./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/prod4br-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/prod4br-ll.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9fc373a278835802938e4c08f2544f1651ce1de6dc177c0a58501e43687c477d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:24:25,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:24:25,149 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:24:25,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:24:25,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:24:25,183 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:24:25,184 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:24:25,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:24:25,186 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:24:25,186 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:24:25,186 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:24:25,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:24:25,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:24:25,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:24:25,187 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:24:25,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:24:25,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:24:25,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:24:25,190 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:24:25,190 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:24:25,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:24:25,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:24:25,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:24:25,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:24:25,193 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:24:25,193 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:24:25,194 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:24:25,194 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:24:25,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:24:25,194 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:24:25,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:24:25,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:24:25,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:24:25,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:24:25,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:24:25,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:24:25,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:24:25,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:24:25,196 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:24:25,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:24:25,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:24:25,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:24:25,198 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:24:25,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:24:25,199 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fc373a278835802938e4c08f2544f1651ce1de6dc177c0a58501e43687c477d [2024-11-20 18:24:25,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:24:25,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:24:25,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:24:25,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:24:25,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:24:25,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/prod4br-ll.c [2024-11-20 18:24:26,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:24:26,824 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:24:26,824 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/prod4br-ll.c [2024-11-20 18:24:26,831 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/138f8c087/1d6b49e0ab3e4a8e8583edbe730439c0/FLAG8da035d42 [2024-11-20 18:24:26,844 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/138f8c087/1d6b49e0ab3e4a8e8583edbe730439c0 [2024-11-20 18:24:26,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:24:26,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:24:26,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:24:26,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:24:26,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:24:26,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:26" (1/1) ... [2024-11-20 18:24:26,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1a08e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:26, skipping insertion in model container [2024-11-20 18:24:26,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:26" (1/1) ... [2024-11-20 18:24:26,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:24:27,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:24:27,035 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:24:27,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:24:27,062 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:24:27,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27 WrapperNode [2024-11-20 18:24:27,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:24:27,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:24:27,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:24:27,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:24:27,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27" (1/1) ... [2024-11-20 18:24:27,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27" (1/1) ... [2024-11-20 18:24:27,093 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-11-20 18:24:27,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:24:27,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:24:27,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:24:27,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:24:27,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27" (1/1) ... [2024-11-20 18:24:27,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27" (1/1) ... [2024-11-20 18:24:27,105 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27" (1/1) ... [2024-11-20 18:24:27,117 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 18:24:27,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27" (1/1) ... [2024-11-20 18:24:27,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27" (1/1) ... [2024-11-20 18:24:27,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27" (1/1) ... [2024-11-20 18:24:27,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27" (1/1) ... [2024-11-20 18:24:27,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27" (1/1) ... [2024-11-20 18:24:27,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27" (1/1) ... [2024-11-20 18:24:27,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:24:27,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:24:27,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:24:27,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:24:27,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27" (1/1) ... [2024-11-20 18:24:27,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:24:27,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:27,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 18:24:27,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 18:24:27,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:24:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:24:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:24:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:24:27,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:24:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:24:27,236 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:24:27,237 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:24:27,549 INFO L? ?]: Removed 92 outVars from TransFormulas that were not future-live. [2024-11-20 18:24:27,549 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:24:27,562 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:24:27,564 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 18:24:27,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:27 BoogieIcfgContainer [2024-11-20 18:24:27,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:24:27,566 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:24:27,566 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:24:27,570 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:24:27,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:24:26" (1/3) ... [2024-11-20 18:24:27,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b4db61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:24:27, skipping insertion in model container [2024-11-20 18:24:27,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:27" (2/3) ... [2024-11-20 18:24:27,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b4db61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:24:27, skipping insertion in model container [2024-11-20 18:24:27,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:27" (3/3) ... [2024-11-20 18:24:27,574 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll.c [2024-11-20 18:24:27,586 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:24:27,586 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-20 18:24:27,637 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:24:27,642 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;@7180c35e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:24:27,642 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-11-20 18:24:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 59 states have (on average 1.847457627118644) internal successors, (109), 101 states have internal predecessors, (109), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 18:24:27,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:24:27,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:27,649 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:24:27,650 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:27,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:27,653 INFO L85 PathProgramCache]: Analyzing trace with hash 889508943, now seen corresponding path program 1 times [2024-11-20 18:24:27,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:27,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252390990] [2024-11-20 18:24:27,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:27,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:27,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:27,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252390990] [2024-11-20 18:24:27,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252390990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:27,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:27,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:24:27,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131478196] [2024-11-20 18:24:27,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:27,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 18:24:27,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:27,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 18:24:27,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:24:27,774 INFO L87 Difference]: Start difference. First operand has 106 states, 59 states have (on average 1.847457627118644) internal successors, (109), 101 states have internal predecessors, (109), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-20 18:24:27,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:27,793 INFO L93 Difference]: Finished difference Result 208 states and 228 transitions. [2024-11-20 18:24:27,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 18:24:27,795 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-20 18:24:27,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:27,800 INFO L225 Difference]: With dead ends: 208 [2024-11-20 18:24:27,800 INFO L226 Difference]: Without dead ends: 99 [2024-11-20 18:24:27,803 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 [2024-11-20 18:24:27,805 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:27,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:24:27,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-20 18:24:27,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-20 18:24:27,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.8333333333333333) internal successors, (99), 95 states have internal predecessors, (99), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:24:27,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 103 transitions. [2024-11-20 18:24:27,834 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 103 transitions. Word has length 6 [2024-11-20 18:24:27,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:27,835 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 103 transitions. [2024-11-20 18:24:27,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-20 18:24:27,835 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 103 transitions. [2024-11-20 18:24:27,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:24:27,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:27,836 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:24:27,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:24:27,836 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:27,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:27,837 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-11-20 18:24:27,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:27,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543496115] [2024-11-20 18:24:27,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:27,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:27,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1332340759] [2024-11-20 18:24:27,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:27,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:27,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:27,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:27,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:24:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:27,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:24:27,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:28,044 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:24:28,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:28,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543496115] [2024-11-20 18:24:28,045 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:28,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332340759] [2024-11-20 18:24:28,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332340759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:28,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:28,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:24:28,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180137037] [2024-11-20 18:24:28,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:28,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:24:28,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:28,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:24:28,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:24:28,051 INFO L87 Difference]: Start difference. First operand 99 states and 103 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2024-11-20 18:24:28,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:28,322 INFO L93 Difference]: Finished difference Result 139 states and 159 transitions. [2024-11-20 18:24:28,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:24:28,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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 6 [2024-11-20 18:24:28,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:28,324 INFO L225 Difference]: With dead ends: 139 [2024-11-20 18:24:28,326 INFO L226 Difference]: Without dead ends: 128 [2024-11-20 18:24:28,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:24:28,327 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 154 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:28,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 134 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:24:28,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-20 18:24:28,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 123. [2024-11-20 18:24:28,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 78 states have (on average 1.705128205128205) internal successors, (133), 117 states have internal predecessors, (133), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:24:28,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2024-11-20 18:24:28,345 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 6 [2024-11-20 18:24:28,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:28,345 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2024-11-20 18:24:28,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2024-11-20 18:24:28,345 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2024-11-20 18:24:28,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 18:24:28,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:28,345 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:24:28,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 18:24:28,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:28,551 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:28,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:28,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1806819342, now seen corresponding path program 1 times [2024-11-20 18:24:28,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:28,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229456251] [2024-11-20 18:24:28,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:28,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:28,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [271025724] [2024-11-20 18:24:28,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:28,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:28,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:28,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:28,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:24:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:28,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-20 18:24:28,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:28,671 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:24:28,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:28,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229456251] [2024-11-20 18:24:28,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:28,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271025724] [2024-11-20 18:24:28,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271025724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:28,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:28,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:24:28,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901399673] [2024-11-20 18:24:28,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:28,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:24:28,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:28,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:24:28,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:24:28,674 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2024-11-20 18:24:28,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:28,898 INFO L93 Difference]: Finished difference Result 169 states and 207 transitions. [2024-11-20 18:24:28,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:24:28,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 7 [2024-11-20 18:24:28,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:28,899 INFO L225 Difference]: With dead ends: 169 [2024-11-20 18:24:28,899 INFO L226 Difference]: Without dead ends: 151 [2024-11-20 18:24:28,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:24:28,901 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 165 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:28,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 116 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:24:28,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-20 18:24:28,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 146. [2024-11-20 18:24:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 102 states have (on average 1.6274509803921569) internal successors, (166), 139 states have internal predecessors, (166), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:24:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 176 transitions. [2024-11-20 18:24:28,916 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 176 transitions. Word has length 7 [2024-11-20 18:24:28,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:28,916 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 176 transitions. [2024-11-20 18:24:28,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2024-11-20 18:24:28,916 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 176 transitions. [2024-11-20 18:24:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 18:24:28,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:28,917 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:24:28,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 18:24:29,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-20 18:24:29,118 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:29,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:29,119 INFO L85 PathProgramCache]: Analyzing trace with hash 176824808, now seen corresponding path program 1 times [2024-11-20 18:24:29,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:29,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106023111] [2024-11-20 18:24:29,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:29,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:29,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464182648] [2024-11-20 18:24:29,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:29,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:29,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:29,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:29,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:24:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:29,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 18:24:29,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:29,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:29,248 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:24:29,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:29,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106023111] [2024-11-20 18:24:29,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:29,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464182648] [2024-11-20 18:24:29,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464182648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:29,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:29,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:24:29,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655630031] [2024-11-20 18:24:29,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:29,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:24:29,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:29,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:24:29,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:24:29,250 INFO L87 Difference]: Start difference. First operand 146 states and 176 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2024-11-20 18:24:29,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:29,415 INFO L93 Difference]: Finished difference Result 154 states and 183 transitions. [2024-11-20 18:24:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:24:29,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 [2024-11-20 18:24:29,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:29,417 INFO L225 Difference]: With dead ends: 154 [2024-11-20 18:24:29,417 INFO L226 Difference]: Without dead ends: 153 [2024-11-20 18:24:29,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:24:29,418 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 136 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:29,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 146 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:24:29,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-20 18:24:29,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 146. [2024-11-20 18:24:29,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 102 states have (on average 1.6176470588235294) internal successors, (165), 139 states have internal predecessors, (165), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:24:29,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 175 transitions. [2024-11-20 18:24:29,426 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 175 transitions. Word has length 8 [2024-11-20 18:24:29,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:29,426 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 175 transitions. [2024-11-20 18:24:29,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2024-11-20 18:24:29,427 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 175 transitions. [2024-11-20 18:24:29,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 18:24:29,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:29,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:24:29,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-20 18:24:29,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:29,632 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:29,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:29,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1186601808, now seen corresponding path program 1 times [2024-11-20 18:24:29,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:29,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342392683] [2024-11-20 18:24:29,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:29,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:29,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1911443980] [2024-11-20 18:24:29,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:29,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:29,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:29,646 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:29,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:24:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:29,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:24:29,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:29,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:29,772 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:24:29,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:29,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342392683] [2024-11-20 18:24:29,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:29,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911443980] [2024-11-20 18:24:29,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911443980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:29,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:29,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:24:29,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864130165] [2024-11-20 18:24:29,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:29,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:24:29,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:29,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:24:29,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:24:29,775 INFO L87 Difference]: Start difference. First operand 146 states and 175 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-11-20 18:24:29,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:29,986 INFO L93 Difference]: Finished difference Result 149 states and 175 transitions. [2024-11-20 18:24:29,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:24:29,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2024-11-20 18:24:29,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:29,988 INFO L225 Difference]: With dead ends: 149 [2024-11-20 18:24:29,988 INFO L226 Difference]: Without dead ends: 146 [2024-11-20 18:24:29,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:24:29,989 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 157 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:29,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 122 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:24:29,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-20 18:24:29,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-20 18:24:29,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 102 states have (on average 1.5784313725490196) internal successors, (161), 139 states have internal predecessors, (161), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-20 18:24:29,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2024-11-20 18:24:29,997 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 9 [2024-11-20 18:24:29,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:29,997 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2024-11-20 18:24:29,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-11-20 18:24:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2024-11-20 18:24:29,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 18:24:29,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:29,998 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:24:30,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-20 18:24:30,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:30,202 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:30,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:30,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1870049558, now seen corresponding path program 1 times [2024-11-20 18:24:30,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:30,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548579891] [2024-11-20 18:24:30,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:30,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:30,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:30,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:30,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548579891] [2024-11-20 18:24:30,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548579891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:30,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:30,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:24:30,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703895159] [2024-11-20 18:24:30,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:30,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:24:30,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:30,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:24:30,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:30,283 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-20 18:24:30,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:30,491 INFO L93 Difference]: Finished difference Result 239 states and 278 transitions. [2024-11-20 18:24:30,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:24:30,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2024-11-20 18:24:30,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:30,493 INFO L225 Difference]: With dead ends: 239 [2024-11-20 18:24:30,493 INFO L226 Difference]: Without dead ends: 238 [2024-11-20 18:24:30,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:30,494 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 93 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:30,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 141 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:24:30,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-20 18:24:30,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 167. [2024-11-20 18:24:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 122 states have (on average 1.5819672131147542) internal successors, (193), 159 states have internal predecessors, (193), 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) [2024-11-20 18:24:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 205 transitions. [2024-11-20 18:24:30,509 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 205 transitions. Word has length 10 [2024-11-20 18:24:30,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:30,509 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 205 transitions. [2024-11-20 18:24:30,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-20 18:24:30,513 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 205 transitions. [2024-11-20 18:24:30,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-20 18:24:30,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:30,513 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:24:30,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 18:24:30,514 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:30,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:30,514 INFO L85 PathProgramCache]: Analyzing trace with hash -2136961390, now seen corresponding path program 1 times [2024-11-20 18:24:30,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:30,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640932546] [2024-11-20 18:24:30,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:30,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:30,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:30,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640932546] [2024-11-20 18:24:30,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640932546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:30,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:30,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:24:30,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822366597] [2024-11-20 18:24:30,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:30,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:24:30,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:30,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:24:30,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:30,570 INFO L87 Difference]: Start difference. First operand 167 states and 205 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-20 18:24:30,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:30,879 INFO L93 Difference]: Finished difference Result 239 states and 276 transitions. [2024-11-20 18:24:30,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:24:30,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2024-11-20 18:24:30,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:30,881 INFO L225 Difference]: With dead ends: 239 [2024-11-20 18:24:30,881 INFO L226 Difference]: Without dead ends: 238 [2024-11-20 18:24:30,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:30,882 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 91 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:30,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 151 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:24:30,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-20 18:24:30,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 167. [2024-11-20 18:24:30,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 122 states have (on average 1.5655737704918034) internal successors, (191), 159 states have internal predecessors, (191), 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) [2024-11-20 18:24:30,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 203 transitions. [2024-11-20 18:24:30,889 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 203 transitions. Word has length 11 [2024-11-20 18:24:30,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:30,889 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 203 transitions. [2024-11-20 18:24:30,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-20 18:24:30,889 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 203 transitions. [2024-11-20 18:24:30,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-20 18:24:30,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:30,890 INFO L215 NwaCegarLoop]: trace 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] [2024-11-20 18:24:30,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 18:24:30,890 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:30,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:30,891 INFO L85 PathProgramCache]: Analyzing trace with hash 842945428, now seen corresponding path program 1 times [2024-11-20 18:24:30,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:30,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503114803] [2024-11-20 18:24:30,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:30,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:30,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [851450824] [2024-11-20 18:24:30,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:30,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:30,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:30,929 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:30,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:24:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:30,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:24:30,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:31,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:31,018 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:24:31,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:31,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503114803] [2024-11-20 18:24:31,019 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:31,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851450824] [2024-11-20 18:24:31,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851450824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:31,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:31,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:24:31,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027592029] [2024-11-20 18:24:31,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:31,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:24:31,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:31,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:24:31,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:31,021 INFO L87 Difference]: Start difference. First operand 167 states and 203 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, (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) [2024-11-20 18:24:31,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:31,168 INFO L93 Difference]: Finished difference Result 218 states and 275 transitions. [2024-11-20 18:24:31,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:24:31,168 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, (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 25 [2024-11-20 18:24:31,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:31,169 INFO L225 Difference]: With dead ends: 218 [2024-11-20 18:24:31,169 INFO L226 Difference]: Without dead ends: 212 [2024-11-20 18:24:31,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:24:31,170 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 145 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:31,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 102 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:24:31,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-20 18:24:31,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 199. [2024-11-20 18:24:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 153 states have (on average 1.5686274509803921) internal successors, (240), 190 states have internal predecessors, (240), 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) [2024-11-20 18:24:31,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 254 transitions. [2024-11-20 18:24:31,182 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 254 transitions. Word has length 25 [2024-11-20 18:24:31,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:31,182 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 254 transitions. [2024-11-20 18:24:31,182 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, (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) [2024-11-20 18:24:31,183 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 254 transitions. [2024-11-20 18:24:31,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-20 18:24:31,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:31,184 INFO L215 NwaCegarLoop]: trace 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] [2024-11-20 18:24:31,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:24:31,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:31,389 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:31,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:31,389 INFO L85 PathProgramCache]: Analyzing trace with hash 361504607, now seen corresponding path program 1 times [2024-11-20 18:24:31,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:31,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185437184] [2024-11-20 18:24:31,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:31,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:31,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69625818] [2024-11-20 18:24:31,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:31,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:31,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:31,420 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:31,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:24:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:31,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:24:31,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:31,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:31,511 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:24:31,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:31,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185437184] [2024-11-20 18:24:31,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:31,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69625818] [2024-11-20 18:24:31,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69625818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:31,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:31,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:24:31,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570017956] [2024-11-20 18:24:31,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:31,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:24:31,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:31,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:24:31,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:31,513 INFO L87 Difference]: Start difference. First operand 199 states and 254 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-20 18:24:31,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:31,665 INFO L93 Difference]: Finished difference Result 260 states and 346 transitions. [2024-11-20 18:24:31,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:24:31,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 26 [2024-11-20 18:24:31,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:31,666 INFO L225 Difference]: With dead ends: 260 [2024-11-20 18:24:31,666 INFO L226 Difference]: Without dead ends: 254 [2024-11-20 18:24:31,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:24:31,667 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 200 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:31,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 65 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:24:31,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-20 18:24:31,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 238. [2024-11-20 18:24:31,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 191 states have (on average 1.612565445026178) internal successors, (308), 228 states have internal predecessors, (308), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:31,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 324 transitions. [2024-11-20 18:24:31,677 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 324 transitions. Word has length 26 [2024-11-20 18:24:31,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:31,677 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 324 transitions. [2024-11-20 18:24:31,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-20 18:24:31,677 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 324 transitions. [2024-11-20 18:24:31,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-20 18:24:31,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:31,677 INFO L215 NwaCegarLoop]: trace 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] [2024-11-20 18:24:31,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 18:24:31,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:31,878 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:31,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:31,879 INFO L85 PathProgramCache]: Analyzing trace with hash -53618082, now seen corresponding path program 1 times [2024-11-20 18:24:31,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:31,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116823254] [2024-11-20 18:24:31,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:31,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:31,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:24:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:31,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:31,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:31,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116823254] [2024-11-20 18:24:31,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116823254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:31,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:31,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:24:31,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753029313] [2024-11-20 18:24:31,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:31,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:24:31,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:31,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:24:31,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:31,963 INFO L87 Difference]: Start difference. First operand 238 states and 324 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-20 18:24:32,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:32,117 INFO L93 Difference]: Finished difference Result 320 states and 415 transitions. [2024-11-20 18:24:32,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:24:32,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 26 [2024-11-20 18:24:32,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:32,122 INFO L225 Difference]: With dead ends: 320 [2024-11-20 18:24:32,122 INFO L226 Difference]: Without dead ends: 319 [2024-11-20 18:24:32,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:32,123 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 61 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:32,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 189 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:24:32,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-20 18:24:32,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 248. [2024-11-20 18:24:32,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 201 states have (on average 1.6069651741293531) internal successors, (323), 238 states have internal predecessors, (323), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 339 transitions. [2024-11-20 18:24:32,133 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 339 transitions. Word has length 26 [2024-11-20 18:24:32,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:32,135 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 339 transitions. [2024-11-20 18:24:32,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-20 18:24:32,135 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 339 transitions. [2024-11-20 18:24:32,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 18:24:32,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:32,136 INFO L215 NwaCegarLoop]: trace 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] [2024-11-20 18:24:32,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 18:24:32,137 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:32,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:32,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1264090570, now seen corresponding path program 1 times [2024-11-20 18:24:32,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:32,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297653466] [2024-11-20 18:24:32,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:32,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:32,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:24:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:32,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:32,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:32,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297653466] [2024-11-20 18:24:32,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297653466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:32,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:32,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:24:32,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673842333] [2024-11-20 18:24:32,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:32,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:24:32,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:32,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:24:32,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:24:32,247 INFO L87 Difference]: Start difference. First operand 248 states and 339 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-11-20 18:24:32,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:32,556 INFO L93 Difference]: Finished difference Result 350 states and 502 transitions. [2024-11-20 18:24:32,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:24:32,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 27 [2024-11-20 18:24:32,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:32,558 INFO L225 Difference]: With dead ends: 350 [2024-11-20 18:24:32,558 INFO L226 Difference]: Without dead ends: 348 [2024-11-20 18:24:32,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:24:32,558 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 280 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:32,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 68 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:24:32,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-20 18:24:32,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 254. [2024-11-20 18:24:32,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 207 states have (on average 1.5942028985507246) internal successors, (330), 244 states have internal predecessors, (330), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 346 transitions. [2024-11-20 18:24:32,569 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 346 transitions. Word has length 27 [2024-11-20 18:24:32,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:32,569 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 346 transitions. [2024-11-20 18:24:32,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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) [2024-11-20 18:24:32,569 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 346 transitions. [2024-11-20 18:24:32,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 18:24:32,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:32,571 INFO L215 NwaCegarLoop]: trace 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] [2024-11-20 18:24:32,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 18:24:32,572 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:32,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:32,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1678258954, now seen corresponding path program 1 times [2024-11-20 18:24:32,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:32,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114036423] [2024-11-20 18:24:32,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:32,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:32,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:24:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:32,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:32,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:32,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114036423] [2024-11-20 18:24:32,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114036423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:32,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:32,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:24:32,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110591436] [2024-11-20 18:24:32,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:32,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:24:32,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:32,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:24:32,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:32,623 INFO L87 Difference]: Start difference. First operand 254 states and 346 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-20 18:24:32,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:32,751 INFO L93 Difference]: Finished difference Result 320 states and 411 transitions. [2024-11-20 18:24:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:24:32,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 27 [2024-11-20 18:24:32,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:32,753 INFO L225 Difference]: With dead ends: 320 [2024-11-20 18:24:32,753 INFO L226 Difference]: Without dead ends: 319 [2024-11-20 18:24:32,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:32,754 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 61 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:32,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 187 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:24:32,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-20 18:24:32,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 263. [2024-11-20 18:24:32,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 216 states have (on average 1.5925925925925926) internal successors, (344), 253 states have internal predecessors, (344), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:32,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 360 transitions. [2024-11-20 18:24:32,762 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 360 transitions. Word has length 27 [2024-11-20 18:24:32,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:32,762 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 360 transitions. [2024-11-20 18:24:32,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-20 18:24:32,762 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 360 transitions. [2024-11-20 18:24:32,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-20 18:24:32,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:32,763 INFO L215 NwaCegarLoop]: trace 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] [2024-11-20 18:24:32,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 18:24:32,763 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:32,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:32,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1662160440, now seen corresponding path program 1 times [2024-11-20 18:24:32,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:32,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980808120] [2024-11-20 18:24:32,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:32,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:32,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:24:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:32,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:32,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:32,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980808120] [2024-11-20 18:24:32,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980808120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:32,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:32,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:24:32,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695836297] [2024-11-20 18:24:32,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:32,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:24:32,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:32,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:24:32,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:32,814 INFO L87 Difference]: Start difference. First operand 263 states and 360 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-20 18:24:33,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:33,122 INFO L93 Difference]: Finished difference Result 320 states and 409 transitions. [2024-11-20 18:24:33,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:24:33,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 27 [2024-11-20 18:24:33,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:33,123 INFO L225 Difference]: With dead ends: 320 [2024-11-20 18:24:33,123 INFO L226 Difference]: Without dead ends: 319 [2024-11-20 18:24:33,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:33,124 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 60 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:33,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 188 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:24:33,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-20 18:24:33,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 265. [2024-11-20 18:24:33,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 218 states have (on average 1.5871559633027523) internal successors, (346), 255 states have internal predecessors, (346), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 362 transitions. [2024-11-20 18:24:33,131 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 362 transitions. Word has length 27 [2024-11-20 18:24:33,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:33,131 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 362 transitions. [2024-11-20 18:24:33,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-20 18:24:33,131 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 362 transitions. [2024-11-20 18:24:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 18:24:33,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:33,131 INFO L215 NwaCegarLoop]: trace 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] [2024-11-20 18:24:33,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 18:24:33,132 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:33,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:33,132 INFO L85 PathProgramCache]: Analyzing trace with hash -532101873, now seen corresponding path program 1 times [2024-11-20 18:24:33,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:33,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833167167] [2024-11-20 18:24:33,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:33,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:33,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:24:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:33,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:33,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833167167] [2024-11-20 18:24:33,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833167167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:33,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:33,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:24:33,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804019920] [2024-11-20 18:24:33,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:33,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:24:33,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:33,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:24:33,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:24:33,207 INFO L87 Difference]: Start difference. First operand 265 states and 362 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-11-20 18:24:33,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:33,474 INFO L93 Difference]: Finished difference Result 272 states and 369 transitions. [2024-11-20 18:24:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:24:33,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 28 [2024-11-20 18:24:33,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:33,476 INFO L225 Difference]: With dead ends: 272 [2024-11-20 18:24:33,476 INFO L226 Difference]: Without dead ends: 270 [2024-11-20 18:24:33,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:24:33,477 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 223 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:33,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 85 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:24:33,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-20 18:24:33,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 265. [2024-11-20 18:24:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 218 states have (on average 1.573394495412844) internal successors, (343), 255 states have internal predecessors, (343), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 359 transitions. [2024-11-20 18:24:33,484 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 359 transitions. Word has length 28 [2024-11-20 18:24:33,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:33,484 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 359 transitions. [2024-11-20 18:24:33,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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) [2024-11-20 18:24:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 359 transitions. [2024-11-20 18:24:33,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 18:24:33,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:33,485 INFO L215 NwaCegarLoop]: trace 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] [2024-11-20 18:24:33,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 18:24:33,485 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:33,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:33,485 INFO L85 PathProgramCache]: Analyzing trace with hash -486419903, now seen corresponding path program 1 times [2024-11-20 18:24:33,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:33,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909865399] [2024-11-20 18:24:33,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:33,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:33,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:24:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:33,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:33,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:33,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909865399] [2024-11-20 18:24:33,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909865399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:33,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:33,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:24:33,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085531052] [2024-11-20 18:24:33,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:33,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:24:33,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:33,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:24:33,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:33,526 INFO L87 Difference]: Start difference. First operand 265 states and 359 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-20 18:24:33,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:33,932 INFO L93 Difference]: Finished difference Result 320 states and 403 transitions. [2024-11-20 18:24:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:24:33,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 28 [2024-11-20 18:24:33,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:33,934 INFO L225 Difference]: With dead ends: 320 [2024-11-20 18:24:33,934 INFO L226 Difference]: Without dead ends: 319 [2024-11-20 18:24:33,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:33,936 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 59 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:33,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 222 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:24:33,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-20 18:24:33,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 267. [2024-11-20 18:24:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 220 states have (on average 1.5681818181818181) internal successors, (345), 257 states have internal predecessors, (345), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 361 transitions. [2024-11-20 18:24:33,944 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 361 transitions. Word has length 28 [2024-11-20 18:24:33,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:33,945 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 361 transitions. [2024-11-20 18:24:33,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-20 18:24:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 361 transitions. [2024-11-20 18:24:33,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 18:24:33,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:33,945 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:24:33,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 18:24:33,946 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:33,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:33,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1696564942, now seen corresponding path program 1 times [2024-11-20 18:24:33,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:33,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946190556] [2024-11-20 18:24:33,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:33,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:33,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1233576913] [2024-11-20 18:24:33,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:33,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:33,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:33,961 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:33,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:24:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:33,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-20 18:24:33,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:34,367 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:24:35,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:35,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:35,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946190556] [2024-11-20 18:24:35,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:35,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233576913] [2024-11-20 18:24:35,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233576913] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:24:35,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:24:35,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-20 18:24:35,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73174307] [2024-11-20 18:24:35,115 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:24:35,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 18:24:35,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:35,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 18:24:35,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:24:35,116 INFO L87 Difference]: Start difference. First operand 267 states and 361 transitions. Second operand has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 15 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:24:37,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:37,051 INFO L93 Difference]: Finished difference Result 492 states and 709 transitions. [2024-11-20 18:24:37,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-20 18:24:37,051 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 15 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2024-11-20 18:24:37,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:37,053 INFO L225 Difference]: With dead ends: 492 [2024-11-20 18:24:37,053 INFO L226 Difference]: Without dead ends: 468 [2024-11-20 18:24:37,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=322, Invalid=670, Unknown=0, NotChecked=0, Total=992 [2024-11-20 18:24:37,054 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 610 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:37,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 70 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 18:24:37,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2024-11-20 18:24:37,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 322. [2024-11-20 18:24:37,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 276 states have (on average 1.5217391304347827) internal successors, (420), 311 states have internal predecessors, (420), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 18:24:37,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 438 transitions. [2024-11-20 18:24:37,068 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 438 transitions. Word has length 28 [2024-11-20 18:24:37,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:37,068 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 438 transitions. [2024-11-20 18:24:37,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 15 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:24:37,069 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 438 transitions. [2024-11-20 18:24:37,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-20 18:24:37,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:37,069 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-20 18:24:37,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 18:24:37,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:37,270 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:37,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:37,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1053905598, now seen corresponding path program 1 times [2024-11-20 18:24:37,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:37,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843276945] [2024-11-20 18:24:37,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:37,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:37,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [194918436] [2024-11-20 18:24:37,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:37,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:37,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:37,291 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:37,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 18:24:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:37,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-20 18:24:37,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:37,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:24:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:38,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:38,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843276945] [2024-11-20 18:24:38,447 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:38,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194918436] [2024-11-20 18:24:38,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194918436] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:24:38,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:24:38,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-20 18:24:38,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367783225] [2024-11-20 18:24:38,455 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:24:38,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 18:24:38,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:38,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 18:24:38,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:24:38,456 INFO L87 Difference]: Start difference. First operand 322 states and 438 transitions. Second operand has 15 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 15 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:24:40,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:40,149 INFO L93 Difference]: Finished difference Result 475 states and 670 transitions. [2024-11-20 18:24:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 18:24:40,150 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 15 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2024-11-20 18:24:40,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:40,153 INFO L225 Difference]: With dead ends: 475 [2024-11-20 18:24:40,153 INFO L226 Difference]: Without dead ends: 455 [2024-11-20 18:24:40,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2024-11-20 18:24:40,154 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 557 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:40,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 75 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 18:24:40,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-20 18:24:40,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 339. [2024-11-20 18:24:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 295 states have (on average 1.4983050847457626) internal successors, (442), 329 states have internal predecessors, (442), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 458 transitions. [2024-11-20 18:24:40,172 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 458 transitions. Word has length 29 [2024-11-20 18:24:40,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:40,172 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 458 transitions. [2024-11-20 18:24:40,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 15 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:24:40,172 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 458 transitions. [2024-11-20 18:24:40,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-20 18:24:40,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:40,173 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] [2024-11-20 18:24:40,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-20 18:24:40,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-20 18:24:40,378 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:40,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:40,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1688664884, now seen corresponding path program 1 times [2024-11-20 18:24:40,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:40,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513136393] [2024-11-20 18:24:40,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:40,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:40,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1013184742] [2024-11-20 18:24:40,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:40,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:40,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:40,392 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:40,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 18:24:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:40,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-20 18:24:40,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:40,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:40,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:24:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:41,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:41,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513136393] [2024-11-20 18:24:41,474 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:41,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013184742] [2024-11-20 18:24:41,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013184742] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:24:41,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:24:41,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-20 18:24:41,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039383436] [2024-11-20 18:24:41,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:41,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:24:41,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:41,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:24:41,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:24:41,475 INFO L87 Difference]: Start difference. First operand 339 states and 458 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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) [2024-11-20 18:24:42,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:42,773 INFO L93 Difference]: Finished difference Result 344 states and 463 transitions. [2024-11-20 18:24:42,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:24:42,774 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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 30 [2024-11-20 18:24:42,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:42,775 INFO L225 Difference]: With dead ends: 344 [2024-11-20 18:24:42,775 INFO L226 Difference]: Without dead ends: 343 [2024-11-20 18:24:42,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:24:42,777 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 17 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:42,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 86 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 18:24:42,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-20 18:24:42,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2024-11-20 18:24:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 299 states have (on average 1.4849498327759196) internal successors, (444), 333 states have internal predecessors, (444), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 460 transitions. [2024-11-20 18:24:42,793 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 460 transitions. Word has length 30 [2024-11-20 18:24:42,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:42,793 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 460 transitions. [2024-11-20 18:24:42,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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) [2024-11-20 18:24:42,793 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 460 transitions. [2024-11-20 18:24:42,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-20 18:24:42,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:42,794 INFO L215 NwaCegarLoop]: trace 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] [2024-11-20 18:24:42,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 18:24:42,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-20 18:24:42,995 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:42,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:42,995 INFO L85 PathProgramCache]: Analyzing trace with hash 877525114, now seen corresponding path program 1 times [2024-11-20 18:24:42,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:42,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152420477] [2024-11-20 18:24:42,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:42,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:43,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1543298525] [2024-11-20 18:24:43,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:43,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:43,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:43,014 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:43,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 18:24:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:43,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:24:43,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:43,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:43,130 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:24:43,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:43,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152420477] [2024-11-20 18:24:43,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:43,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543298525] [2024-11-20 18:24:43,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543298525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:43,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:43,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:24:43,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091503301] [2024-11-20 18:24:43,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:43,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:24:43,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:43,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:24:43,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:24:43,131 INFO L87 Difference]: Start difference. First operand 343 states and 460 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-11-20 18:24:43,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:43,409 INFO L93 Difference]: Finished difference Result 407 states and 554 transitions. [2024-11-20 18:24:43,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:24:43,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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 31 [2024-11-20 18:24:43,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:43,411 INFO L225 Difference]: With dead ends: 407 [2024-11-20 18:24:43,411 INFO L226 Difference]: Without dead ends: 400 [2024-11-20 18:24:43,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:24:43,412 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 203 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:43,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 58 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:24:43,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-20 18:24:43,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 360. [2024-11-20 18:24:43,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 316 states have (on average 1.4841772151898733) internal successors, (469), 350 states have internal predecessors, (469), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:43,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 485 transitions. [2024-11-20 18:24:43,429 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 485 transitions. Word has length 31 [2024-11-20 18:24:43,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:43,430 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 485 transitions. [2024-11-20 18:24:43,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-11-20 18:24:43,430 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 485 transitions. [2024-11-20 18:24:43,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-20 18:24:43,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:43,430 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:24:43,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-20 18:24:43,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:43,635 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:43,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:43,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1578769972, now seen corresponding path program 1 times [2024-11-20 18:24:43,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:43,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289916659] [2024-11-20 18:24:43,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:43,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:43,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [396433557] [2024-11-20 18:24:43,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:43,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:43,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:43,645 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:43,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 18:24:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:43,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:24:43,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:43,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:43,776 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:24:43,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:43,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289916659] [2024-11-20 18:24:43,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:43,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396433557] [2024-11-20 18:24:43,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396433557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:43,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:43,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 18:24:43,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767285731] [2024-11-20 18:24:43,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:43,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:24:43,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:43,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:24:43,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:24:43,778 INFO L87 Difference]: Start difference. First operand 360 states and 485 transitions. Second operand has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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) [2024-11-20 18:24:44,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:44,079 INFO L93 Difference]: Finished difference Result 361 states and 485 transitions. [2024-11-20 18:24:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:24:44,079 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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 31 [2024-11-20 18:24:44,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:44,081 INFO L225 Difference]: With dead ends: 361 [2024-11-20 18:24:44,081 INFO L226 Difference]: Without dead ends: 360 [2024-11-20 18:24:44,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:24:44,081 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 144 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:44,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 162 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:24:44,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-20 18:24:44,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2024-11-20 18:24:44,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 316 states have (on average 1.481012658227848) internal successors, (468), 350 states have internal predecessors, (468), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 484 transitions. [2024-11-20 18:24:44,104 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 484 transitions. Word has length 31 [2024-11-20 18:24:44,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:44,105 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 484 transitions. [2024-11-20 18:24:44,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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) [2024-11-20 18:24:44,105 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 484 transitions. [2024-11-20 18:24:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-20 18:24:44,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:44,105 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:24:44,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-20 18:24:44,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:44,307 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:44,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:44,308 INFO L85 PathProgramCache]: Analyzing trace with hash 809003908, now seen corresponding path program 1 times [2024-11-20 18:24:44,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:44,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541658485] [2024-11-20 18:24:44,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:44,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:44,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40063791] [2024-11-20 18:24:44,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:44,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:44,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:44,318 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:44,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-20 18:24:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:44,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-20 18:24:44,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:44,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:44,562 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:24:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:49,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:49,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541658485] [2024-11-20 18:24:49,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:49,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40063791] [2024-11-20 18:24:49,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40063791] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:24:49,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:24:49,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-20 18:24:49,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773922740] [2024-11-20 18:24:49,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:49,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:24:49,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:49,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:24:49,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=168, Unknown=1, NotChecked=0, Total=240 [2024-11-20 18:24:49,784 INFO L87 Difference]: Start difference. First operand 360 states and 484 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 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) [2024-11-20 18:24:50,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:50,702 INFO L93 Difference]: Finished difference Result 362 states and 486 transitions. [2024-11-20 18:24:50,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:24:50,702 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 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 31 [2024-11-20 18:24:50,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:50,703 INFO L225 Difference]: With dead ends: 362 [2024-11-20 18:24:50,703 INFO L226 Difference]: Without dead ends: 361 [2024-11-20 18:24:50,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=80, Invalid=191, Unknown=1, NotChecked=0, Total=272 [2024-11-20 18:24:50,704 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 24 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:50,704 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 74 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 18:24:50,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-20 18:24:50,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2024-11-20 18:24:50,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 317 states have (on average 1.473186119873817) internal successors, (467), 351 states have internal predecessors, (467), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 483 transitions. [2024-11-20 18:24:50,720 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 483 transitions. Word has length 31 [2024-11-20 18:24:50,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:50,720 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 483 transitions. [2024-11-20 18:24:50,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 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) [2024-11-20 18:24:50,721 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 483 transitions. [2024-11-20 18:24:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-20 18:24:50,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:50,721 INFO L215 NwaCegarLoop]: trace 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] [2024-11-20 18:24:50,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-20 18:24:50,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-20 18:24:50,922 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:50,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:50,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1433474899, now seen corresponding path program 1 times [2024-11-20 18:24:50,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:50,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864829964] [2024-11-20 18:24:50,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:50,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:50,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90090875] [2024-11-20 18:24:50,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:50,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:50,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:50,938 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:50,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-20 18:24:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:50,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:24:50,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:51,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:51,079 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:24:51,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:51,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864829964] [2024-11-20 18:24:51,079 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:51,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90090875] [2024-11-20 18:24:51,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90090875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:51,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:51,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:24:51,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033824986] [2024-11-20 18:24:51,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:51,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:24:51,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:51,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:24:51,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:24:51,080 INFO L87 Difference]: Start difference. First operand 361 states and 483 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2024-11-20 18:24:51,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:51,374 INFO L93 Difference]: Finished difference Result 386 states and 509 transitions. [2024-11-20 18:24:51,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:24:51,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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 32 [2024-11-20 18:24:51,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:51,376 INFO L225 Difference]: With dead ends: 386 [2024-11-20 18:24:51,376 INFO L226 Difference]: Without dead ends: 381 [2024-11-20 18:24:51,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:24:51,377 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 209 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:51,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 61 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:24:51,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-20 18:24:51,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 359. [2024-11-20 18:24:51,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 315 states have (on average 1.4476190476190476) internal successors, (456), 349 states have internal predecessors, (456), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 472 transitions. [2024-11-20 18:24:51,393 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 472 transitions. Word has length 32 [2024-11-20 18:24:51,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:51,394 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 472 transitions. [2024-11-20 18:24:51,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2024-11-20 18:24:51,394 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 472 transitions. [2024-11-20 18:24:51,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-20 18:24:51,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:51,394 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:24:51,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-20 18:24:51,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-20 18:24:51,595 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:51,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:51,595 INFO L85 PathProgramCache]: Analyzing trace with hash 225664453, now seen corresponding path program 1 times [2024-11-20 18:24:51,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:51,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338653598] [2024-11-20 18:24:51,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:51,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:51,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [11511373] [2024-11-20 18:24:51,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:51,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:51,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:51,611 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:51,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-20 18:24:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:51,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-20 18:24:51,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:52,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:24:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:52,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:52,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338653598] [2024-11-20 18:24:52,486 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:52,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11511373] [2024-11-20 18:24:52,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11511373] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:24:52,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:24:52,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-20 18:24:52,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352486065] [2024-11-20 18:24:52,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:52,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:24:52,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:52,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:24:52,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:24:52,487 INFO L87 Difference]: Start difference. First operand 359 states and 472 transitions. Second operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 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) [2024-11-20 18:24:53,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:53,661 INFO L93 Difference]: Finished difference Result 368 states and 483 transitions. [2024-11-20 18:24:53,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:24:53,661 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 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 32 [2024-11-20 18:24:53,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:53,662 INFO L225 Difference]: With dead ends: 368 [2024-11-20 18:24:53,662 INFO L226 Difference]: Without dead ends: 367 [2024-11-20 18:24:53,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:24:53,663 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 31 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:53,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 102 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 18:24:53,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-20 18:24:53,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2024-11-20 18:24:53,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 323 states have (on average 1.436532507739938) internal successors, (464), 357 states have internal predecessors, (464), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 480 transitions. [2024-11-20 18:24:53,683 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 480 transitions. Word has length 32 [2024-11-20 18:24:53,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:53,683 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 480 transitions. [2024-11-20 18:24:53,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 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) [2024-11-20 18:24:53,683 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 480 transitions. [2024-11-20 18:24:53,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-20 18:24:53,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:53,684 INFO L215 NwaCegarLoop]: trace 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] [2024-11-20 18:24:53,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-20 18:24:53,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:53,884 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:53,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:53,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1488049052, now seen corresponding path program 1 times [2024-11-20 18:24:53,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:53,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362633132] [2024-11-20 18:24:53,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:53,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:53,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:24:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:53,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:53,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362633132] [2024-11-20 18:24:53,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362633132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:53,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:53,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:24:53,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880995512] [2024-11-20 18:24:53,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:53,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:24:53,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:53,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:24:53,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:53,936 INFO L87 Difference]: Start difference. First operand 367 states and 480 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, (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) [2024-11-20 18:24:54,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:54,112 INFO L93 Difference]: Finished difference Result 393 states and 501 transitions. [2024-11-20 18:24:54,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:24:54,113 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, (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 33 [2024-11-20 18:24:54,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:54,114 INFO L225 Difference]: With dead ends: 393 [2024-11-20 18:24:54,114 INFO L226 Difference]: Without dead ends: 392 [2024-11-20 18:24:54,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:54,114 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 34 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:54,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 154 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:24:54,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-20 18:24:54,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 378. [2024-11-20 18:24:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 334 states have (on average 1.4401197604790419) internal successors, (481), 368 states have internal predecessors, (481), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:54,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 497 transitions. [2024-11-20 18:24:54,136 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 497 transitions. Word has length 33 [2024-11-20 18:24:54,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:54,137 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 497 transitions. [2024-11-20 18:24:54,137 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, (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) [2024-11-20 18:24:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 497 transitions. [2024-11-20 18:24:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-20 18:24:54,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:54,137 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:24:54,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-20 18:24:54,137 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:54,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:54,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1594336493, now seen corresponding path program 1 times [2024-11-20 18:24:54,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:54,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247955990] [2024-11-20 18:24:54,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:54,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:54,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [233664925] [2024-11-20 18:24:54,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:54,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:54,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:54,151 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:54,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-20 18:24:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:54,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-20 18:24:54,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:54,575 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:24:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:55,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:55,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247955990] [2024-11-20 18:24:55,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:55,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233664925] [2024-11-20 18:24:55,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233664925] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:24:55,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:24:55,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-20 18:24:55,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154280701] [2024-11-20 18:24:55,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:55,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 18:24:55,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:55,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 18:24:55,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:24:55,366 INFO L87 Difference]: Start difference. First operand 378 states and 497 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 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) [2024-11-20 18:24:56,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:56,156 INFO L93 Difference]: Finished difference Result 382 states and 503 transitions. [2024-11-20 18:24:56,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:24:56,157 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 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 33 [2024-11-20 18:24:56,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:56,158 INFO L225 Difference]: With dead ends: 382 [2024-11-20 18:24:56,158 INFO L226 Difference]: Without dead ends: 381 [2024-11-20 18:24:56,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-20 18:24:56,158 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 18 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:56,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 106 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 18:24:56,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-20 18:24:56,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 376. [2024-11-20 18:24:56,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 332 states have (on average 1.4427710843373494) internal successors, (479), 366 states have internal predecessors, (479), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 495 transitions. [2024-11-20 18:24:56,175 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 495 transitions. Word has length 33 [2024-11-20 18:24:56,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:56,176 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 495 transitions. [2024-11-20 18:24:56,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 9 states have internal predecessors, (31), 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) [2024-11-20 18:24:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 495 transitions. [2024-11-20 18:24:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-20 18:24:56,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:56,178 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:24:56,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-20 18:24:56,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:56,379 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:56,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:56,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1074485810, now seen corresponding path program 1 times [2024-11-20 18:24:56,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:56,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763196389] [2024-11-20 18:24:56,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:56,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:56,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862492653] [2024-11-20 18:24:56,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:56,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:56,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:56,388 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:56,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-20 18:24:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:56,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-20 18:24:56,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:56,540 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:24:56,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:56,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763196389] [2024-11-20 18:24:56,541 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:56,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862492653] [2024-11-20 18:24:56,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862492653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:56,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:56,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 18:24:56,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137541367] [2024-11-20 18:24:56,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:56,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 18:24:56,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:56,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 18:24:56,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-20 18:24:56,542 INFO L87 Difference]: Start difference. First operand 376 states and 495 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 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) [2024-11-20 18:24:56,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:56,743 INFO L93 Difference]: Finished difference Result 380 states and 497 transitions. [2024-11-20 18:24:56,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:24:56,745 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 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 33 [2024-11-20 18:24:56,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:56,746 INFO L225 Difference]: With dead ends: 380 [2024-11-20 18:24:56,746 INFO L226 Difference]: Without dead ends: 378 [2024-11-20 18:24:56,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:24:56,746 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 167 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:56,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 159 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:24:56,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-20 18:24:56,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 376. [2024-11-20 18:24:56,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 332 states have (on average 1.4367469879518073) internal successors, (477), 366 states have internal predecessors, (477), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:56,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 493 transitions. [2024-11-20 18:24:56,767 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 493 transitions. Word has length 33 [2024-11-20 18:24:56,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:56,767 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 493 transitions. [2024-11-20 18:24:56,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 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) [2024-11-20 18:24:56,767 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 493 transitions. [2024-11-20 18:24:56,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 18:24:56,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:56,768 INFO L215 NwaCegarLoop]: trace 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] [2024-11-20 18:24:56,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-20 18:24:56,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-20 18:24:56,968 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:56,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:56,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1115119499, now seen corresponding path program 1 times [2024-11-20 18:24:56,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:56,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892123506] [2024-11-20 18:24:56,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:56,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:57,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:24:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:57,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:57,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:57,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892123506] [2024-11-20 18:24:57,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892123506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:24:57,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:24:57,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:24:57,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46834636] [2024-11-20 18:24:57,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:57,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:24:57,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:57,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:24:57,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:57,017 INFO L87 Difference]: Start difference. First operand 376 states and 493 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-20 18:24:57,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:57,232 INFO L93 Difference]: Finished difference Result 391 states and 495 transitions. [2024-11-20 18:24:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:24:57,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 34 [2024-11-20 18:24:57,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:57,234 INFO L225 Difference]: With dead ends: 391 [2024-11-20 18:24:57,234 INFO L226 Difference]: Without dead ends: 390 [2024-11-20 18:24:57,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:24:57,235 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 32 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:57,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 163 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:24:57,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-20 18:24:57,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 377. [2024-11-20 18:24:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 333 states have (on average 1.4324324324324325) internal successors, (477), 367 states have internal predecessors, (477), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 493 transitions. [2024-11-20 18:24:57,251 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 493 transitions. Word has length 34 [2024-11-20 18:24:57,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:57,251 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 493 transitions. [2024-11-20 18:24:57,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-20 18:24:57,251 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 493 transitions. [2024-11-20 18:24:57,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 18:24:57,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:57,252 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:24:57,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-20 18:24:57,252 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:57,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:57,252 INFO L85 PathProgramCache]: Analyzing trace with hash 2115176327, now seen corresponding path program 1 times [2024-11-20 18:24:57,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:57,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929744448] [2024-11-20 18:24:57,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:57,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:57,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [581742163] [2024-11-20 18:24:57,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:57,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:57,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:57,267 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:57,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-20 18:24:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:57,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-20 18:24:57,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:57,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:24:57,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:57,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:57,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929744448] [2024-11-20 18:24:57,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:57,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581742163] [2024-11-20 18:24:57,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581742163] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:24:57,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:24:57,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-20 18:24:57,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112425458] [2024-11-20 18:24:57,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:24:57,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:24:57,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:57,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:24:57,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:24:57,699 INFO L87 Difference]: Start difference. First operand 377 states and 493 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-11-20 18:24:58,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:24:58,077 INFO L93 Difference]: Finished difference Result 386 states and 504 transitions. [2024-11-20 18:24:58,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:24:58,077 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), 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 34 [2024-11-20 18:24:58,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:24:58,078 INFO L225 Difference]: With dead ends: 386 [2024-11-20 18:24:58,078 INFO L226 Difference]: Without dead ends: 385 [2024-11-20 18:24:58,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:24:58,079 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 106 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:24:58,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 72 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:24:58,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-20 18:24:58,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2024-11-20 18:24:58,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 341 states have (on average 1.4222873900293256) internal successors, (485), 375 states have internal predecessors, (485), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 18:24:58,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 501 transitions. [2024-11-20 18:24:58,097 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 501 transitions. Word has length 34 [2024-11-20 18:24:58,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:24:58,097 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 501 transitions. [2024-11-20 18:24:58,098 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), 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) [2024-11-20 18:24:58,098 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 501 transitions. [2024-11-20 18:24:58,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 18:24:58,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:24:58,098 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:24:58,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-20 18:24:58,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-20 18:24:58,299 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:24:58,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:24:58,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1050678318, now seen corresponding path program 1 times [2024-11-20 18:24:58,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:24:58,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834557926] [2024-11-20 18:24:58,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:58,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:24:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:24:58,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [259270956] [2024-11-20 18:24:58,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:24:58,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:24:58,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:24:58,308 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:24:58,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-20 18:24:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:24:58,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 18:24:58,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:24:58,481 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:58,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:24:58,772 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:24:58,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:24:58,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834557926] [2024-11-20 18:24:58,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:24:58,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259270956] [2024-11-20 18:24:58,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259270956] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:24:58,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:24:58,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-20 18:24:58,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763764335] [2024-11-20 18:24:58,773 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:24:58,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 18:24:58,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:24:58,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 18:24:58,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:24:58,773 INFO L87 Difference]: Start difference. First operand 385 states and 501 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:25:00,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:00,209 INFO L93 Difference]: Finished difference Result 498 states and 651 transitions. [2024-11-20 18:25:00,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 18:25:00,210 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2024-11-20 18:25:00,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:00,211 INFO L225 Difference]: With dead ends: 498 [2024-11-20 18:25:00,211 INFO L226 Difference]: Without dead ends: 496 [2024-11-20 18:25:00,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2024-11-20 18:25:00,211 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 517 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:00,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 78 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 18:25:00,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-20 18:25:00,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 425. [2024-11-20 18:25:00,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 380 states have (on average 1.4052631578947368) internal successors, (534), 414 states have internal predecessors, (534), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-20 18:25:00,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 552 transitions. [2024-11-20 18:25:00,235 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 552 transitions. Word has length 34 [2024-11-20 18:25:00,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:00,235 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 552 transitions. [2024-11-20 18:25:00,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:25:00,235 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 552 transitions. [2024-11-20 18:25:00,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-20 18:25:00,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:00,235 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-20 18:25:00,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-20 18:25:00,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-20 18:25:00,436 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:25:00,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:00,437 INFO L85 PathProgramCache]: Analyzing trace with hash 2111986999, now seen corresponding path program 1 times [2024-11-20 18:25:00,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:00,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712826699] [2024-11-20 18:25:00,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:00,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:00,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1640161061] [2024-11-20 18:25:00,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:00,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:00,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:00,447 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:25:00,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-20 18:25:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:00,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-20 18:25:00,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:00,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:00,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:00,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:00,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:00,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712826699] [2024-11-20 18:25:00,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:00,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640161061] [2024-11-20 18:25:00,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640161061] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:25:00,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:25:00,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-20 18:25:00,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363014546] [2024-11-20 18:25:00,913 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:25:00,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:25:00,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:00,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:25:00,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:25:00,914 INFO L87 Difference]: Start difference. First operand 425 states and 552 transitions. Second operand has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:25:02,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:25:05,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:05,453 INFO L93 Difference]: Finished difference Result 510 states and 691 transitions. [2024-11-20 18:25:05,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 18:25:05,453 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2024-11-20 18:25:05,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:05,456 INFO L225 Difference]: With dead ends: 510 [2024-11-20 18:25:05,456 INFO L226 Difference]: Without dead ends: 509 [2024-11-20 18:25:05,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=287, Invalid=583, Unknown=0, NotChecked=0, Total=870 [2024-11-20 18:25:05,456 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 893 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:05,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 82 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-20 18:25:05,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-20 18:25:05,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 461. [2024-11-20 18:25:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 415 states have (on average 1.419277108433735) internal successors, (589), 449 states have internal predecessors, (589), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-20 18:25:05,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 609 transitions. [2024-11-20 18:25:05,491 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 609 transitions. Word has length 36 [2024-11-20 18:25:05,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:05,491 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 609 transitions. [2024-11-20 18:25:05,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:25:05,492 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 609 transitions. [2024-11-20 18:25:05,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-20 18:25:05,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:05,492 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:05,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-20 18:25:05,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:05,693 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:25:05,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:05,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1900023303, now seen corresponding path program 1 times [2024-11-20 18:25:05,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:05,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36801959] [2024-11-20 18:25:05,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:05,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:05,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [987826264] [2024-11-20 18:25:05,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:05,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:05,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:05,709 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:25:05,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-20 18:25:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:05,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-20 18:25:05,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:05,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:06,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:06,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36801959] [2024-11-20 18:25:06,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:06,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987826264] [2024-11-20 18:25:06,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987826264] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:25:06,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:25:06,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-20 18:25:06,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967274105] [2024-11-20 18:25:06,375 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:25:06,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:25:06,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:06,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:25:06,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:25:06,376 INFO L87 Difference]: Start difference. First operand 461 states and 609 transitions. Second operand has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:25:07,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:07,987 INFO L93 Difference]: Finished difference Result 473 states and 626 transitions. [2024-11-20 18:25:07,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 18:25:07,988 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2024-11-20 18:25:07,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:07,989 INFO L225 Difference]: With dead ends: 473 [2024-11-20 18:25:07,989 INFO L226 Difference]: Without dead ends: 472 [2024-11-20 18:25:07,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2024-11-20 18:25:07,990 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 584 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:07,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 77 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 18:25:07,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-20 18:25:08,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 463. [2024-11-20 18:25:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 417 states have (on average 1.4172661870503598) internal successors, (591), 451 states have internal predecessors, (591), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-20 18:25:08,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 611 transitions. [2024-11-20 18:25:08,021 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 611 transitions. Word has length 38 [2024-11-20 18:25:08,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:08,021 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 611 transitions. [2024-11-20 18:25:08,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:25:08,021 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 611 transitions. [2024-11-20 18:25:08,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-20 18:25:08,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:08,022 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:08,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-20 18:25:08,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-20 18:25:08,222 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:25:08,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:08,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1228819807, now seen corresponding path program 1 times [2024-11-20 18:25:08,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:08,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950578034] [2024-11-20 18:25:08,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:08,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:08,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1377183186] [2024-11-20 18:25:08,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:08,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:08,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:08,234 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:25:08,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-20 18:25:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:08,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-20 18:25:08,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:08,486 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:09,196 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:09,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:09,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950578034] [2024-11-20 18:25:09,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:09,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377183186] [2024-11-20 18:25:09,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377183186] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:25:09,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:25:09,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-20 18:25:09,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262011345] [2024-11-20 18:25:09,197 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:25:09,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 18:25:09,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:09,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 18:25:09,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:25:09,197 INFO L87 Difference]: Start difference. First operand 463 states and 611 transitions. Second operand has 16 states, 15 states have (on average 4.666666666666667) internal successors, (70), 16 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:25:17,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:25:18,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:18,602 INFO L93 Difference]: Finished difference Result 652 states and 872 transitions. [2024-11-20 18:25:18,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-20 18:25:18,603 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.666666666666667) internal successors, (70), 16 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2024-11-20 18:25:18,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:18,604 INFO L225 Difference]: With dead ends: 652 [2024-11-20 18:25:18,604 INFO L226 Difference]: Without dead ends: 647 [2024-11-20 18:25:18,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=315, Invalid=807, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 18:25:18,605 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 609 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:18,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 134 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1375 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2024-11-20 18:25:18,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-20 18:25:18,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 570. [2024-11-20 18:25:18,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 521 states have (on average 1.4126679462571976) internal successors, (736), 555 states have internal predecessors, (736), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 18:25:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 762 transitions. [2024-11-20 18:25:18,641 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 762 transitions. Word has length 39 [2024-11-20 18:25:18,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:18,642 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 762 transitions. [2024-11-20 18:25:18,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.666666666666667) internal successors, (70), 16 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:25:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 762 transitions. [2024-11-20 18:25:18,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-20 18:25:18,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:18,642 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:18,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-20 18:25:18,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:18,843 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:25:18,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:18,845 INFO L85 PathProgramCache]: Analyzing trace with hash -561291589, now seen corresponding path program 1 times [2024-11-20 18:25:18,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:18,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496924174] [2024-11-20 18:25:18,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:18,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:18,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1109580325] [2024-11-20 18:25:18,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:18,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:18,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:18,861 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:25:18,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-20 18:25:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:18,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-20 18:25:18,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:19,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:19,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:25:19,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:19,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496924174] [2024-11-20 18:25:19,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:19,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109580325] [2024-11-20 18:25:19,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109580325] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-20 18:25:19,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:25:19,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2024-11-20 18:25:19,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241796059] [2024-11-20 18:25:19,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:19,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:25:19,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:19,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:25:19,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:25:19,565 INFO L87 Difference]: Start difference. First operand 570 states and 762 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 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) [2024-11-20 18:25:20,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:20,483 INFO L93 Difference]: Finished difference Result 577 states and 769 transitions. [2024-11-20 18:25:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:25:20,484 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 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 40 [2024-11-20 18:25:20,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:20,485 INFO L225 Difference]: With dead ends: 577 [2024-11-20 18:25:20,485 INFO L226 Difference]: Without dead ends: 576 [2024-11-20 18:25:20,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:25:20,486 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 18 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:20,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 72 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 18:25:20,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2024-11-20 18:25:20,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 566. [2024-11-20 18:25:20,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 517 states have (on average 1.4100580270793037) internal successors, (729), 551 states have internal predecessors, (729), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 18:25:20,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 755 transitions. [2024-11-20 18:25:20,528 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 755 transitions. Word has length 40 [2024-11-20 18:25:20,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:20,528 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 755 transitions. [2024-11-20 18:25:20,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 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) [2024-11-20 18:25:20,529 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 755 transitions. [2024-11-20 18:25:20,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-20 18:25:20,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:20,529 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:20,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-20 18:25:20,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:20,730 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:25:20,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:20,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1130234423, now seen corresponding path program 1 times [2024-11-20 18:25:20,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:20,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992786965] [2024-11-20 18:25:20,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:20,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:20,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 18:25:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:20,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 18:25:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:20,782 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:25:20,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:20,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992786965] [2024-11-20 18:25:20,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992786965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:25:20,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:25:20,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:25:20,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821783905] [2024-11-20 18:25:20,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:25:20,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:25:20,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:20,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:25:20,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:25:20,784 INFO L87 Difference]: Start difference. First operand 566 states and 755 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:25:20,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:25:20,898 INFO L93 Difference]: Finished difference Result 573 states and 763 transitions. [2024-11-20 18:25:20,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:25:20,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2024-11-20 18:25:20,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:25:20,900 INFO L225 Difference]: With dead ends: 573 [2024-11-20 18:25:20,900 INFO L226 Difference]: Without dead ends: 570 [2024-11-20 18:25:20,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:25:20,901 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 39 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:25:20,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 87 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:25:20,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-20 18:25:20,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 563. [2024-11-20 18:25:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 517 states have (on average 1.390715667311412) internal successors, (719), 548 states have internal predecessors, (719), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 18:25:20,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 745 transitions. [2024-11-20 18:25:20,942 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 745 transitions. Word has length 46 [2024-11-20 18:25:20,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:25:20,942 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 745 transitions. [2024-11-20 18:25:20,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:25:20,942 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 745 transitions. [2024-11-20 18:25:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-20 18:25:20,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:25:20,942 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:25:20,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-20 18:25:20,943 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-20 18:25:20,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:25:20,943 INFO L85 PathProgramCache]: Analyzing trace with hash -677528632, now seen corresponding path program 1 times [2024-11-20 18:25:20,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:25:20,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790548034] [2024-11-20 18:25:20,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:20,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:25:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:25:20,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [47694637] [2024-11-20 18:25:20,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:25:20,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:25:20,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:25:20,971 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 18:25:20,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-20 18:25:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:25:21,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-20 18:25:21,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:25:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:25:36,818 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:25:48,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:25:48,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790548034] [2024-11-20 18:25:48,068 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:25:48,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47694637] [2024-11-20 18:25:48,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47694637] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:25:48,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:25:48,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-20 18:25:48,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793844293] [2024-11-20 18:25:48,068 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:25:48,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 18:25:48,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:25:48,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 18:25:48,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=454, Unknown=4, NotChecked=0, Total=600 [2024-11-20 18:25:48,069 INFO L87 Difference]: Start difference. First operand 563 states and 745 transitions. Second operand has 15 states, 14 states have (on average 2.857142857142857) internal successors, (40), 13 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 18:25:53,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:25:57,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-20 18:26:01,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]