./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 969ea7ac1a6cea553b276c54292ec8e81265daf8dd23428f445a60f39343440e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 20:38:09,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 20:38:09,822 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 20:38:09,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 20:38:09,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 20:38:09,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 20:38:09,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 20:38:09,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 20:38:09,848 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 20:38:09,849 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 20:38:09,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 20:38:09,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 20:38:09,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 20:38:09,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 20:38:09,851 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 20:38:09,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 20:38:09,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 20:38:09,854 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 20:38:09,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 20:38:09,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 20:38:09,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 20:38:09,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 20:38:09,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 20:38:09,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 20:38:09,856 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 20:38:09,856 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 20:38:09,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 20:38:09,857 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 20:38:09,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 20:38:09,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 20:38:09,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 20:38:09,858 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 20:38:09,858 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 20:38:09,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 20:38:09,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:38:09,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 20:38:09,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 20:38:09,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 20:38:09,863 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 20:38:09,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 20:38:09,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 20:38:09,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 20:38:09,864 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 20:38:09,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 20:38:09,865 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 969ea7ac1a6cea553b276c54292ec8e81265daf8dd23428f445a60f39343440e [2024-10-11 20:38:10,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 20:38:10,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 20:38:10,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 20:38:10,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 20:38:10,123 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 20:38:10,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2024-10-11 20:38:11,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 20:38:11,724 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 20:38:11,724 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2024-10-11 20:38:11,731 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2d39bdc98/d020d6966fc44792be399f64b7b219ed/FLAGc96f41b29 [2024-10-11 20:38:11,742 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2d39bdc98/d020d6966fc44792be399f64b7b219ed [2024-10-11 20:38:11,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 20:38:11,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 20:38:11,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 20:38:11,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 20:38:11,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 20:38:11,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:38:11" (1/1) ... [2024-10-11 20:38:11,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706f839a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:11, skipping insertion in model container [2024-10-11 20:38:11,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:38:11" (1/1) ... [2024-10-11 20:38:11,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 20:38:12,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:38:12,046 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 20:38:12,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 20:38:12,083 INFO L204 MainTranslator]: Completed translation [2024-10-11 20:38:12,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12 WrapperNode [2024-10-11 20:38:12,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 20:38:12,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 20:38:12,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 20:38:12,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 20:38:12,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12" (1/1) ... [2024-10-11 20:38:12,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12" (1/1) ... [2024-10-11 20:38:12,118 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-10-11 20:38:12,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 20:38:12,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 20:38:12,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 20:38:12,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 20:38:12,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12" (1/1) ... [2024-10-11 20:38:12,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12" (1/1) ... [2024-10-11 20:38:12,131 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12" (1/1) ... [2024-10-11 20:38:12,142 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]. [2024-10-11 20:38:12,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12" (1/1) ... [2024-10-11 20:38:12,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12" (1/1) ... [2024-10-11 20:38:12,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12" (1/1) ... [2024-10-11 20:38:12,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12" (1/1) ... [2024-10-11 20:38:12,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12" (1/1) ... [2024-10-11 20:38:12,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12" (1/1) ... [2024-10-11 20:38:12,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 20:38:12,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 20:38:12,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 20:38:12,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 20:38:12,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12" (1/1) ... [2024-10-11 20:38:12,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 20:38:12,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:12,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 20:38:12,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 20:38:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 20:38:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 20:38:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 20:38:12,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 20:38:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 20:38:12,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 20:38:12,296 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 20:38:12,298 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 20:38:12,587 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-10-11 20:38:12,587 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 20:38:12,612 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 20:38:12,612 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 20:38:12,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:38:12 BoogieIcfgContainer [2024-10-11 20:38:12,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 20:38:12,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 20:38:12,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 20:38:12,619 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 20:38:12,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:38:11" (1/3) ... [2024-10-11 20:38:12,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f89131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:38:12, skipping insertion in model container [2024-10-11 20:38:12,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:38:12" (2/3) ... [2024-10-11 20:38:12,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f89131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:38:12, skipping insertion in model container [2024-10-11 20:38:12,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:38:12" (3/3) ... [2024-10-11 20:38:12,622 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound2.c [2024-10-11 20:38:12,637 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 20:38:12,637 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-10-11 20:38:12,690 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 20:38:12,696 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;@7ffc71a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 20:38:12,696 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-10-11 20:38:12,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 81 states have internal predecessors, (89), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-11 20:38:12,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:38:12,705 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:12,706 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:38:12,706 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:12,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:12,711 INFO L85 PathProgramCache]: Analyzing trace with hash 170085917, now seen corresponding path program 1 times [2024-10-11 20:38:12,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:12,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691627633] [2024-10-11 20:38:12,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:12,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:38:12,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:12,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691627633] [2024-10-11 20:38:12,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691627633] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:12,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:12,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:38:12,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565292363] [2024-10-11 20:38:12,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:12,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 20:38:12,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:12,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 20:38:12,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:38:12,859 INFO L87 Difference]: Start difference. First operand has 90 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 81 states have internal predecessors, (89), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:38:12,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:12,896 INFO L93 Difference]: Finished difference Result 178 states and 210 transitions. [2024-10-11 20:38:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 20:38:12,900 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 20:38:12,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:12,908 INFO L225 Difference]: With dead ends: 178 [2024-10-11 20:38:12,908 INFO L226 Difference]: Without dead ends: 87 [2024-10-11 20:38:12,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 20:38:12,914 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:12,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:38:12,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-10-11 20:38:12,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-10-11 20:38:12,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 46 states have (on average 1.8043478260869565) internal successors, (83), 79 states have internal predecessors, (83), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:38:12,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2024-10-11 20:38:12,949 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 5 [2024-10-11 20:38:12,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:12,950 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2024-10-11 20:38:12,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:38:12,950 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2024-10-11 20:38:12,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 20:38:12,951 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:12,951 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 20:38:12,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 20:38:12,951 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:12,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:12,952 INFO L85 PathProgramCache]: Analyzing trace with hash 170145499, now seen corresponding path program 1 times [2024-10-11 20:38:12,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:12,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513789122] [2024-10-11 20:38:12,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:12,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:38:13,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:13,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513789122] [2024-10-11 20:38:13,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513789122] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:13,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:13,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:38:13,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515868622] [2024-10-11 20:38:13,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:13,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:13,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:13,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:13,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:13,094 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:38:13,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:13,152 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2024-10-11 20:38:13,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:38:13,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 20:38:13,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:13,154 INFO L225 Difference]: With dead ends: 101 [2024-10-11 20:38:13,155 INFO L226 Difference]: Without dead ends: 91 [2024-10-11 20:38:13,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:38:13,156 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 4 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:13,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 264 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:38:13,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-10-11 20:38:13,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-10-11 20:38:13,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 50 states have (on average 1.74) internal successors, (87), 83 states have internal predecessors, (87), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:38:13,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 99 transitions. [2024-10-11 20:38:13,170 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 99 transitions. Word has length 5 [2024-10-11 20:38:13,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:13,171 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 99 transitions. [2024-10-11 20:38:13,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:38:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2024-10-11 20:38:13,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-11 20:38:13,171 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:13,171 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:13,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 20:38:13,172 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:13,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:13,175 INFO L85 PathProgramCache]: Analyzing trace with hash 743199255, now seen corresponding path program 1 times [2024-10-11 20:38:13,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:13,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537548475] [2024-10-11 20:38:13,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:13,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:13,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [777882057] [2024-10-11 20:38:13,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:13,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:13,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:13,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:13,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 20:38:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:13,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:38:13,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:38:13,295 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:13,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:13,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537548475] [2024-10-11 20:38:13,297 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:13,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777882057] [2024-10-11 20:38:13,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777882057] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:13,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:13,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:38:13,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925383459] [2024-10-11 20:38:13,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:13,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:38:13,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:13,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:38:13,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:38:13,302 INFO L87 Difference]: Start difference. First operand 91 states and 99 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:38:13,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:13,429 INFO L93 Difference]: Finished difference Result 114 states and 124 transitions. [2024-10-11 20:38:13,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:38:13,430 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-11 20:38:13,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:13,432 INFO L225 Difference]: With dead ends: 114 [2024-10-11 20:38:13,432 INFO L226 Difference]: Without dead ends: 112 [2024-10-11 20:38:13,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:38:13,433 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 18 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:13,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 164 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:13,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-10-11 20:38:13,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 93. [2024-10-11 20:38:13,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 52 states have (on average 1.7115384615384615) internal successors, (89), 85 states have internal predecessors, (89), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-11 20:38:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 101 transitions. [2024-10-11 20:38:13,445 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 101 transitions. Word has length 8 [2024-10-11 20:38:13,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:13,445 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 101 transitions. [2024-10-11 20:38:13,445 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:38:13,445 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 101 transitions. [2024-10-11 20:38:13,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-11 20:38:13,446 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:13,446 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:13,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:13,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:13,647 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:13,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:13,648 INFO L85 PathProgramCache]: Analyzing trace with hash 148914924, now seen corresponding path program 1 times [2024-10-11 20:38:13,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:13,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549019241] [2024-10-11 20:38:13,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:13,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:13,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1399955683] [2024-10-11 20:38:13,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:13,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:13,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:13,674 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:13,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 20:38:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:13,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 20:38:13,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:38:13,744 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:13,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:13,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549019241] [2024-10-11 20:38:13,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:13,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399955683] [2024-10-11 20:38:13,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399955683] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:13,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:13,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:38:13,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401669461] [2024-10-11 20:38:13,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:13,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:38:13,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:13,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:38:13,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:38:13,751 INFO L87 Difference]: Start difference. First operand 93 states and 101 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:38:13,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:13,887 INFO L93 Difference]: Finished difference Result 155 states and 179 transitions. [2024-10-11 20:38:13,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:38:13,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-10-11 20:38:13,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:13,889 INFO L225 Difference]: With dead ends: 155 [2024-10-11 20:38:13,891 INFO L226 Difference]: Without dead ends: 149 [2024-10-11 20:38:13,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:38:13,892 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 51 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:13,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 139 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:13,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-11 20:38:13,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 127. [2024-10-11 20:38:13,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 80 states have (on average 1.725) internal successors, (138), 113 states have internal predecessors, (138), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:38:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 162 transitions. [2024-10-11 20:38:13,907 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 162 transitions. Word has length 15 [2024-10-11 20:38:13,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:13,908 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 162 transitions. [2024-10-11 20:38:13,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:38:13,908 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 162 transitions. [2024-10-11 20:38:13,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 20:38:13,909 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:13,909 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:13,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 20:38:14,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:14,111 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:14,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:14,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1373323182, now seen corresponding path program 1 times [2024-10-11 20:38:14,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:14,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084833185] [2024-10-11 20:38:14,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:14,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:14,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [273011615] [2024-10-11 20:38:14,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:14,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:14,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:14,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:14,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 20:38:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:14,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:38:14,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:14,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:38:14,273 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:14,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:14,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084833185] [2024-10-11 20:38:14,273 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:14,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273011615] [2024-10-11 20:38:14,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273011615] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:14,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:14,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:14,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56118341] [2024-10-11 20:38:14,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:14,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:14,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:14,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:14,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:14,276 INFO L87 Difference]: Start difference. First operand 127 states and 162 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:38:14,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:14,419 INFO L93 Difference]: Finished difference Result 148 states and 169 transitions. [2024-10-11 20:38:14,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:38:14,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-10-11 20:38:14,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:14,421 INFO L225 Difference]: With dead ends: 148 [2024-10-11 20:38:14,421 INFO L226 Difference]: Without dead ends: 145 [2024-10-11 20:38:14,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:38:14,423 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 182 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:14,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 138 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:14,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-11 20:38:14,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 128. [2024-10-11 20:38:14,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 81 states have (on average 1.691358024691358) internal successors, (137), 114 states have internal predecessors, (137), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:38:14,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 161 transitions. [2024-10-11 20:38:14,433 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 161 transitions. Word has length 17 [2024-10-11 20:38:14,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:14,434 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 161 transitions. [2024-10-11 20:38:14,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:38:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 161 transitions. [2024-10-11 20:38:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-11 20:38:14,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:14,434 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:14,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:14,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:14,639 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:14,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:14,640 INFO L85 PathProgramCache]: Analyzing trace with hash -376654252, now seen corresponding path program 1 times [2024-10-11 20:38:14,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:14,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403476379] [2024-10-11 20:38:14,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:14,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:14,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [716689983] [2024-10-11 20:38:14,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:14,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:14,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:14,661 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:14,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 20:38:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:14,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 20:38:14,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:14,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 20:38:14,783 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:14,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:14,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403476379] [2024-10-11 20:38:14,787 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:14,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716689983] [2024-10-11 20:38:14,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716689983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:14,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:14,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:14,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915868509] [2024-10-11 20:38:14,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:14,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:14,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:14,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:14,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:14,789 INFO L87 Difference]: Start difference. First operand 128 states and 161 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:38:14,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:14,939 INFO L93 Difference]: Finished difference Result 148 states and 166 transitions. [2024-10-11 20:38:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:38:14,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-10-11 20:38:14,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:14,941 INFO L225 Difference]: With dead ends: 148 [2024-10-11 20:38:14,941 INFO L226 Difference]: Without dead ends: 141 [2024-10-11 20:38:14,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:38:14,942 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 178 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:14,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 141 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:14,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-11 20:38:14,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 125. [2024-10-11 20:38:14,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 78 states have (on average 1.6794871794871795) internal successors, (131), 111 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:38:14,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 155 transitions. [2024-10-11 20:38:14,956 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 155 transitions. Word has length 18 [2024-10-11 20:38:14,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:14,956 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 155 transitions. [2024-10-11 20:38:14,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 20:38:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 155 transitions. [2024-10-11 20:38:14,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 20:38:14,957 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:14,958 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] [2024-10-11 20:38:14,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 20:38:15,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-11 20:38:15,162 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:15,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:15,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1488714648, now seen corresponding path program 1 times [2024-10-11 20:38:15,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:15,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705248099] [2024-10-11 20:38:15,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:15,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:15,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:15,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:15,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:38:15,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:15,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705248099] [2024-10-11 20:38:15,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705248099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:15,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:15,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:38:15,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189373556] [2024-10-11 20:38:15,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:15,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:38:15,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:15,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:38:15,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:38:15,337 INFO L87 Difference]: Start difference. First operand 125 states and 155 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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) [2024-10-11 20:38:15,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:15,433 INFO L93 Difference]: Finished difference Result 156 states and 171 transitions. [2024-10-11 20:38:15,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:38:15,434 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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 26 [2024-10-11 20:38:15,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:15,435 INFO L225 Difference]: With dead ends: 156 [2024-10-11 20:38:15,435 INFO L226 Difference]: Without dead ends: 155 [2024-10-11 20:38:15,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:38:15,436 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 64 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:15,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 460 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:15,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-11 20:38:15,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 129. [2024-10-11 20:38:15,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 81 states have (on average 1.6419753086419753) internal successors, (133), 114 states have internal predecessors, (133), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:38:15,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 157 transitions. [2024-10-11 20:38:15,446 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 157 transitions. Word has length 26 [2024-10-11 20:38:15,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:15,446 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 157 transitions. [2024-10-11 20:38:15,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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) [2024-10-11 20:38:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 157 transitions. [2024-10-11 20:38:15,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-11 20:38:15,447 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:15,448 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] [2024-10-11 20:38:15,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 20:38:15,448 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:15,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:15,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1094486249, now seen corresponding path program 1 times [2024-10-11 20:38:15,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:15,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633457483] [2024-10-11 20:38:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:15,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:15,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:15,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:15,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:38:15,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:15,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633457483] [2024-10-11 20:38:15,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633457483] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:15,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:15,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:38:15,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512959287] [2024-10-11 20:38:15,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:15,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:38:15,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:15,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:38:15,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:38:15,568 INFO L87 Difference]: Start difference. First operand 129 states and 157 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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) [2024-10-11 20:38:15,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:15,646 INFO L93 Difference]: Finished difference Result 221 states and 258 transitions. [2024-10-11 20:38:15,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:38:15,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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 27 [2024-10-11 20:38:15,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:15,650 INFO L225 Difference]: With dead ends: 221 [2024-10-11 20:38:15,650 INFO L226 Difference]: Without dead ends: 137 [2024-10-11 20:38:15,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:38:15,652 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 11 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:15,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 420 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:15,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-10-11 20:38:15,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-10-11 20:38:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 88 states have (on average 1.5909090909090908) internal successors, (140), 121 states have internal predecessors, (140), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-11 20:38:15,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 164 transitions. [2024-10-11 20:38:15,662 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 164 transitions. Word has length 27 [2024-10-11 20:38:15,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:15,662 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 164 transitions. [2024-10-11 20:38:15,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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) [2024-10-11 20:38:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 164 transitions. [2024-10-11 20:38:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 20:38:15,663 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:15,663 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] [2024-10-11 20:38:15,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 20:38:15,664 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:15,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:15,664 INFO L85 PathProgramCache]: Analyzing trace with hash -465699477, now seen corresponding path program 1 times [2024-10-11 20:38:15,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:15,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549551428] [2024-10-11 20:38:15,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:15,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:15,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [408778342] [2024-10-11 20:38:15,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:15,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:15,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:15,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:15,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 20:38:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:15,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:38:15,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:15,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:38:15,775 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:15,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:15,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549551428] [2024-10-11 20:38:15,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:15,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408778342] [2024-10-11 20:38:15,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408778342] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:15,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:15,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:15,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119632835] [2024-10-11 20:38:15,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:15,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:15,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:15,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:15,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:15,777 INFO L87 Difference]: Start difference. First operand 137 states and 164 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-11 20:38:16,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:16,009 INFO L93 Difference]: Finished difference Result 213 states and 283 transitions. [2024-10-11 20:38:16,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:38:16,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 29 [2024-10-11 20:38:16,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:16,011 INFO L225 Difference]: With dead ends: 213 [2024-10-11 20:38:16,011 INFO L226 Difference]: Without dead ends: 208 [2024-10-11 20:38:16,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:16,012 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 123 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:16,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 97 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:38:16,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-11 20:38:16,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 188. [2024-10-11 20:38:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 131 states have (on average 1.6106870229007633) internal successors, (211), 164 states have internal predecessors, (211), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:38:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 251 transitions. [2024-10-11 20:38:16,026 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 251 transitions. Word has length 29 [2024-10-11 20:38:16,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:16,027 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 251 transitions. [2024-10-11 20:38:16,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-11 20:38:16,027 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 251 transitions. [2024-10-11 20:38:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 20:38:16,028 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:16,028 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] [2024-10-11 20:38:16,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 20:38:16,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:16,229 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:16,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:16,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1551781809, now seen corresponding path program 1 times [2024-10-11 20:38:16,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:16,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825337140] [2024-10-11 20:38:16,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:16,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:16,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1818179855] [2024-10-11 20:38:16,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:16,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:16,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:16,245 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:16,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 20:38:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:16,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:38:16,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:16,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 20:38:16,367 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:16,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:16,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825337140] [2024-10-11 20:38:16,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:16,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818179855] [2024-10-11 20:38:16,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818179855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:16,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:16,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:16,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600297857] [2024-10-11 20:38:16,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:16,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:16,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:16,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:16,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:16,373 INFO L87 Difference]: Start difference. First operand 188 states and 251 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (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) [2024-10-11 20:38:16,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:16,504 INFO L93 Difference]: Finished difference Result 211 states and 274 transitions. [2024-10-11 20:38:16,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:38:16,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (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 30 [2024-10-11 20:38:16,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:16,506 INFO L225 Difference]: With dead ends: 211 [2024-10-11 20:38:16,506 INFO L226 Difference]: Without dead ends: 208 [2024-10-11 20:38:16,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:16,507 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 91 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:16,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 108 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:16,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-11 20:38:16,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 189. [2024-10-11 20:38:16,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 132 states have (on average 1.5757575757575757) internal successors, (208), 165 states have internal predecessors, (208), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:38:16,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 248 transitions. [2024-10-11 20:38:16,520 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 248 transitions. Word has length 30 [2024-10-11 20:38:16,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:16,521 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 248 transitions. [2024-10-11 20:38:16,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (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) [2024-10-11 20:38:16,521 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 248 transitions. [2024-10-11 20:38:16,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-11 20:38:16,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:16,522 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:16,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 20:38:16,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 20:38:16,723 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:16,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:16,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1006062636, now seen corresponding path program 1 times [2024-10-11 20:38:16,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:16,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923611988] [2024-10-11 20:38:16,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:16,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:16,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:16,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:16,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:16,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:16,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:16,835 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:16,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:16,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923611988] [2024-10-11 20:38:16,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923611988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:16,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:16,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:16,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827686018] [2024-10-11 20:38:16,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:16,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:16,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:16,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:16,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:16,841 INFO L87 Difference]: Start difference. First operand 189 states and 248 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-10-11 20:38:17,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:17,288 INFO L93 Difference]: Finished difference Result 226 states and 277 transitions. [2024-10-11 20:38:17,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:38:17,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 50 [2024-10-11 20:38:17,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:17,290 INFO L225 Difference]: With dead ends: 226 [2024-10-11 20:38:17,290 INFO L226 Difference]: Without dead ends: 224 [2024-10-11 20:38:17,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:38:17,291 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 139 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:17,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 90 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 20:38:17,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-11 20:38:17,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 191. [2024-10-11 20:38:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 134 states have (on average 1.5522388059701493) internal successors, (208), 167 states have internal predecessors, (208), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:38:17,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 248 transitions. [2024-10-11 20:38:17,304 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 248 transitions. Word has length 50 [2024-10-11 20:38:17,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:17,304 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 248 transitions. [2024-10-11 20:38:17,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-10-11 20:38:17,304 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 248 transitions. [2024-10-11 20:38:17,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 20:38:17,305 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:17,306 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:17,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 20:38:17,306 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:17,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:17,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1123170539, now seen corresponding path program 1 times [2024-10-11 20:38:17,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:17,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208514939] [2024-10-11 20:38:17,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:17,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:17,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:17,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208514939] [2024-10-11 20:38:17,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208514939] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:17,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:17,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:17,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609931566] [2024-10-11 20:38:17,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:17,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:17,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:17,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:17,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:17,367 INFO L87 Difference]: Start difference. First operand 191 states and 248 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-10-11 20:38:17,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:17,512 INFO L93 Difference]: Finished difference Result 226 states and 273 transitions. [2024-10-11 20:38:17,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:38:17,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 51 [2024-10-11 20:38:17,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:17,515 INFO L225 Difference]: With dead ends: 226 [2024-10-11 20:38:17,515 INFO L226 Difference]: Without dead ends: 224 [2024-10-11 20:38:17,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:38:17,516 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 136 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:17,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 92 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:17,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-11 20:38:17,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 193. [2024-10-11 20:38:17,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 136 states have (on average 1.5294117647058822) internal successors, (208), 169 states have internal predecessors, (208), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:38:17,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 248 transitions. [2024-10-11 20:38:17,530 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 248 transitions. Word has length 51 [2024-10-11 20:38:17,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:17,531 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 248 transitions. [2024-10-11 20:38:17,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-10-11 20:38:17,545 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 248 transitions. [2024-10-11 20:38:17,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 20:38:17,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:17,546 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:17,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 20:38:17,547 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:17,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:17,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1330093161, now seen corresponding path program 1 times [2024-10-11 20:38:17,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:17,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655454550] [2024-10-11 20:38:17,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:17,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:17,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:17,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655454550] [2024-10-11 20:38:17,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655454550] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:17,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:17,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:17,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247752129] [2024-10-11 20:38:17,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:17,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:17,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:17,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:17,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:17,670 INFO L87 Difference]: Start difference. First operand 193 states and 248 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:38:17,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:17,741 INFO L93 Difference]: Finished difference Result 193 states and 248 transitions. [2024-10-11 20:38:17,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:38:17,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2024-10-11 20:38:17,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:17,743 INFO L225 Difference]: With dead ends: 193 [2024-10-11 20:38:17,743 INFO L226 Difference]: Without dead ends: 192 [2024-10-11 20:38:17,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:17,743 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 33 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:17,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 70 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:17,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-10-11 20:38:17,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2024-10-11 20:38:17,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 136 states have (on average 1.5) internal successors, (204), 168 states have internal predecessors, (204), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:38:17,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 244 transitions. [2024-10-11 20:38:17,759 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 244 transitions. Word has length 53 [2024-10-11 20:38:17,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:17,760 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 244 transitions. [2024-10-11 20:38:17,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:38:17,760 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 244 transitions. [2024-10-11 20:38:17,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-11 20:38:17,762 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:17,762 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:17,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 20:38:17,763 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:17,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:17,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1330093203, now seen corresponding path program 1 times [2024-10-11 20:38:17,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:17,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981253595] [2024-10-11 20:38:17,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:17,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,832 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:17,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:17,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981253595] [2024-10-11 20:38:17,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981253595] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:17,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:17,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 20:38:17,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614491880] [2024-10-11 20:38:17,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:17,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 20:38:17,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:17,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 20:38:17,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:38:17,837 INFO L87 Difference]: Start difference. First operand 192 states and 244 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-11 20:38:17,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:17,887 INFO L93 Difference]: Finished difference Result 198 states and 244 transitions. [2024-10-11 20:38:17,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 20:38:17,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 53 [2024-10-11 20:38:17,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:17,889 INFO L225 Difference]: With dead ends: 198 [2024-10-11 20:38:17,890 INFO L226 Difference]: Without dead ends: 197 [2024-10-11 20:38:17,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 20:38:17,891 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 15 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:17,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 147 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:38:17,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-10-11 20:38:17,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 192. [2024-10-11 20:38:17,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 136 states have (on average 1.4926470588235294) internal successors, (203), 168 states have internal predecessors, (203), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-11 20:38:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 243 transitions. [2024-10-11 20:38:17,902 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 243 transitions. Word has length 53 [2024-10-11 20:38:17,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:17,903 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 243 transitions. [2024-10-11 20:38:17,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-11 20:38:17,903 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 243 transitions. [2024-10-11 20:38:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-11 20:38:17,904 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:17,904 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:17,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 20:38:17,905 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:17,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:17,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1716785083, now seen corresponding path program 1 times [2024-10-11 20:38:17,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:17,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675562018] [2024-10-11 20:38:17,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:17,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:17,997 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:17,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:17,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675562018] [2024-10-11 20:38:17,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675562018] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:18,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:18,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:38:18,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119538048] [2024-10-11 20:38:18,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:18,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:38:18,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:18,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:38:18,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:38:18,002 INFO L87 Difference]: Start difference. First operand 192 states and 243 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-10-11 20:38:18,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:18,416 INFO L93 Difference]: Finished difference Result 266 states and 335 transitions. [2024-10-11 20:38:18,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:38:18,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 54 [2024-10-11 20:38:18,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:18,418 INFO L225 Difference]: With dead ends: 266 [2024-10-11 20:38:18,418 INFO L226 Difference]: Without dead ends: 265 [2024-10-11 20:38:18,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:38:18,419 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 321 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:18,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 286 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:38:18,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-10-11 20:38:18,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 227. [2024-10-11 20:38:18,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 166 states have (on average 1.5) internal successors, (249), 198 states have internal predecessors, (249), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-11 20:38:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 299 transitions. [2024-10-11 20:38:18,442 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 299 transitions. Word has length 54 [2024-10-11 20:38:18,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:18,443 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 299 transitions. [2024-10-11 20:38:18,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-10-11 20:38:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 299 transitions. [2024-10-11 20:38:18,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-11 20:38:18,445 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:18,445 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:18,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 20:38:18,446 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:18,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:18,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1716783801, now seen corresponding path program 1 times [2024-10-11 20:38:18,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:18,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160275431] [2024-10-11 20:38:18,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:18,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:18,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:18,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:18,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:18,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:18,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:18,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:18,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160275431] [2024-10-11 20:38:18,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160275431] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:18,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:18,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:38:18,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487688172] [2024-10-11 20:38:18,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:18,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:38:18,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:18,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:38:18,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:38:18,534 INFO L87 Difference]: Start difference. First operand 227 states and 299 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:38:18,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:18,642 INFO L93 Difference]: Finished difference Result 375 states and 509 transitions. [2024-10-11 20:38:18,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:38:18,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2024-10-11 20:38:18,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:18,645 INFO L225 Difference]: With dead ends: 375 [2024-10-11 20:38:18,645 INFO L226 Difference]: Without dead ends: 374 [2024-10-11 20:38:18,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:38:18,646 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 198 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:18,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 218 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:18,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-11 20:38:18,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 339. [2024-10-11 20:38:18,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 263 states have (on average 1.5551330798479088) internal successors, (409), 295 states have internal predecessors, (409), 40 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 20:38:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 489 transitions. [2024-10-11 20:38:18,670 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 489 transitions. Word has length 54 [2024-10-11 20:38:18,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:18,670 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 489 transitions. [2024-10-11 20:38:18,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-11 20:38:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 489 transitions. [2024-10-11 20:38:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-11 20:38:18,671 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:18,671 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:18,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 20:38:18,672 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:18,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:18,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1680690415, now seen corresponding path program 1 times [2024-10-11 20:38:18,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:18,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991381664] [2024-10-11 20:38:18,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:18,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:18,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:18,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:18,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:18,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:18,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:18,740 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:18,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:18,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991381664] [2024-10-11 20:38:18,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991381664] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:18,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:18,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:18,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136444279] [2024-10-11 20:38:18,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:18,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:18,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:18,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:18,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:18,742 INFO L87 Difference]: Start difference. First operand 339 states and 489 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (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) [2024-10-11 20:38:18,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:18,977 INFO L93 Difference]: Finished difference Result 366 states and 510 transitions. [2024-10-11 20:38:18,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:38:18,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (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 55 [2024-10-11 20:38:18,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:18,980 INFO L225 Difference]: With dead ends: 366 [2024-10-11 20:38:18,980 INFO L226 Difference]: Without dead ends: 364 [2024-10-11 20:38:18,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:18,981 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 54 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:18,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 166 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:38:18,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-11 20:38:19,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 343. [2024-10-11 20:38:19,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 267 states have (on average 1.546816479400749) internal successors, (413), 299 states have internal predecessors, (413), 40 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 20:38:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 493 transitions. [2024-10-11 20:38:19,005 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 493 transitions. Word has length 55 [2024-10-11 20:38:19,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:19,005 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 493 transitions. [2024-10-11 20:38:19,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (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) [2024-10-11 20:38:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 493 transitions. [2024-10-11 20:38:19,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-11 20:38:19,006 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:19,007 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 20:38:19,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 20:38:19,007 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:19,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:19,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1280449475, now seen corresponding path program 1 times [2024-10-11 20:38:19,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:19,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685421732] [2024-10-11 20:38:19,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:19,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:19,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:19,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685421732] [2024-10-11 20:38:19,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685421732] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:19,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951299658] [2024-10-11 20:38:19,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:19,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:19,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:19,137 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:19,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 20:38:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:38:19,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:38:19,308 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:19,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951299658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:19,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:19,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-10-11 20:38:19,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429574472] [2024-10-11 20:38:19,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:19,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:38:19,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:19,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:38:19,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:38:19,310 INFO L87 Difference]: Start difference. First operand 343 states and 493 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:38:19,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:19,379 INFO L93 Difference]: Finished difference Result 343 states and 493 transitions. [2024-10-11 20:38:19,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:38:19,379 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2024-10-11 20:38:19,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:19,381 INFO L225 Difference]: With dead ends: 343 [2024-10-11 20:38:19,381 INFO L226 Difference]: Without dead ends: 341 [2024-10-11 20:38:19,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-10-11 20:38:19,382 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 121 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:19,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 316 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:38:19,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-10-11 20:38:19,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2024-10-11 20:38:19,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 267 states have (on average 1.5018726591760299) internal successors, (401), 297 states have internal predecessors, (401), 40 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 20:38:19,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 481 transitions. [2024-10-11 20:38:19,410 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 481 transitions. Word has length 58 [2024-10-11 20:38:19,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:19,410 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 481 transitions. [2024-10-11 20:38:19,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 20:38:19,410 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 481 transitions. [2024-10-11 20:38:19,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 20:38:19,411 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:19,411 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 20:38:19,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 20:38:19,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 20:38:19,612 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:19,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:19,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1039228013, now seen corresponding path program 1 times [2024-10-11 20:38:19,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:19,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140572747] [2024-10-11 20:38:19,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:19,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:19,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:19,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140572747] [2024-10-11 20:38:19,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140572747] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:19,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949299864] [2024-10-11 20:38:19,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:19,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:19,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:19,725 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:19,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 20:38:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:19,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:38:19,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-11 20:38:19,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:20,022 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:20,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949299864] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:20,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-11 20:38:20,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 6] total 17 [2024-10-11 20:38:20,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090224903] [2024-10-11 20:38:20,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:20,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:38:20,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:20,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:38:20,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-10-11 20:38:20,027 INFO L87 Difference]: Start difference. First operand 341 states and 481 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 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) [2024-10-11 20:38:20,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:20,174 INFO L93 Difference]: Finished difference Result 380 states and 509 transitions. [2024-10-11 20:38:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:38:20,175 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 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 59 [2024-10-11 20:38:20,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:20,177 INFO L225 Difference]: With dead ends: 380 [2024-10-11 20:38:20,177 INFO L226 Difference]: Without dead ends: 378 [2024-10-11 20:38:20,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2024-10-11 20:38:20,178 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 61 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:20,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 447 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:20,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-11 20:38:20,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 353. [2024-10-11 20:38:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 276 states have (on average 1.4565217391304348) internal successors, (402), 306 states have internal predecessors, (402), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 20:38:20,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 482 transitions. [2024-10-11 20:38:20,198 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 482 transitions. Word has length 59 [2024-10-11 20:38:20,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:20,198 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 482 transitions. [2024-10-11 20:38:20,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 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) [2024-10-11 20:38:20,198 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 482 transitions. [2024-10-11 20:38:20,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-11 20:38:20,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:20,199 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 20:38:20,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-11 20:38:20,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:20,400 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:20,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:20,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2029261199, now seen corresponding path program 1 times [2024-10-11 20:38:20,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:20,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290654250] [2024-10-11 20:38:20,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:20,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:20,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1735246358] [2024-10-11 20:38:20,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:20,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:20,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:20,414 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:20,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 20:38:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:20,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:38:20,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:20,751 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:20,751 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:20,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:20,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290654250] [2024-10-11 20:38:20,751 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:20,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735246358] [2024-10-11 20:38:20,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735246358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:20,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:20,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 20:38:20,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998229561] [2024-10-11 20:38:20,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:20,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:38:20,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:20,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:38:20,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 20:38:20,753 INFO L87 Difference]: Start difference. First operand 353 states and 482 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-10-11 20:38:21,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:21,150 INFO L93 Difference]: Finished difference Result 546 states and 756 transitions. [2024-10-11 20:38:21,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:38:21,150 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 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 61 [2024-10-11 20:38:21,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:21,153 INFO L225 Difference]: With dead ends: 546 [2024-10-11 20:38:21,153 INFO L226 Difference]: Without dead ends: 537 [2024-10-11 20:38:21,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:38:21,154 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 296 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:21,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 188 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:38:21,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-10-11 20:38:21,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 508. [2024-10-11 20:38:21,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 411 states have (on average 1.4282238442822384) internal successors, (587), 441 states have internal predecessors, (587), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-11 20:38:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 707 transitions. [2024-10-11 20:38:21,189 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 707 transitions. Word has length 61 [2024-10-11 20:38:21,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:21,190 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 707 transitions. [2024-10-11 20:38:21,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 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) [2024-10-11 20:38:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 707 transitions. [2024-10-11 20:38:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 20:38:21,191 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:21,192 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 20:38:21,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:21,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:21,392 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:21,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:21,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1517412126, now seen corresponding path program 1 times [2024-10-11 20:38:21,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:21,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506357133] [2024-10-11 20:38:21,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:21,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:21,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [685782618] [2024-10-11 20:38:21,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:21,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:21,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:21,421 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:21,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 20:38:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:21,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:38:21,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:21,762 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:21,762 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:22,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:22,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506357133] [2024-10-11 20:38:22,536 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:22,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685782618] [2024-10-11 20:38:22,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685782618] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:22,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:22,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 20:38:22,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010226976] [2024-10-11 20:38:22,537 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:22,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:38:22,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:22,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:38:22,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 20:38:22,538 INFO L87 Difference]: Start difference. First operand 508 states and 707 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 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) [2024-10-11 20:38:22,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:22,847 INFO L93 Difference]: Finished difference Result 619 states and 848 transitions. [2024-10-11 20:38:22,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:38:22,847 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 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 62 [2024-10-11 20:38:22,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:22,850 INFO L225 Difference]: With dead ends: 619 [2024-10-11 20:38:22,850 INFO L226 Difference]: Without dead ends: 616 [2024-10-11 20:38:22,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:38:22,852 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 200 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:22,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 236 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:38:22,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-10-11 20:38:22,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 573. [2024-10-11 20:38:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 466 states have (on average 1.4206008583690988) internal successors, (662), 496 states have internal predecessors, (662), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-11 20:38:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 802 transitions. [2024-10-11 20:38:22,888 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 802 transitions. Word has length 62 [2024-10-11 20:38:22,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:22,889 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 802 transitions. [2024-10-11 20:38:22,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 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) [2024-10-11 20:38:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 802 transitions. [2024-10-11 20:38:22,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 20:38:22,890 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:22,890 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 20:38:22,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 20:38:23,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-11 20:38:23,094 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:23,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:23,095 INFO L85 PathProgramCache]: Analyzing trace with hash 204864497, now seen corresponding path program 1 times [2024-10-11 20:38:23,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:23,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105574533] [2024-10-11 20:38:23,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:23,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:23,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:23,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:23,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:23,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:23,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:23,189 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:23,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:23,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105574533] [2024-10-11 20:38:23,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105574533] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:23,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:23,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 20:38:23,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771493842] [2024-10-11 20:38:23,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:23,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:38:23,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:23,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:38:23,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:38:23,191 INFO L87 Difference]: Start difference. First operand 573 states and 802 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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) [2024-10-11 20:38:24,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:24,276 INFO L93 Difference]: Finished difference Result 848 states and 1207 transitions. [2024-10-11 20:38:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:38:24,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 63 [2024-10-11 20:38:24,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:24,281 INFO L225 Difference]: With dead ends: 848 [2024-10-11 20:38:24,281 INFO L226 Difference]: Without dead ends: 845 [2024-10-11 20:38:24,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:38:24,282 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 149 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:24,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 236 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 20:38:24,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2024-10-11 20:38:24,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 592. [2024-10-11 20:38:24,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 482 states have (on average 1.4024896265560165) internal successors, (676), 511 states have internal predecessors, (676), 74 states have call successors, (74), 6 states have call predecessors, (74), 6 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 20:38:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 824 transitions. [2024-10-11 20:38:24,325 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 824 transitions. Word has length 63 [2024-10-11 20:38:24,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:24,326 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 824 transitions. [2024-10-11 20:38:24,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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) [2024-10-11 20:38:24,326 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 824 transitions. [2024-10-11 20:38:24,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 20:38:24,327 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:24,327 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-10-11 20:38:24,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 20:38:24,327 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:24,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:24,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2055832260, now seen corresponding path program 1 times [2024-10-11 20:38:24,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:24,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255552049] [2024-10-11 20:38:24,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:24,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:24,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1042114033] [2024-10-11 20:38:24,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:24,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:24,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:24,343 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:24,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 20:38:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:24,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 20:38:24,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:24,644 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-11 20:38:24,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:32,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:32,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255552049] [2024-10-11 20:38:32,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:32,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042114033] [2024-10-11 20:38:32,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042114033] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:32,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:32,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-11 20:38:32,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567910369] [2024-10-11 20:38:32,904 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:32,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 20:38:32,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:32,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 20:38:32,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=81, Unknown=2, NotChecked=0, Total=110 [2024-10-11 20:38:32,905 INFO L87 Difference]: Start difference. First operand 592 states and 824 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2024-10-11 20:38:33,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:33,514 INFO L93 Difference]: Finished difference Result 626 states and 845 transitions. [2024-10-11 20:38:33,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 20:38:33,514 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-10-11 20:38:33,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:33,517 INFO L225 Difference]: With dead ends: 626 [2024-10-11 20:38:33,517 INFO L226 Difference]: Without dead ends: 619 [2024-10-11 20:38:33,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=52, Invalid=156, Unknown=2, NotChecked=0, Total=210 [2024-10-11 20:38:33,519 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 286 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:33,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 247 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 20:38:33,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-10-11 20:38:33,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 590. [2024-10-11 20:38:33,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 480 states have (on average 1.39375) internal successors, (669), 509 states have internal predecessors, (669), 74 states have call successors, (74), 6 states have call predecessors, (74), 6 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-11 20:38:33,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 817 transitions. [2024-10-11 20:38:33,558 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 817 transitions. Word has length 64 [2024-10-11 20:38:33,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:33,558 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 817 transitions. [2024-10-11 20:38:33,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2024-10-11 20:38:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 817 transitions. [2024-10-11 20:38:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-11 20:38:33,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:33,559 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-11 20:38:33,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-11 20:38:33,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-11 20:38:33,760 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:33,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:33,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1160481470, now seen corresponding path program 1 times [2024-10-11 20:38:33,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:33,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125396085] [2024-10-11 20:38:33,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:33,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:33,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:33,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:33,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:33,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:33,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:33,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 20:38:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:33,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:33,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125396085] [2024-10-11 20:38:33,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125396085] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:33,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255765861] [2024-10-11 20:38:33,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:33,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:33,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:33,886 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:33,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 20:38:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:33,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:38:33,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:34,051 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 20:38:34,051 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:34,167 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:34,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255765861] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:38:34,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:38:34,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 16 [2024-10-11 20:38:34,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028491558] [2024-10-11 20:38:34,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:34,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 20:38:34,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:34,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 20:38:34,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:38:34,170 INFO L87 Difference]: Start difference. First operand 590 states and 817 transitions. Second operand has 17 states, 16 states have (on average 7.25) internal successors, (116), 17 states have internal predecessors, (116), 5 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-10-11 20:38:34,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:34,534 INFO L93 Difference]: Finished difference Result 1086 states and 1522 transitions. [2024-10-11 20:38:34,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-11 20:38:34,535 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 7.25) internal successors, (116), 17 states have internal predecessors, (116), 5 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 68 [2024-10-11 20:38:34,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:34,539 INFO L225 Difference]: With dead ends: 1086 [2024-10-11 20:38:34,540 INFO L226 Difference]: Without dead ends: 1085 [2024-10-11 20:38:34,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=237, Invalid=693, Unknown=0, NotChecked=0, Total=930 [2024-10-11 20:38:34,541 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 262 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:34,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 812 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:38:34,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2024-10-11 20:38:34,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 953. [2024-10-11 20:38:34,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 786 states have (on average 1.4414758269720103) internal successors, (1133), 815 states have internal predecessors, (1133), 126 states have call successors, (126), 11 states have call predecessors, (126), 11 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-10-11 20:38:34,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1385 transitions. [2024-10-11 20:38:34,618 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1385 transitions. Word has length 68 [2024-10-11 20:38:34,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:34,619 INFO L471 AbstractCegarLoop]: Abstraction has 953 states and 1385 transitions. [2024-10-11 20:38:34,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 7.25) internal successors, (116), 17 states have internal predecessors, (116), 5 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-10-11 20:38:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1385 transitions. [2024-10-11 20:38:34,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-11 20:38:34,620 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:34,620 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-11 20:38:34,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 20:38:34,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 20:38:34,821 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:34,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:34,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1468807026, now seen corresponding path program 1 times [2024-10-11 20:38:34,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:34,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144291475] [2024-10-11 20:38:34,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:34,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:34,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:34,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:34,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:34,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:34,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:34,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 20:38:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:34,905 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:34,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:34,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144291475] [2024-10-11 20:38:34,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144291475] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:34,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:34,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 20:38:34,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072738596] [2024-10-11 20:38:34,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:34,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 20:38:34,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:34,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 20:38:34,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 20:38:34,907 INFO L87 Difference]: Start difference. First operand 953 states and 1385 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:38:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:35,013 INFO L93 Difference]: Finished difference Result 953 states and 1385 transitions. [2024-10-11 20:38:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 20:38:35,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 70 [2024-10-11 20:38:35,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:35,018 INFO L225 Difference]: With dead ends: 953 [2024-10-11 20:38:35,018 INFO L226 Difference]: Without dead ends: 952 [2024-10-11 20:38:35,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:38:35,020 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 34 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:35,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 155 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:38:35,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2024-10-11 20:38:35,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 952. [2024-10-11 20:38:35,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 786 states have (on average 1.436386768447837) internal successors, (1129), 814 states have internal predecessors, (1129), 126 states have call successors, (126), 11 states have call predecessors, (126), 11 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-10-11 20:38:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1381 transitions. [2024-10-11 20:38:35,091 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1381 transitions. Word has length 70 [2024-10-11 20:38:35,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:35,092 INFO L471 AbstractCegarLoop]: Abstraction has 952 states and 1381 transitions. [2024-10-11 20:38:35,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:38:35,093 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1381 transitions. [2024-10-11 20:38:35,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-11 20:38:35,093 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:35,093 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-11 20:38:35,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-11 20:38:35,094 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:35,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:35,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1468807044, now seen corresponding path program 1 times [2024-10-11 20:38:35,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:35,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093906894] [2024-10-11 20:38:35,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:35,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 20:38:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:35,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:35,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093906894] [2024-10-11 20:38:35,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093906894] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:35,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628628007] [2024-10-11 20:38:35,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:35,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:35,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:35,218 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:35,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 20:38:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:38:35,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:35,362 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 20:38:35,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:35,466 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:35,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628628007] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:38:35,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:38:35,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 11 [2024-10-11 20:38:35,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79132421] [2024-10-11 20:38:35,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:35,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:38:35,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:35,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:38:35,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:38:35,469 INFO L87 Difference]: Start difference. First operand 952 states and 1381 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 20:38:35,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:35,613 INFO L93 Difference]: Finished difference Result 1117 states and 1590 transitions. [2024-10-11 20:38:35,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 20:38:35,613 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 70 [2024-10-11 20:38:35,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:35,617 INFO L225 Difference]: With dead ends: 1117 [2024-10-11 20:38:35,617 INFO L226 Difference]: Without dead ends: 335 [2024-10-11 20:38:35,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 144 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-10-11 20:38:35,622 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 57 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:35,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 422 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:35,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-10-11 20:38:35,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 296. [2024-10-11 20:38:35,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 241 states have (on average 1.2780082987551866) internal successors, (308), 259 states have internal predecessors, (308), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 20:38:35,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 374 transitions. [2024-10-11 20:38:35,645 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 374 transitions. Word has length 70 [2024-10-11 20:38:35,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:35,645 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 374 transitions. [2024-10-11 20:38:35,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-11 20:38:35,645 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 374 transitions. [2024-10-11 20:38:35,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 20:38:35,646 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:35,646 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-11 20:38:35,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 20:38:35,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:35,847 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:35,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:35,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1711622316, now seen corresponding path program 1 times [2024-10-11 20:38:35,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:35,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025749582] [2024-10-11 20:38:35,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:35,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 20:38:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,947 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:35,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:35,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025749582] [2024-10-11 20:38:35,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025749582] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:35,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776048689] [2024-10-11 20:38:35,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:35,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:35,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:35,950 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:35,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 20:38:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:35,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 20:38:36,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:36,146 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:36,147 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:36,343 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:36,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776048689] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:38:36,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:38:36,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-10-11 20:38:36,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302950395] [2024-10-11 20:38:36,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:36,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 20:38:36,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:36,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 20:38:36,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:38:36,345 INFO L87 Difference]: Start difference. First operand 296 states and 374 transitions. Second operand has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 8 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2024-10-11 20:38:37,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:37,207 INFO L93 Difference]: Finished difference Result 482 states and 608 transitions. [2024-10-11 20:38:37,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 20:38:37,207 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 8 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) Word has length 71 [2024-10-11 20:38:37,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:37,210 INFO L225 Difference]: With dead ends: 482 [2024-10-11 20:38:37,210 INFO L226 Difference]: Without dead ends: 481 [2024-10-11 20:38:37,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=267, Invalid=663, Unknown=0, NotChecked=0, Total=930 [2024-10-11 20:38:37,211 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 686 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:37,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 456 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 20:38:37,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-10-11 20:38:37,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 381. [2024-10-11 20:38:37,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 318 states have (on average 1.279874213836478) internal successors, (407), 335 states have internal predecessors, (407), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-11 20:38:37,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 489 transitions. [2024-10-11 20:38:37,242 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 489 transitions. Word has length 71 [2024-10-11 20:38:37,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:37,242 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 489 transitions. [2024-10-11 20:38:37,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.071428571428571) internal successors, (113), 15 states have internal predecessors, (113), 8 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2024-10-11 20:38:37,242 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 489 transitions. [2024-10-11 20:38:37,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-11 20:38:37,245 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:37,245 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-11 20:38:37,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-11 20:38:37,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 20:38:37,446 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:37,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:37,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1520684108, now seen corresponding path program 1 times [2024-10-11 20:38:37,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:37,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182269247] [2024-10-11 20:38:37,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:37,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:37,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:37,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:37,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:37,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:37,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:37,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 20:38:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:37,593 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:37,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:37,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182269247] [2024-10-11 20:38:37,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182269247] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:37,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810928025] [2024-10-11 20:38:37,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:37,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:37,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:37,596 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:37,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-11 20:38:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:37,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:38:37,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:37,778 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:37,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810928025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:37,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:37,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-11 20:38:37,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585639362] [2024-10-11 20:38:37,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:37,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:38:37,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:37,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:38:37,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:38:37,780 INFO L87 Difference]: Start difference. First operand 381 states and 489 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:38:38,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:38,080 INFO L93 Difference]: Finished difference Result 396 states and 514 transitions. [2024-10-11 20:38:38,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:38:38,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 72 [2024-10-11 20:38:38,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:38,083 INFO L225 Difference]: With dead ends: 396 [2024-10-11 20:38:38,083 INFO L226 Difference]: Without dead ends: 395 [2024-10-11 20:38:38,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-11 20:38:38,084 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 54 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:38,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 126 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:38:38,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-10-11 20:38:38,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 380. [2024-10-11 20:38:38,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 318 states have (on average 1.2672955974842768) internal successors, (403), 334 states have internal predecessors, (403), 41 states have call successors, (41), 4 states have call predecessors, (41), 4 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-11 20:38:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 485 transitions. [2024-10-11 20:38:38,114 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 485 transitions. Word has length 72 [2024-10-11 20:38:38,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:38,114 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 485 transitions. [2024-10-11 20:38:38,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:38:38,114 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 485 transitions. [2024-10-11 20:38:38,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-11 20:38:38,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:38,115 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-11 20:38:38,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:38,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-11 20:38:38,316 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:38,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:38,316 INFO L85 PathProgramCache]: Analyzing trace with hash 103433046, now seen corresponding path program 1 times [2024-10-11 20:38:38,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:38,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473249095] [2024-10-11 20:38:38,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:38,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 20:38:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:38,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:38,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473249095] [2024-10-11 20:38:38,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473249095] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:38,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139666259] [2024-10-11 20:38:38,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:38,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:38,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:38,413 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:38,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-11 20:38:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:38,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 20:38:38,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:38,583 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:38,583 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:38,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139666259] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:38:38,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:38:38,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-11 20:38:38,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663797672] [2024-10-11 20:38:38,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:38,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:38:38,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:38,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:38:38,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:38:38,712 INFO L87 Difference]: Start difference. First operand 380 states and 485 transitions. Second operand has 11 states, 10 states have (on average 12.8) internal successors, (128), 11 states have internal predecessors, (128), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-10-11 20:38:39,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:39,034 INFO L93 Difference]: Finished difference Result 524 states and 681 transitions. [2024-10-11 20:38:39,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:38:39,035 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.8) internal successors, (128), 11 states have internal predecessors, (128), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 73 [2024-10-11 20:38:39,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:39,037 INFO L225 Difference]: With dead ends: 524 [2024-10-11 20:38:39,037 INFO L226 Difference]: Without dead ends: 523 [2024-10-11 20:38:39,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2024-10-11 20:38:39,038 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 144 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:39,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 312 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:38:39,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-10-11 20:38:39,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 454. [2024-10-11 20:38:39,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 384 states have (on average 1.2473958333333333) internal successors, (479), 400 states have internal predecessors, (479), 49 states have call successors, (49), 4 states have call predecessors, (49), 4 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 20:38:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 577 transitions. [2024-10-11 20:38:39,077 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 577 transitions. Word has length 73 [2024-10-11 20:38:39,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:39,077 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 577 transitions. [2024-10-11 20:38:39,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.8) internal successors, (128), 11 states have internal predecessors, (128), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-10-11 20:38:39,078 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 577 transitions. [2024-10-11 20:38:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-11 20:38:39,078 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:39,078 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-11 20:38:39,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-11 20:38:39,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 20:38:39,279 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:39,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:39,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1882365912, now seen corresponding path program 1 times [2024-10-11 20:38:39,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:39,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051168044] [2024-10-11 20:38:39,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:39,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 20:38:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,424 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:39,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:39,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051168044] [2024-10-11 20:38:39,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051168044] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:39,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073634974] [2024-10-11 20:38:39,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:39,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:39,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:39,427 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:39,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-11 20:38:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:39,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 20:38:39,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-11 20:38:39,592 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:39,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073634974] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:38:39,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:38:39,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 21 [2024-10-11 20:38:39,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111006261] [2024-10-11 20:38:39,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:39,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-11 20:38:39,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:39,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-11 20:38:39,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2024-10-11 20:38:39,765 INFO L87 Difference]: Start difference. First operand 454 states and 577 transitions. Second operand has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 5 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-10-11 20:38:40,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:40,032 INFO L93 Difference]: Finished difference Result 472 states and 591 transitions. [2024-10-11 20:38:40,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 20:38:40,032 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 5 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 76 [2024-10-11 20:38:40,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:40,035 INFO L225 Difference]: With dead ends: 472 [2024-10-11 20:38:40,035 INFO L226 Difference]: Without dead ends: 471 [2024-10-11 20:38:40,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=287, Invalid=835, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 20:38:40,036 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 111 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:40,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 568 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 20:38:40,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-10-11 20:38:40,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 453. [2024-10-11 20:38:40,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 384 states have (on average 1.2395833333333333) internal successors, (476), 399 states have internal predecessors, (476), 49 states have call successors, (49), 4 states have call predecessors, (49), 4 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 20:38:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 574 transitions. [2024-10-11 20:38:40,073 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 574 transitions. Word has length 76 [2024-10-11 20:38:40,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:40,073 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 574 transitions. [2024-10-11 20:38:40,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 5 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-10-11 20:38:40,073 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 574 transitions. [2024-10-11 20:38:40,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-11 20:38:40,074 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:40,074 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-11 20:38:40,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-11 20:38:40,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:40,275 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:40,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:40,275 INFO L85 PathProgramCache]: Analyzing trace with hash 772411540, now seen corresponding path program 1 times [2024-10-11 20:38:40,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:40,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283021698] [2024-10-11 20:38:40,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:40,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:40,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1702283400] [2024-10-11 20:38:40,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:40,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:40,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:40,288 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:40,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-11 20:38:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:40,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:38:40,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:40,651 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:40,651 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 20:38:40,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:40,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283021698] [2024-10-11 20:38:40,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:40,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702283400] [2024-10-11 20:38:40,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702283400] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:40,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:40,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 20:38:40,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032243504] [2024-10-11 20:38:40,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:40,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:38:40,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:40,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:38:40,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 20:38:40,653 INFO L87 Difference]: Start difference. First operand 453 states and 574 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:38:40,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:40,985 INFO L93 Difference]: Finished difference Result 486 states and 616 transitions. [2024-10-11 20:38:40,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:38:40,986 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 78 [2024-10-11 20:38:40,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:40,988 INFO L225 Difference]: With dead ends: 486 [2024-10-11 20:38:40,988 INFO L226 Difference]: Without dead ends: 482 [2024-10-11 20:38:40,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:38:40,989 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 128 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:40,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 309 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:38:40,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-10-11 20:38:41,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 359. [2024-10-11 20:38:41,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 303 states have (on average 1.2145214521452146) internal successors, (368), 314 states have internal predecessors, (368), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 20:38:41,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 448 transitions. [2024-10-11 20:38:41,029 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 448 transitions. Word has length 78 [2024-10-11 20:38:41,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:41,029 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 448 transitions. [2024-10-11 20:38:41,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:38:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 448 transitions. [2024-10-11 20:38:41,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 20:38:41,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:41,030 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-11 20:38:41,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:41,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-10-11 20:38:41,231 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:41,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:41,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1825045891, now seen corresponding path program 1 times [2024-10-11 20:38:41,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:41,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690967823] [2024-10-11 20:38:41,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:41,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:41,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859684103] [2024-10-11 20:38:41,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:41,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:41,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:41,244 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:41,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-11 20:38:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:41,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 20:38:41,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:41,601 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:42,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:42,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690967823] [2024-10-11 20:38:42,484 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:42,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859684103] [2024-10-11 20:38:42,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859684103] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:42,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:42,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:38:42,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673886964] [2024-10-11 20:38:42,484 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:42,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:38:42,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:42,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:38:42,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:38:42,486 INFO L87 Difference]: Start difference. First operand 359 states and 448 transitions. Second operand has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:38:42,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:42,686 INFO L93 Difference]: Finished difference Result 385 states and 474 transitions. [2024-10-11 20:38:42,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 20:38:42,686 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 79 [2024-10-11 20:38:42,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:42,688 INFO L225 Difference]: With dead ends: 385 [2024-10-11 20:38:42,688 INFO L226 Difference]: Without dead ends: 382 [2024-10-11 20:38:42,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-11 20:38:42,689 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 105 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:42,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 259 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:38:42,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-10-11 20:38:42,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 363. [2024-10-11 20:38:42,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 307 states have (on average 1.205211726384365) internal successors, (370), 318 states have internal predecessors, (370), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-11 20:38:42,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 450 transitions. [2024-10-11 20:38:42,722 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 450 transitions. Word has length 79 [2024-10-11 20:38:42,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:42,722 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 450 transitions. [2024-10-11 20:38:42,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-11 20:38:42,722 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 450 transitions. [2024-10-11 20:38:42,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 20:38:42,723 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:42,723 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-11 20:38:42,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:42,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:42,924 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:42,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:42,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1825046785, now seen corresponding path program 1 times [2024-10-11 20:38:42,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:42,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203855184] [2024-10-11 20:38:42,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:42,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:42,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:42,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:42,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:42,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:42,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:42,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 20:38:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-10-11 20:38:42,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:42,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203855184] [2024-10-11 20:38:42,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203855184] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:42,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:42,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:38:42,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59170114] [2024-10-11 20:38:42,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:42,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 20:38:42,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:42,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 20:38:42,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 20:38:42,989 INFO L87 Difference]: Start difference. First operand 363 states and 450 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 20:38:43,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:43,036 INFO L93 Difference]: Finished difference Result 437 states and 520 transitions. [2024-10-11 20:38:43,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 20:38:43,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 79 [2024-10-11 20:38:43,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:43,037 INFO L225 Difference]: With dead ends: 437 [2024-10-11 20:38:43,037 INFO L226 Difference]: Without dead ends: 215 [2024-10-11 20:38:43,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:38:43,038 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 11 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:43,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 266 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:38:43,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-10-11 20:38:43,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 208. [2024-10-11 20:38:43,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 176 states have (on average 1.1193181818181819) internal successors, (197), 185 states have internal predecessors, (197), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 20:38:43,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 233 transitions. [2024-10-11 20:38:43,058 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 233 transitions. Word has length 79 [2024-10-11 20:38:43,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:43,060 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 233 transitions. [2024-10-11 20:38:43,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-11 20:38:43,060 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 233 transitions. [2024-10-11 20:38:43,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 20:38:43,061 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:43,061 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-11 20:38:43,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-11 20:38:43,061 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:43,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:43,062 INFO L85 PathProgramCache]: Analyzing trace with hash -741847626, now seen corresponding path program 1 times [2024-10-11 20:38:43,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:43,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306655921] [2024-10-11 20:38:43,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:43,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 20:38:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:43,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:43,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306655921] [2024-10-11 20:38:43,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306655921] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 20:38:43,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 20:38:43,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 20:38:43,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15842480] [2024-10-11 20:38:43,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 20:38:43,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 20:38:43,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:43,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 20:38:43,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 20:38:43,199 INFO L87 Difference]: Start difference. First operand 208 states and 233 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:38:43,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:43,719 INFO L93 Difference]: Finished difference Result 209 states and 234 transitions. [2024-10-11 20:38:43,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 20:38:43,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 80 [2024-10-11 20:38:43,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:43,721 INFO L225 Difference]: With dead ends: 209 [2024-10-11 20:38:43,721 INFO L226 Difference]: Without dead ends: 208 [2024-10-11 20:38:43,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-10-11 20:38:43,722 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 91 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:43,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 206 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 20:38:43,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-11 20:38:43,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 196. [2024-10-11 20:38:43,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 165 states have (on average 1.1090909090909091) internal successors, (183), 173 states have internal predecessors, (183), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 20:38:43,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 219 transitions. [2024-10-11 20:38:43,739 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 219 transitions. Word has length 80 [2024-10-11 20:38:43,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:43,740 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 219 transitions. [2024-10-11 20:38:43,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:38:43,740 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 219 transitions. [2024-10-11 20:38:43,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-11 20:38:43,741 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:43,741 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-11 20:38:43,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-11 20:38:43,741 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:43,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:43,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1522439777, now seen corresponding path program 1 times [2024-10-11 20:38:43,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:43,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180818696] [2024-10-11 20:38:43,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:43,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 20:38:43,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2109821521] [2024-10-11 20:38:43,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:43,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:43,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:43,753 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:43,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-11 20:38:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:43,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 20:38:43,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-11 20:38:44,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:56,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:56,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180818696] [2024-10-11 20:38:56,541 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 20:38:56,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109821521] [2024-10-11 20:38:56,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109821521] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:56,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 20:38:56,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 20:38:56,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34710541] [2024-10-11 20:38:56,541 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:56,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 20:38:56,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:56,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 20:38:56,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=162, Unknown=3, NotChecked=0, Total=210 [2024-10-11 20:38:56,542 INFO L87 Difference]: Start difference. First operand 196 states and 219 transitions. Second operand has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:38:56,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:56,828 INFO L93 Difference]: Finished difference Result 199 states and 221 transitions. [2024-10-11 20:38:56,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 20:38:56,829 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 81 [2024-10-11 20:38:56,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:56,830 INFO L225 Difference]: With dead ends: 199 [2024-10-11 20:38:56,830 INFO L226 Difference]: Without dead ends: 173 [2024-10-11 20:38:56,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=90, Invalid=327, Unknown=3, NotChecked=0, Total=420 [2024-10-11 20:38:56,831 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 102 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:56,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 176 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 20:38:56,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-10-11 20:38:56,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-10-11 20:38:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 143 states have (on average 1.118881118881119) internal successors, (160), 151 states have internal predecessors, (160), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-11 20:38:56,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 194 transitions. [2024-10-11 20:38:56,848 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 194 transitions. Word has length 81 [2024-10-11 20:38:56,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:56,848 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 194 transitions. [2024-10-11 20:38:56,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 20:38:56,848 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 194 transitions. [2024-10-11 20:38:56,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-11 20:38:56,849 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 20:38:56,849 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2024-10-11 20:38:56,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:57,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-10-11 20:38:57,054 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-10-11 20:38:57,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 20:38:57,054 INFO L85 PathProgramCache]: Analyzing trace with hash 678851371, now seen corresponding path program 1 times [2024-10-11 20:38:57,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 20:38:57,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720188873] [2024-10-11 20:38:57,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:57,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 20:38:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:57,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 20:38:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:57,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 20:38:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:57,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 20:38:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:57,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 20:38:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:57,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 20:38:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:57,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 20:38:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:57,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 20:38:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:57,159 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:38:57,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 20:38:57,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720188873] [2024-10-11 20:38:57,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720188873] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 20:38:57,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992673448] [2024-10-11 20:38:57,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 20:38:57,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 20:38:57,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 20:38:57,161 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 20:38:57,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-11 20:38:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 20:38:57,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 20:38:57,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 20:38:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 82 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-10-11 20:38:57,300 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 20:38:57,380 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-11 20:38:57,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992673448] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 20:38:57,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 20:38:57,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 11 [2024-10-11 20:38:57,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230130454] [2024-10-11 20:38:57,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 20:38:57,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 20:38:57,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 20:38:57,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 20:38:57,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-10-11 20:38:57,382 INFO L87 Difference]: Start difference. First operand 173 states and 194 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 20:38:57,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 20:38:57,454 INFO L93 Difference]: Finished difference Result 173 states and 194 transitions. [2024-10-11 20:38:57,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 20:38:57,454 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 83 [2024-10-11 20:38:57,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 20:38:57,454 INFO L225 Difference]: With dead ends: 173 [2024-10-11 20:38:57,455 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 20:38:57,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 172 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-10-11 20:38:57,455 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 9 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 20:38:57,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 182 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 20:38:57,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 20:38:57,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 20:38:57,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 20:38:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 20:38:57,458 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2024-10-11 20:38:57,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 20:38:57,458 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 20:38:57,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 20:38:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 20:38:57,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 20:38:57,462 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 34 remaining) [2024-10-11 20:38:57,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 34 remaining) [2024-10-11 20:38:57,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 34 remaining) [2024-10-11 20:38:57,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 34 remaining) [2024-10-11 20:38:57,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 34 remaining) [2024-10-11 20:38:57,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 34 remaining) [2024-10-11 20:38:57,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 34 remaining) [2024-10-11 20:38:57,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 34 remaining) [2024-10-11 20:38:57,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 34 remaining) [2024-10-11 20:38:57,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 34 remaining) [2024-10-11 20:38:57,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 34 remaining) [2024-10-11 20:38:57,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 34 remaining) [2024-10-11 20:38:57,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 34 remaining) [2024-10-11 20:38:57,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 34 remaining) [2024-10-11 20:38:57,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 34 remaining) [2024-10-11 20:38:57,464 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 34 remaining) [2024-10-11 20:38:57,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 34 remaining) [2024-10-11 20:38:57,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 34 remaining) [2024-10-11 20:38:57,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 34 remaining) [2024-10-11 20:38:57,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 34 remaining) [2024-10-11 20:38:57,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 34 remaining) [2024-10-11 20:38:57,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 34 remaining) [2024-10-11 20:38:57,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 34 remaining) [2024-10-11 20:38:57,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 34 remaining) [2024-10-11 20:38:57,465 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 34 remaining) [2024-10-11 20:38:57,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 34 remaining) [2024-10-11 20:38:57,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 34 remaining) [2024-10-11 20:38:57,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 34 remaining) [2024-10-11 20:38:57,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 34 remaining) [2024-10-11 20:38:57,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 34 remaining) [2024-10-11 20:38:57,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 34 remaining) [2024-10-11 20:38:57,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 34 remaining) [2024-10-11 20:38:57,466 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 34 remaining) [2024-10-11 20:38:57,467 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 34 remaining) [2024-10-11 20:38:57,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-11 20:38:57,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-10-11 20:38:57,673 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 20:38:57,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 20:38:58,153 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 20:38:58,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 08:38:58 BoogieIcfgContainer [2024-10-11 20:38:58,181 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 20:38:58,182 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 20:38:58,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 20:38:58,182 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 20:38:58,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:38:12" (3/4) ... [2024-10-11 20:38:58,186 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 20:38:58,190 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-11 20:38:58,196 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-11 20:38:58,196 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-11 20:38:58,196 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 20:38:58,196 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 20:38:58,299 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 20:38:58,302 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 20:38:58,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 20:38:58,303 INFO L158 Benchmark]: Toolchain (without parser) took 46557.22ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 94.5MB in the beginning and 155.1MB in the end (delta: -60.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-10-11 20:38:58,303 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 96.5MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 20:38:58,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.57ms. Allocated memory is still 159.4MB. Free memory was 94.5MB in the beginning and 129.7MB in the end (delta: -35.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-10-11 20:38:58,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.20ms. Allocated memory is still 159.4MB. Free memory was 129.7MB in the beginning and 128.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 20:38:58,304 INFO L158 Benchmark]: Boogie Preprocessor took 36.33ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 126.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 20:38:58,304 INFO L158 Benchmark]: RCFGBuilder took 456.94ms. Allocated memory is still 159.4MB. Free memory was 126.1MB in the beginning and 108.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-11 20:38:58,304 INFO L158 Benchmark]: TraceAbstraction took 45567.06ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 107.8MB in the beginning and 161.3MB in the end (delta: -53.5MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2024-10-11 20:38:58,304 INFO L158 Benchmark]: Witness Printer took 120.77ms. Allocated memory is still 232.8MB. Free memory was 161.3MB in the beginning and 155.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 20:38:58,307 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 96.5MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.57ms. Allocated memory is still 159.4MB. Free memory was 94.5MB in the beginning and 129.7MB in the end (delta: -35.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.20ms. Allocated memory is still 159.4MB. Free memory was 129.7MB in the beginning and 128.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.33ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 126.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.94ms. Allocated memory is still 159.4MB. Free memory was 126.1MB in the beginning and 108.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 45567.06ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 107.8MB in the beginning and 161.3MB in the end (delta: -53.5MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. * Witness Printer took 120.77ms. Allocated memory is still 232.8MB. Free memory was 161.3MB in the beginning and 155.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 90 locations, 34 error locations. Started 1 CEGAR loops. OverallTime: 45.0s, OverallIterations: 36, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4669 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4525 mSDsluCounter, 9016 SdHoareTripleChecker+Invalid, 6.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6436 mSDsCounter, 425 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5356 IncrementalHoareTripleChecker+Invalid, 5781 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 425 mSolverCounterUnsat, 2580 mSDtfsCounter, 5356 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2229 GetRequests, 1900 SyntacticMatches, 10 SemanticMatches, 319 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 23.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=953occurred in iteration=24, InterpolantAutomatonStates: 276, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 36 MinimizatonAttempts, 1215 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 28.7s InterpolantComputationTime, 3069 NumberOfCodeBlocks, 3069 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 2975 ConstructedInterpolants, 0 QuantifiedInterpolants, 10757 SizeOfPredicates, 44 NumberOfNonLiveVariables, 2597 ConjunctsInSsa, 142 ConjunctsInUnsatCore, 52 InterpolantComputations, 26 PerfectInterpolantSequences, 2319/2497 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((((((((1 <= y) && (x <= 2147483647)) && (r <= 2147483647)) && (((long long) 2 * y) == b)) && (0 <= (x + 2147483648))) && (q == 0)) && (2 == a)) && (b <= r)) && (counter == 2)) || (((((((((1 <= y) && (x <= 2147483647)) && (b == y)) && (a == 1)) && (0 <= (x + 2147483648))) && (q == 0)) && (((__int128) ((long long) 2 * y) + r) <= (2147483647 + ((__int128) 2 * b)))) && (counter == 1)) && (y <= r))) - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((((((((((((counter == 3) && (a <= 4611686018427387902)) && (1 <= y)) && (x <= 2147483647)) && (0 <= r)) && (0 <= (x + 2147483648))) && (2 == q)) && (r <= (((__int128) 2 * b) + 9223372036854775807))) && (((__int128) ((long long) 2 * y) + r) <= 2147483647)) && (2 <= a)) || (((((((((((1 <= y) && (x <= 2147483647)) && (r <= 2147483647)) && (0 <= (x + 2147483648))) && (q == 0)) && (b <= 2147483647)) && (counter == 0)) && (a == 0)) && (y <= 2147483647)) && (0 <= ((__int128) 1073741824 + b))) && (0 <= ((__int128) r + 2147483648)))) || ((((((((((1 <= y) && (x <= 2147483647)) && (0 <= r)) && (a == 1)) && (0 <= (x + 2147483648))) && (q == 1)) && (b <= 2147483647)) && (0 <= ((__int128) b + 2147483648))) && (((__int128) r + y) <= 2147483647)) && (counter == 2))) RESULT: Ultimate proved your program to be correct! [2024-10-11 20:38:58,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE