./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.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 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:56:18,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:56:19,027 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:56:19,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:56:19,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:56:19,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:56:19,061 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:56:19,062 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:56:19,062 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:56:19,066 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:56:19,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:56:19,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:56:19,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:56:19,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:56:19,068 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:56:19,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:56:19,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:56:19,069 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:56:19,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:56:19,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:56:19,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:56:19,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:56:19,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:56:19,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:56:19,072 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:56:19,072 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:56:19,072 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:56:19,073 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:56:19,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:56:19,073 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:56:19,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:56:19,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:56:19,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:56:19,074 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:56:19,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:56:19,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:56:19,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:56:19,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:56:19,074 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:56:19,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:56:19,075 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:56:19,076 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:56:19,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:56:19,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:56:19,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f971bd1a6fba471cdece6d295ca31488341eb806ea8364f7549d05755c7a031 [2024-11-09 11:56:19,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:56:19,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:56:19,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:56:19,294 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:56:19,295 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:56:19,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2024-11-09 11:56:20,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:56:20,687 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:56:20,688 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound10.c [2024-11-09 11:56:20,693 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e7857b01/1b5cc879789d47559a1b6423107d0f84/FLAGbe8b54cdd [2024-11-09 11:56:20,703 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e7857b01/1b5cc879789d47559a1b6423107d0f84 [2024-11-09 11:56:20,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:56:20,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:56:20,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:56:20,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:56:20,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:56:20,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d5f766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20, skipping insertion in model container [2024-11-09 11:56:20,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:56:20,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:56:20,898 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:56:20,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:56:20,925 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:56:20,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20 WrapperNode [2024-11-09 11:56:20,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:56:20,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:56:20,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:56:20,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:56:20,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,952 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2024-11-09 11:56:20,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:56:20,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:56:20,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:56:20,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:56:20,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,964 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,974 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-09 11:56:20,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:56:20,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:56:20,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:56:20,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:56:20,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20" (1/1) ... [2024-11-09 11:56:20,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:56:20,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:21,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:56:21,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:56:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:56:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:56:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 11:56:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:56:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:56:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:56:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:56:21,100 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:56:21,103 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:56:21,360 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-09 11:56:21,360 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:56:21,373 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:56:21,373 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:56:21,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:56:21 BoogieIcfgContainer [2024-11-09 11:56:21,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:56:21,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:56:21,375 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:56:21,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:56:21,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:56:20" (1/3) ... [2024-11-09 11:56:21,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af1c238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:56:21, skipping insertion in model container [2024-11-09 11:56:21,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:56:20" (2/3) ... [2024-11-09 11:56:21,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2af1c238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:56:21, skipping insertion in model container [2024-11-09 11:56:21,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:56:21" (3/3) ... [2024-11-09 11:56:21,381 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2_unwindbound10.c [2024-11-09 11:56:21,395 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:56:21,395 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-09 11:56:21,444 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:56:21,449 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;@2cf5ec23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:56:21,449 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-09 11:56:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 45 states have (on average 1.8) internal successors, (81), 73 states have internal predecessors, (81), 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) [2024-11-09 11:56:21,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 11:56:21,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:21,457 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 11:56:21,458 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:21,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:21,462 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2024-11-09 11:56:21,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:21,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634333372] [2024-11-09 11:56:21,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:21,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:21,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:56:21,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:21,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634333372] [2024-11-09 11:56:21,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634333372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:21,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:21,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:21,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112415757] [2024-11-09 11:56:21,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:21,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:21,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:21,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:21,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:56:21,655 INFO L87 Difference]: Start difference. First operand has 82 states, 45 states have (on average 1.8) internal successors, (81), 73 states have internal predecessors, (81), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-09 11:56:21,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:21,735 INFO L93 Difference]: Finished difference Result 165 states and 202 transitions. [2024-11-09 11:56:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:21,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-09 11:56:21,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:21,744 INFO L225 Difference]: With dead ends: 165 [2024-11-09 11:56:21,744 INFO L226 Difference]: Without dead ends: 78 [2024-11-09 11:56:21,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:21,750 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 4 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:21,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 253 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:21,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-09 11:56:21,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-09 11:56:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 44 states have (on average 1.7272727272727273) internal successors, (76), 71 states have internal predecessors, (76), 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) [2024-11-09 11:56:21,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 86 transitions. [2024-11-09 11:56:21,828 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 86 transitions. Word has length 4 [2024-11-09 11:56:21,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:21,829 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 86 transitions. [2024-11-09 11:56:21,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-09 11:56:21,829 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2024-11-09 11:56:21,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 11:56:21,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:21,831 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:21,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:56:21,832 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:21,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:21,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1702780027, now seen corresponding path program 1 times [2024-11-09 11:56:21,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:21,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009521657] [2024-11-09 11:56:21,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:21,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:21,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730970720] [2024-11-09 11:56:21,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:21,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:21,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:21,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:21,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:56:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:21,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:21,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:22,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:56:22,008 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:22,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:22,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009521657] [2024-11-09 11:56:22,009 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:22,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730970720] [2024-11-09 11:56:22,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730970720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:22,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:22,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:22,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474515288] [2024-11-09 11:56:22,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:22,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:22,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:22,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:22,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:22,014 INFO L87 Difference]: Start difference. First operand 78 states and 86 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:56:22,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:22,108 INFO L93 Difference]: Finished difference Result 167 states and 191 transitions. [2024-11-09 11:56:22,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:22,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-11-09 11:56:22,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:22,112 INFO L225 Difference]: With dead ends: 167 [2024-11-09 11:56:22,113 INFO L226 Difference]: Without dead ends: 113 [2024-11-09 11:56:22,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:22,115 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 29 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:22,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 125 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:22,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-09 11:56:22,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 101. [2024-11-09 11:56:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.6774193548387097) internal successors, (104), 89 states have internal predecessors, (104), 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) [2024-11-09 11:56:22,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 124 transitions. [2024-11-09 11:56:22,130 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 124 transitions. Word has length 17 [2024-11-09 11:56:22,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:22,131 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 124 transitions. [2024-11-09 11:56:22,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:56:22,132 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2024-11-09 11:56:22,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:56:22,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:22,133 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:22,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:56:22,337 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 [2024-11-09 11:56:22,338 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:22,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:22,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1479522145, now seen corresponding path program 1 times [2024-11-09 11:56:22,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:22,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147332713] [2024-11-09 11:56:22,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:22,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:22,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:22,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:22,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:22,448 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:22,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:22,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147332713] [2024-11-09 11:56:22,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147332713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:22,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:22,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:22,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815182716] [2024-11-09 11:56:22,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:22,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:22,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:22,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:22,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:22,454 INFO L87 Difference]: Start difference. First operand 101 states and 124 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:22,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:22,514 INFO L93 Difference]: Finished difference Result 113 states and 131 transitions. [2024-11-09 11:56:22,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:22,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-09 11:56:22,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:22,516 INFO L225 Difference]: With dead ends: 113 [2024-11-09 11:56:22,516 INFO L226 Difference]: Without dead ends: 111 [2024-11-09 11:56:22,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:22,517 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 23 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:22,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 129 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:22,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-09 11:56:22,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 101. [2024-11-09 11:56:22,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.6451612903225807) internal successors, (102), 89 states have internal predecessors, (102), 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) [2024-11-09 11:56:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 122 transitions. [2024-11-09 11:56:22,530 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 122 transitions. Word has length 25 [2024-11-09 11:56:22,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:22,530 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 122 transitions. [2024-11-09 11:56:22,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:22,530 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 122 transitions. [2024-11-09 11:56:22,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 11:56:22,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:22,531 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:22,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:56:22,531 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:22,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:22,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1379452317, now seen corresponding path program 1 times [2024-11-09 11:56:22,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:22,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173056666] [2024-11-09 11:56:22,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:22,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:22,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:22,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:22,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:22,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:22,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:22,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173056666] [2024-11-09 11:56:22,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173056666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:22,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:22,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:56:22,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148209781] [2024-11-09 11:56:22,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:22,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:56:22,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:22,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:56:22,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:22,664 INFO L87 Difference]: Start difference. First operand 101 states and 122 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:22,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:22,743 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2024-11-09 11:56:22,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:56:22,744 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-11-09 11:56:22,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:22,745 INFO L225 Difference]: With dead ends: 124 [2024-11-09 11:56:22,747 INFO L226 Difference]: Without dead ends: 123 [2024-11-09 11:56:22,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:56:22,748 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 46 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:22,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 351 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:22,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-09 11:56:22,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 105. [2024-11-09 11:56:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 65 states have (on average 1.6) internal successors, (104), 92 states have internal predecessors, (104), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:56:22,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2024-11-09 11:56:22,759 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 26 [2024-11-09 11:56:22,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:22,760 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2024-11-09 11:56:22,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:22,760 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2024-11-09 11:56:22,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 11:56:22,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:22,761 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:22,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:56:22,761 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:22,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:22,761 INFO L85 PathProgramCache]: Analyzing trace with hash -186651056, now seen corresponding path program 1 times [2024-11-09 11:56:22,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:22,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139602531] [2024-11-09 11:56:22,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:22,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:22,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:22,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:22,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:22,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:22,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139602531] [2024-11-09 11:56:22,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139602531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:22,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:22,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:56:22,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83055179] [2024-11-09 11:56:22,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:22,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:56:22,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:22,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:56:22,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:22,850 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:22,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:22,913 INFO L93 Difference]: Finished difference Result 123 states and 139 transitions. [2024-11-09 11:56:22,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:56:22,913 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-11-09 11:56:22,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:22,914 INFO L225 Difference]: With dead ends: 123 [2024-11-09 11:56:22,914 INFO L226 Difference]: Without dead ends: 114 [2024-11-09 11:56:22,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:56:22,915 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 21 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:22,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 419 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:22,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-09 11:56:22,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2024-11-09 11:56:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 68 states have (on average 1.5441176470588236) internal successors, (105), 95 states have internal predecessors, (105), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:56:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2024-11-09 11:56:22,936 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 27 [2024-11-09 11:56:22,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:22,936 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2024-11-09 11:56:22,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:22,937 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2024-11-09 11:56:22,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:56:22,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:22,937 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:22,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:56:22,938 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:22,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:22,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1016964242, now seen corresponding path program 1 times [2024-11-09 11:56:22,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:22,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329722766] [2024-11-09 11:56:22,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:22,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:22,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2024705388] [2024-11-09 11:56:22,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:22,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:22,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:22,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:22,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:56:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:23,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:56:23,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:23,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:23,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:23,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:23,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329722766] [2024-11-09 11:56:23,045 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:23,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024705388] [2024-11-09 11:56:23,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024705388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:23,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:23,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:23,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219960443] [2024-11-09 11:56:23,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:23,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:23,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:23,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:23,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:23,047 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:23,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:23,116 INFO L93 Difference]: Finished difference Result 149 states and 175 transitions. [2024-11-09 11:56:23,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:23,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-09 11:56:23,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:23,119 INFO L225 Difference]: With dead ends: 149 [2024-11-09 11:56:23,122 INFO L226 Difference]: Without dead ends: 145 [2024-11-09 11:56:23,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:23,123 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 45 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:23,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 105 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:23,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-09 11:56:23,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2024-11-09 11:56:23,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 86 states have (on average 1.558139534883721) internal successors, (134), 113 states have internal predecessors, (134), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:23,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 158 transitions. [2024-11-09 11:56:23,163 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 158 transitions. Word has length 29 [2024-11-09 11:56:23,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:23,167 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 158 transitions. [2024-11-09 11:56:23,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 158 transitions. [2024-11-09 11:56:23,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:56:23,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:23,168 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:23,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:56:23,368 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,SelfDestructingSolverStorable5 [2024-11-09 11:56:23,369 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:23,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:23,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1443428317, now seen corresponding path program 1 times [2024-11-09 11:56:23,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:23,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498370982] [2024-11-09 11:56:23,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:23,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:23,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:23,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:23,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:23,472 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:23,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:23,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498370982] [2024-11-09 11:56:23,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498370982] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:23,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69674276] [2024-11-09 11:56:23,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:23,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:23,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:23,475 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:23,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:56:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:23,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:23,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:23,605 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:23,606 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:23,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69674276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:23,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:23,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-09 11:56:23,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801562283] [2024-11-09 11:56:23,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:23,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:23,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:23,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:23,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:56:23,609 INFO L87 Difference]: Start difference. First operand 129 states and 158 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:23,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:23,644 INFO L93 Difference]: Finished difference Result 138 states and 166 transitions. [2024-11-09 11:56:23,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:23,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2024-11-09 11:56:23,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:23,646 INFO L225 Difference]: With dead ends: 138 [2024-11-09 11:56:23,646 INFO L226 Difference]: Without dead ends: 137 [2024-11-09 11:56:23,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:56:23,647 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 19 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:23,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 198 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:23,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-09 11:56:23,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2024-11-09 11:56:23,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 89 states have (on average 1.5280898876404494) internal successors, (136), 115 states have internal predecessors, (136), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 160 transitions. [2024-11-09 11:56:23,657 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 160 transitions. Word has length 30 [2024-11-09 11:56:23,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:23,657 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 160 transitions. [2024-11-09 11:56:23,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:23,658 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2024-11-09 11:56:23,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:56:23,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:23,660 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:23,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:23,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:23,863 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:23,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:23,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1949904172, now seen corresponding path program 1 times [2024-11-09 11:56:23,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:23,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803602066] [2024-11-09 11:56:23,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:23,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:23,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1807656153] [2024-11-09 11:56:23,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:23,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:23,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:23,877 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:23,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:56:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:23,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:23,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:23,981 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:23,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:23,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803602066] [2024-11-09 11:56:23,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:23,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807656153] [2024-11-09 11:56:23,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807656153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:23,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:23,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:23,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273034541] [2024-11-09 11:56:23,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:23,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:23,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:23,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:23,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:23,983 INFO L87 Difference]: Start difference. First operand 132 states and 160 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:24,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:24,054 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2024-11-09 11:56:24,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:24,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-11-09 11:56:24,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:24,055 INFO L225 Difference]: With dead ends: 146 [2024-11-09 11:56:24,055 INFO L226 Difference]: Without dead ends: 144 [2024-11-09 11:56:24,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:24,056 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 38 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:24,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 96 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:24,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-09 11:56:24,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 133. [2024-11-09 11:56:24,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 90 states have (on average 1.5) internal successors, (135), 116 states have internal predecessors, (135), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2024-11-09 11:56:24,064 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 159 transitions. Word has length 31 [2024-11-09 11:56:24,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:24,064 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 159 transitions. [2024-11-09 11:56:24,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:24,064 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2024-11-09 11:56:24,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:56:24,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:24,065 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:24,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:56:24,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:24,265 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:24,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:24,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1796604826, now seen corresponding path program 1 times [2024-11-09 11:56:24,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:24,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768336453] [2024-11-09 11:56:24,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:24,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:24,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:24,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:24,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:24,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:24,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768336453] [2024-11-09 11:56:24,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768336453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:24,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345024257] [2024-11-09 11:56:24,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:24,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:24,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:24,332 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:24,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:56:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:24,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:24,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:24,416 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:24,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345024257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:24,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:24,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-09 11:56:24,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283248419] [2024-11-09 11:56:24,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:24,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:24,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:24,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:24,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:56:24,418 INFO L87 Difference]: Start difference. First operand 133 states and 159 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:24,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:24,482 INFO L93 Difference]: Finished difference Result 138 states and 164 transitions. [2024-11-09 11:56:24,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:24,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-11-09 11:56:24,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:24,483 INFO L225 Difference]: With dead ends: 138 [2024-11-09 11:56:24,483 INFO L226 Difference]: Without dead ends: 137 [2024-11-09 11:56:24,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:56:24,484 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 16 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:24,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 269 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:24,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-09 11:56:24,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2024-11-09 11:56:24,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 90 states have (on average 1.488888888888889) internal successors, (134), 115 states have internal predecessors, (134), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 158 transitions. [2024-11-09 11:56:24,495 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 158 transitions. Word has length 31 [2024-11-09 11:56:24,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:24,496 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 158 transitions. [2024-11-09 11:56:24,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:24,497 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 158 transitions. [2024-11-09 11:56:24,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 11:56:24,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:24,497 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:24,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:56:24,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:24,699 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:24,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:24,700 INFO L85 PathProgramCache]: Analyzing trace with hash -317487098, now seen corresponding path program 1 times [2024-11-09 11:56:24,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:24,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649517332] [2024-11-09 11:56:24,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:24,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:24,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:24,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:24,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:24,767 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:24,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:24,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649517332] [2024-11-09 11:56:24,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649517332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:24,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:24,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:56:24,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527655438] [2024-11-09 11:56:24,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:24,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:24,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:24,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:24,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:24,769 INFO L87 Difference]: Start difference. First operand 132 states and 158 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:25,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:25,038 INFO L93 Difference]: Finished difference Result 152 states and 184 transitions. [2024-11-09 11:56:25,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:56:25,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2024-11-09 11:56:25,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:25,041 INFO L225 Difference]: With dead ends: 152 [2024-11-09 11:56:25,041 INFO L226 Difference]: Without dead ends: 151 [2024-11-09 11:56:25,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:25,042 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 90 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:25,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 159 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:25,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-09 11:56:25,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 140. [2024-11-09 11:56:25,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 98 states have (on average 1.489795918367347) internal successors, (146), 123 states have internal predecessors, (146), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 11:56:25,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 170 transitions. [2024-11-09 11:56:25,052 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 170 transitions. Word has length 32 [2024-11-09 11:56:25,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:25,052 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 170 transitions. [2024-11-09 11:56:25,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:56:25,052 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2024-11-09 11:56:25,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:56:25,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:25,053 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:25,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:56:25,053 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:25,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:25,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1228116008, now seen corresponding path program 1 times [2024-11-09 11:56:25,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:25,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562809170] [2024-11-09 11:56:25,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:25,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:25,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:25,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562809170] [2024-11-09 11:56:25,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562809170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:25,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249575461] [2024-11-09 11:56:25,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:25,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:25,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:25,109 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:25,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:56:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:25,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:25,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:25,252 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 11:56:25,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249575461] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:25,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:25,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-09 11:56:25,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729999544] [2024-11-09 11:56:25,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:25,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:56:25,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:25,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:56:25,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:56:25,253 INFO L87 Difference]: Start difference. First operand 140 states and 170 transitions. Second operand has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:56:25,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:25,370 INFO L93 Difference]: Finished difference Result 281 states and 342 transitions. [2024-11-09 11:56:25,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:56:25,371 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 34 [2024-11-09 11:56:25,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:25,372 INFO L225 Difference]: With dead ends: 281 [2024-11-09 11:56:25,372 INFO L226 Difference]: Without dead ends: 202 [2024-11-09 11:56:25,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:56:25,373 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 79 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:25,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 539 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:25,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-09 11:56:25,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 180. [2024-11-09 11:56:25,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 130 states have (on average 1.476923076923077) internal successors, (192), 155 states have internal predecessors, (192), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 11:56:25,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 228 transitions. [2024-11-09 11:56:25,384 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 228 transitions. Word has length 34 [2024-11-09 11:56:25,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:25,384 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 228 transitions. [2024-11-09 11:56:25,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-09 11:56:25,384 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 228 transitions. [2024-11-09 11:56:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 11:56:25,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:25,385 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:25,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:56:25,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:25,586 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:25,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:25,586 INFO L85 PathProgramCache]: Analyzing trace with hash -572106330, now seen corresponding path program 1 times [2024-11-09 11:56:25,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:25,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544816318] [2024-11-09 11:56:25,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:25,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:25,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1188494690] [2024-11-09 11:56:25,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:25,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:25,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:25,595 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:25,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:56:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:25,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:25,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:56:25,709 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:25,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:25,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544816318] [2024-11-09 11:56:25,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:25,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188494690] [2024-11-09 11:56:25,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188494690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:25,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:25,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:56:25,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266812117] [2024-11-09 11:56:25,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:25,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:25,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:25,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:25,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:56:25,711 INFO L87 Difference]: Start difference. First operand 180 states and 228 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:25,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:25,788 INFO L93 Difference]: Finished difference Result 216 states and 267 transitions. [2024-11-09 11:56:25,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:25,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2024-11-09 11:56:25,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:25,790 INFO L225 Difference]: With dead ends: 216 [2024-11-09 11:56:25,790 INFO L226 Difference]: Without dead ends: 207 [2024-11-09 11:56:25,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:56:25,790 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 79 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:25,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 125 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:25,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-09 11:56:25,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 189. [2024-11-09 11:56:25,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 141 states have (on average 1.3971631205673758) internal successors, (197), 162 states have internal predecessors, (197), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 11:56:25,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 237 transitions. [2024-11-09 11:56:25,804 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 237 transitions. Word has length 43 [2024-11-09 11:56:25,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:25,805 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 237 transitions. [2024-11-09 11:56:25,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:25,805 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 237 transitions. [2024-11-09 11:56:25,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:56:25,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:25,807 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:25,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:26,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:26,007 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:26,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:26,008 INFO L85 PathProgramCache]: Analyzing trace with hash -555426994, now seen corresponding path program 1 times [2024-11-09 11:56:26,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:26,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182490418] [2024-11-09 11:56:26,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:26,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:26,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103336083] [2024-11-09 11:56:26,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:26,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:26,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:26,018 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:26,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:56:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:26,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:26,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:56:26,113 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:26,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:26,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182490418] [2024-11-09 11:56:26,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:26,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103336083] [2024-11-09 11:56:26,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103336083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:26,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:26,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-09 11:56:26,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817543578] [2024-11-09 11:56:26,452 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:26,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:26,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:26,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:26,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:26,453 INFO L87 Difference]: Start difference. First operand 189 states and 237 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:26,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:26,571 INFO L93 Difference]: Finished difference Result 286 states and 361 transitions. [2024-11-09 11:56:26,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:26,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-11-09 11:56:26,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:26,575 INFO L225 Difference]: With dead ends: 286 [2024-11-09 11:56:26,575 INFO L226 Difference]: Without dead ends: 282 [2024-11-09 11:56:26,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:26,575 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 66 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:26,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 166 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:26,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-09 11:56:26,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 250. [2024-11-09 11:56:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 196 states have (on average 1.433673469387755) internal successors, (281), 217 states have internal predecessors, (281), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 11:56:26,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 333 transitions. [2024-11-09 11:56:26,593 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 333 transitions. Word has length 44 [2024-11-09 11:56:26,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:26,593 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 333 transitions. [2024-11-09 11:56:26,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:26,593 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 333 transitions. [2024-11-09 11:56:26,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 11:56:26,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:26,595 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:26,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:26,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 11:56:26,801 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:26,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:26,801 INFO L85 PathProgramCache]: Analyzing trace with hash 2061591103, now seen corresponding path program 1 times [2024-11-09 11:56:26,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:26,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070131719] [2024-11-09 11:56:26,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:26,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:26,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:26,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:26,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:26,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:26,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:56:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:56:26,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:26,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070131719] [2024-11-09 11:56:26,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070131719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:26,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:26,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:56:26,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769944405] [2024-11-09 11:56:26,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:26,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:26,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:26,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:26,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:26,884 INFO L87 Difference]: Start difference. First operand 250 states and 333 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:26,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:26,977 INFO L93 Difference]: Finished difference Result 255 states and 337 transitions. [2024-11-09 11:56:26,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:26,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-11-09 11:56:26,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:26,979 INFO L225 Difference]: With dead ends: 255 [2024-11-09 11:56:26,979 INFO L226 Difference]: Without dead ends: 233 [2024-11-09 11:56:26,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:26,980 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 25 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:26,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 162 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:26,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-09 11:56:27,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-11-09 11:56:27,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 182 states have (on average 1.4615384615384615) internal successors, (266), 203 states have internal predecessors, (266), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 11:56:27,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 314 transitions. [2024-11-09 11:56:27,004 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 314 transitions. Word has length 49 [2024-11-09 11:56:27,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:27,005 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 314 transitions. [2024-11-09 11:56:27,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:56:27,005 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 314 transitions. [2024-11-09 11:56:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 11:56:27,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:27,006 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:27,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 11:56:27,006 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:27,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:27,006 INFO L85 PathProgramCache]: Analyzing trace with hash 183586240, now seen corresponding path program 1 times [2024-11-09 11:56:27,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:27,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343866606] [2024-11-09 11:56:27,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:27,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:27,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:27,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343866606] [2024-11-09 11:56:27,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343866606] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:27,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642433745] [2024-11-09 11:56:27,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:27,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:27,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:27,059 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:27,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:56:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:27,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:27,133 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:27,133 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:27,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642433745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:27,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:27,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 11:56:27,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991733874] [2024-11-09 11:56:27,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:27,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:27,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:27,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:27,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:27,134 INFO L87 Difference]: Start difference. First operand 233 states and 314 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:56:27,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:27,195 INFO L93 Difference]: Finished difference Result 336 states and 463 transitions. [2024-11-09 11:56:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:27,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-11-09 11:56:27,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:27,197 INFO L225 Difference]: With dead ends: 336 [2024-11-09 11:56:27,198 INFO L226 Difference]: Without dead ends: 334 [2024-11-09 11:56:27,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:27,198 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 82 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:27,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 140 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:27,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-09 11:56:27,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 306. [2024-11-09 11:56:27,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 248 states have (on average 1.4838709677419355) internal successors, (368), 268 states have internal predecessors, (368), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 11:56:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 432 transitions. [2024-11-09 11:56:27,212 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 432 transitions. Word has length 51 [2024-11-09 11:56:27,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:27,212 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 432 transitions. [2024-11-09 11:56:27,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:56:27,212 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 432 transitions. [2024-11-09 11:56:27,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:56:27,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:27,213 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:27,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:56:27,413 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,SelfDestructingSolverStorable14 [2024-11-09 11:56:27,414 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:27,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:27,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1396204700, now seen corresponding path program 1 times [2024-11-09 11:56:27,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:27,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851833966] [2024-11-09 11:56:27,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:27,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:27,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:27,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851833966] [2024-11-09 11:56:27,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851833966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:27,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489061427] [2024-11-09 11:56:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:27,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:27,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:27,501 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:27,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:56:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:56:27,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:56:27,632 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:27,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489061427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:27,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:27,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-11-09 11:56:27,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662504484] [2024-11-09 11:56:27,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:27,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:56:27,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:27,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:56:27,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:56:27,633 INFO L87 Difference]: Start difference. First operand 306 states and 432 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:56:27,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:27,704 INFO L93 Difference]: Finished difference Result 306 states and 432 transitions. [2024-11-09 11:56:27,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:27,705 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), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2024-11-09 11:56:27,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:27,707 INFO L225 Difference]: With dead ends: 306 [2024-11-09 11:56:27,707 INFO L226 Difference]: Without dead ends: 305 [2024-11-09 11:56:27,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:56:27,708 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 110 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:27,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 249 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:27,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-09 11:56:27,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2024-11-09 11:56:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 248 states have (on average 1.435483870967742) internal successors, (356), 267 states have internal predecessors, (356), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 11:56:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 420 transitions. [2024-11-09 11:56:27,730 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 420 transitions. Word has length 52 [2024-11-09 11:56:27,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:27,731 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 420 transitions. [2024-11-09 11:56:27,731 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), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:56:27,731 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 420 transitions. [2024-11-09 11:56:27,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:56:27,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:27,732 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:27,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:56:27,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 11:56:27,933 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:27,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:27,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1396206206, now seen corresponding path program 1 times [2024-11-09 11:56:27,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:27,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347095599] [2024-11-09 11:56:27,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:27,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:27,988 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:27,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:27,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347095599] [2024-11-09 11:56:27,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347095599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:27,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072249560] [2024-11-09 11:56:27,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:27,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:27,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:27,990 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:27,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:56:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:28,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:28,070 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:28,070 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:28,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072249560] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:28,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:28,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 11:56:28,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970688737] [2024-11-09 11:56:28,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:28,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:56:28,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:28,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:56:28,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:28,120 INFO L87 Difference]: Start difference. First operand 305 states and 420 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:56:28,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:28,248 INFO L93 Difference]: Finished difference Result 472 states and 642 transitions. [2024-11-09 11:56:28,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:56:28,249 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 52 [2024-11-09 11:56:28,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:28,251 INFO L225 Difference]: With dead ends: 472 [2024-11-09 11:56:28,251 INFO L226 Difference]: Without dead ends: 470 [2024-11-09 11:56:28,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:28,251 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 157 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:28,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 278 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:28,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-09 11:56:28,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 411. [2024-11-09 11:56:28,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 341 states have (on average 1.4486803519061584) internal successors, (494), 360 states have internal predecessors, (494), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:56:28,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 584 transitions. [2024-11-09 11:56:28,269 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 584 transitions. Word has length 52 [2024-11-09 11:56:28,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:28,269 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 584 transitions. [2024-11-09 11:56:28,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:56:28,269 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 584 transitions. [2024-11-09 11:56:28,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 11:56:28,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:28,270 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:28,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:56:28,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 11:56:28,475 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:28,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:28,475 INFO L85 PathProgramCache]: Analyzing trace with hash 332672817, now seen corresponding path program 1 times [2024-11-09 11:56:28,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:28,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390266363] [2024-11-09 11:56:28,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:28,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:28,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:28,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390266363] [2024-11-09 11:56:28,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390266363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:28,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929387742] [2024-11-09 11:56:28,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:28,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:28,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:28,561 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:28,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:56:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:28,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:56:28,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:56:28,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 11:56:28,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929387742] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:28,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:28,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-11-09 11:56:28,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315937382] [2024-11-09 11:56:28,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:28,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 11:56:28,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:28,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 11:56:28,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:56:28,797 INFO L87 Difference]: Start difference. First operand 411 states and 584 transitions. Second operand has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-09 11:56:29,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:29,033 INFO L93 Difference]: Finished difference Result 475 states and 638 transitions. [2024-11-09 11:56:29,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 11:56:29,034 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 53 [2024-11-09 11:56:29,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:29,036 INFO L225 Difference]: With dead ends: 475 [2024-11-09 11:56:29,036 INFO L226 Difference]: Without dead ends: 469 [2024-11-09 11:56:29,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2024-11-09 11:56:29,036 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 223 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:29,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 606 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:29,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-09 11:56:29,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 440. [2024-11-09 11:56:29,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 368 states have (on average 1.4048913043478262) internal successors, (517), 387 states have internal predecessors, (517), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-09 11:56:29,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 607 transitions. [2024-11-09 11:56:29,056 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 607 transitions. Word has length 53 [2024-11-09 11:56:29,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:29,056 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 607 transitions. [2024-11-09 11:56:29,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-09 11:56:29,057 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 607 transitions. [2024-11-09 11:56:29,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 11:56:29,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:29,057 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-09 11:56:29,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:56:29,257 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,SelfDestructingSolverStorable17 [2024-11-09 11:56:29,258 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:29,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:29,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1127241869, now seen corresponding path program 2 times [2024-11-09 11:56:29,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:29,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951480857] [2024-11-09 11:56:29,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:29,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:29,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2058752082] [2024-11-09 11:56:29,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:56:29,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:29,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:29,269 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:29,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:56:29,308 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:56:29,308 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:56:29,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:56:29,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:29,400 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:29,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:29,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951480857] [2024-11-09 11:56:29,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:29,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058752082] [2024-11-09 11:56:29,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058752082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:29,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:29,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:56:29,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205380914] [2024-11-09 11:56:29,693 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:29,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:29,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:29,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:29,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:29,694 INFO L87 Difference]: Start difference. First operand 440 states and 607 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:56:29,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:29,827 INFO L93 Difference]: Finished difference Result 581 states and 792 transitions. [2024-11-09 11:56:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:29,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 70 [2024-11-09 11:56:29,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:29,830 INFO L225 Difference]: With dead ends: 581 [2024-11-09 11:56:29,830 INFO L226 Difference]: Without dead ends: 577 [2024-11-09 11:56:29,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:29,830 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 114 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:29,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 182 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:29,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-09 11:56:29,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 490. [2024-11-09 11:56:29,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 412 states have (on average 1.3907766990291262) internal successors, (573), 431 states have internal predecessors, (573), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 11:56:29,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 675 transitions. [2024-11-09 11:56:29,851 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 675 transitions. Word has length 70 [2024-11-09 11:56:29,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:29,851 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 675 transitions. [2024-11-09 11:56:29,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:56:29,851 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 675 transitions. [2024-11-09 11:56:29,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 11:56:29,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:29,852 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:29,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:30,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:30,054 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:30,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:30,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1248924324, now seen corresponding path program 1 times [2024-11-09 11:56:30,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:30,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925737403] [2024-11-09 11:56:30,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:30,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 11:56:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,111 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-09 11:56:30,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:30,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925737403] [2024-11-09 11:56:30,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925737403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:30,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:30,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:56:30,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040249354] [2024-11-09 11:56:30,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:30,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:30,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:30,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:30,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:30,112 INFO L87 Difference]: Start difference. First operand 490 states and 675 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:30,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:30,173 INFO L93 Difference]: Finished difference Result 490 states and 675 transitions. [2024-11-09 11:56:30,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:30,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 77 [2024-11-09 11:56:30,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:30,174 INFO L225 Difference]: With dead ends: 490 [2024-11-09 11:56:30,175 INFO L226 Difference]: Without dead ends: 489 [2024-11-09 11:56:30,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:56:30,175 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:30,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 114 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-09 11:56:30,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2024-11-09 11:56:30,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 412 states have (on average 1.3713592233009708) internal successors, (565), 430 states have internal predecessors, (565), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 11:56:30,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 667 transitions. [2024-11-09 11:56:30,194 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 667 transitions. Word has length 77 [2024-11-09 11:56:30,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:30,194 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 667 transitions. [2024-11-09 11:56:30,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:30,194 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 667 transitions. [2024-11-09 11:56:30,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 11:56:30,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:30,194 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:30,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 11:56:30,195 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:30,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:30,195 INFO L85 PathProgramCache]: Analyzing trace with hash 61948496, now seen corresponding path program 1 times [2024-11-09 11:56:30,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:30,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453026323] [2024-11-09 11:56:30,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:30,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 11:56:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:30,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:30,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453026323] [2024-11-09 11:56:30,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453026323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:30,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985403951] [2024-11-09 11:56:30,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:30,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:30,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:30,323 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:30,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:56:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:56:30,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:30,504 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:30,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985403951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:30,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:30,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:56:30,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950669908] [2024-11-09 11:56:30,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:30,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:30,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:30,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:30,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:56:30,506 INFO L87 Difference]: Start difference. First operand 489 states and 667 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:56:30,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:30,580 INFO L93 Difference]: Finished difference Result 514 states and 689 transitions. [2024-11-09 11:56:30,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:30,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2024-11-09 11:56:30,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:30,582 INFO L225 Difference]: With dead ends: 514 [2024-11-09 11:56:30,582 INFO L226 Difference]: Without dead ends: 513 [2024-11-09 11:56:30,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:56:30,583 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 40 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:30,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 126 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:30,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-11-09 11:56:30,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 489. [2024-11-09 11:56:30,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 412 states have (on average 1.3616504854368932) internal successors, (561), 430 states have internal predecessors, (561), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 11:56:30,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 663 transitions. [2024-11-09 11:56:30,605 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 663 transitions. Word has length 78 [2024-11-09 11:56:30,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:30,606 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 663 transitions. [2024-11-09 11:56:30,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:56:30,606 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 663 transitions. [2024-11-09 11:56:30,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 11:56:30,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:30,607 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:30,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 11:56:30,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:30,811 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:30,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:30,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1920403494, now seen corresponding path program 1 times [2024-11-09 11:56:30,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:30,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768849180] [2024-11-09 11:56:30,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:30,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 11:56:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:30,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:30,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768849180] [2024-11-09 11:56:30,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768849180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:30,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265517292] [2024-11-09 11:56:30,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:30,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:30,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:30,925 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:30,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:56:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:30,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:30,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:31,113 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-09 11:56:31,114 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:31,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265517292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:31,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:31,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-09 11:56:31,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760171622] [2024-11-09 11:56:31,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:31,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:31,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:31,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:31,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:56:31,115 INFO L87 Difference]: Start difference. First operand 489 states and 663 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:31,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:31,311 INFO L93 Difference]: Finished difference Result 522 states and 700 transitions. [2024-11-09 11:56:31,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:31,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 79 [2024-11-09 11:56:31,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:31,315 INFO L225 Difference]: With dead ends: 522 [2024-11-09 11:56:31,315 INFO L226 Difference]: Without dead ends: 521 [2024-11-09 11:56:31,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:56:31,316 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 72 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:31,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 160 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:31,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-09 11:56:31,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 501. [2024-11-09 11:56:31,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 424 states have (on average 1.3514150943396226) internal successors, (573), 442 states have internal predecessors, (573), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 11:56:31,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 675 transitions. [2024-11-09 11:56:31,344 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 675 transitions. Word has length 79 [2024-11-09 11:56:31,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:31,345 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 675 transitions. [2024-11-09 11:56:31,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:31,345 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 675 transitions. [2024-11-09 11:56:31,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 11:56:31,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:31,345 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:31,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:56:31,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:31,549 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:31,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:31,550 INFO L85 PathProgramCache]: Analyzing trace with hash -597033710, now seen corresponding path program 1 times [2024-11-09 11:56:31,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:31,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983397316] [2024-11-09 11:56:31,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:31,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 11:56:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:31,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:31,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983397316] [2024-11-09 11:56:31,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983397316] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:31,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534808201] [2024-11-09 11:56:31,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:31,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:31,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:31,672 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:31,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:56:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:31,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:56:31,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:31,829 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-09 11:56:31,829 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:31,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534808201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:31,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:31,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 11:56:31,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202065989] [2024-11-09 11:56:31,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:31,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:56:31,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:31,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:56:31,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:31,830 INFO L87 Difference]: Start difference. First operand 501 states and 675 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:31,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:31,967 INFO L93 Difference]: Finished difference Result 517 states and 688 transitions. [2024-11-09 11:56:31,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:56:31,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 80 [2024-11-09 11:56:31,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:31,970 INFO L225 Difference]: With dead ends: 517 [2024-11-09 11:56:31,970 INFO L226 Difference]: Without dead ends: 515 [2024-11-09 11:56:31,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:56:31,970 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 54 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:31,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 84 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:31,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-09 11:56:31,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 505. [2024-11-09 11:56:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 428 states have (on average 1.3294392523364487) internal successors, (569), 446 states have internal predecessors, (569), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-09 11:56:31,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 671 transitions. [2024-11-09 11:56:31,998 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 671 transitions. Word has length 80 [2024-11-09 11:56:31,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:31,998 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 671 transitions. [2024-11-09 11:56:31,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:31,998 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 671 transitions. [2024-11-09 11:56:31,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 11:56:31,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:31,999 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:32,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:56:32,202 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,SelfDestructingSolverStorable22 [2024-11-09 11:56:32,202 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:32,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:32,203 INFO L85 PathProgramCache]: Analyzing trace with hash -2120348990, now seen corresponding path program 1 times [2024-11-09 11:56:32,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:32,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75649134] [2024-11-09 11:56:32,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:32,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 11:56:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,323 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:56:32,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:32,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75649134] [2024-11-09 11:56:32,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75649134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:32,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365258625] [2024-11-09 11:56:32,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:32,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:32,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:32,325 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) [2024-11-09 11:56:32,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:56:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:32,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:56:32,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:56:32,460 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 11:56:32,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365258625] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:32,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:32,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-11-09 11:56:32,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079948225] [2024-11-09 11:56:32,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:32,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 11:56:32,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:32,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 11:56:32,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:56:32,604 INFO L87 Difference]: Start difference. First operand 505 states and 671 transitions. Second operand has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 21 states have internal predecessors, (92), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-09 11:56:32,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:32,915 INFO L93 Difference]: Finished difference Result 702 states and 911 transitions. [2024-11-09 11:56:32,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 11:56:32,915 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 21 states have internal predecessors, (92), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 84 [2024-11-09 11:56:32,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:32,917 INFO L225 Difference]: With dead ends: 702 [2024-11-09 11:56:32,917 INFO L226 Difference]: Without dead ends: 569 [2024-11-09 11:56:32,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=355, Invalid=1127, Unknown=0, NotChecked=0, Total=1482 [2024-11-09 11:56:32,919 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 153 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:32,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 643 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:32,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-11-09 11:56:32,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 551. [2024-11-09 11:56:32,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 464 states have (on average 1.3060344827586208) internal successors, (606), 482 states have internal predecessors, (606), 57 states have call successors, (57), 11 states have call predecessors, (57), 11 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-09 11:56:32,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 720 transitions. [2024-11-09 11:56:32,950 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 720 transitions. Word has length 84 [2024-11-09 11:56:32,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:32,951 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 720 transitions. [2024-11-09 11:56:32,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 21 states have internal predecessors, (92), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-09 11:56:32,952 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 720 transitions. [2024-11-09 11:56:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 11:56:32,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:32,952 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:32,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:56:33,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:33,156 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:33,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:33,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1512789275, now seen corresponding path program 1 times [2024-11-09 11:56:33,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:33,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875696687] [2024-11-09 11:56:33,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:33,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:33,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [348160057] [2024-11-09 11:56:33,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:33,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:33,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:33,186 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) [2024-11-09 11:56:33,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:56:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:33,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:56:33,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-09 11:56:33,431 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:33,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:33,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875696687] [2024-11-09 11:56:33,847 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:33,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348160057] [2024-11-09 11:56:33,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348160057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:33,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:33,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:56:33,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095591694] [2024-11-09 11:56:33,848 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:33,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:56:33,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:33,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:56:33,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:56:33,849 INFO L87 Difference]: Start difference. First operand 551 states and 720 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:34,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:34,034 INFO L93 Difference]: Finished difference Result 677 states and 903 transitions. [2024-11-09 11:56:34,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:56:34,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2024-11-09 11:56:34,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:34,037 INFO L225 Difference]: With dead ends: 677 [2024-11-09 11:56:34,037 INFO L226 Difference]: Without dead ends: 676 [2024-11-09 11:56:34,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:56:34,038 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 88 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:34,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 151 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:34,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-11-09 11:56:34,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 632. [2024-11-09 11:56:34,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 539 states have (on average 1.3320964749536177) internal successors, (718), 557 states have internal predecessors, (718), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-09 11:56:34,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 844 transitions. [2024-11-09 11:56:34,073 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 844 transitions. Word has length 85 [2024-11-09 11:56:34,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:34,073 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 844 transitions. [2024-11-09 11:56:34,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:34,074 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 844 transitions. [2024-11-09 11:56:34,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 11:56:34,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:34,075 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:34,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 11:56:34,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:34,280 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:34,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:34,280 INFO L85 PathProgramCache]: Analyzing trace with hash -348172645, now seen corresponding path program 1 times [2024-11-09 11:56:34,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:34,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651649396] [2024-11-09 11:56:34,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:34,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:34,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [241717544] [2024-11-09 11:56:34,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:34,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:34,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:34,294 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) [2024-11-09 11:56:34,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:56:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:34,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:56:34,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:34,495 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-09 11:56:34,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:35,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:35,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651649396] [2024-11-09 11:56:35,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:35,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241717544] [2024-11-09 11:56:35,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241717544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:35,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:35,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:56:35,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799078275] [2024-11-09 11:56:35,324 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:35,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:35,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:35,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:35,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:56:35,326 INFO L87 Difference]: Start difference. First operand 632 states and 844 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:35,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:35,444 INFO L93 Difference]: Finished difference Result 642 states and 849 transitions. [2024-11-09 11:56:35,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:56:35,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2024-11-09 11:56:35,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:35,447 INFO L225 Difference]: With dead ends: 642 [2024-11-09 11:56:35,447 INFO L226 Difference]: Without dead ends: 639 [2024-11-09 11:56:35,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:56:35,447 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 71 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:35,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 94 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:35,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2024-11-09 11:56:35,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 630. [2024-11-09 11:56:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 539 states have (on average 1.2838589981447124) internal successors, (692), 555 states have internal predecessors, (692), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-09 11:56:35,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 818 transitions. [2024-11-09 11:56:35,477 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 818 transitions. Word has length 86 [2024-11-09 11:56:35,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:35,477 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 818 transitions. [2024-11-09 11:56:35,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:35,477 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 818 transitions. [2024-11-09 11:56:35,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 11:56:35,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:35,478 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:35,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 11:56:35,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:35,683 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:35,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:35,683 INFO L85 PathProgramCache]: Analyzing trace with hash 2091549981, now seen corresponding path program 1 times [2024-11-09 11:56:35,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:35,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301052048] [2024-11-09 11:56:35,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:35,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 11:56:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:35,746 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-09 11:56:35,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:35,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301052048] [2024-11-09 11:56:35,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301052048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:35,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:35,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:56:35,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199491476] [2024-11-09 11:56:35,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:35,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:35,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:35,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:35,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:35,747 INFO L87 Difference]: Start difference. First operand 630 states and 818 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:36,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:36,189 INFO L93 Difference]: Finished difference Result 639 states and 826 transitions. [2024-11-09 11:56:36,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:56:36,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 87 [2024-11-09 11:56:36,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:36,192 INFO L225 Difference]: With dead ends: 639 [2024-11-09 11:56:36,192 INFO L226 Difference]: Without dead ends: 638 [2024-11-09 11:56:36,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:56:36,192 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 71 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:36,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 174 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:56:36,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-09 11:56:36,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 629. [2024-11-09 11:56:36,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 539 states have (on average 1.25417439703154) internal successors, (676), 554 states have internal predecessors, (676), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-09 11:56:36,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 802 transitions. [2024-11-09 11:56:36,232 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 802 transitions. Word has length 87 [2024-11-09 11:56:36,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:36,232 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 802 transitions. [2024-11-09 11:56:36,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:36,233 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 802 transitions. [2024-11-09 11:56:36,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 11:56:36,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:36,234 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:36,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 11:56:36,234 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:36,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:36,234 INFO L85 PathProgramCache]: Analyzing trace with hash 413540061, now seen corresponding path program 1 times [2024-11-09 11:56:36,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:36,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712340445] [2024-11-09 11:56:36,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:36,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 11:56:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,382 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:36,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:36,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712340445] [2024-11-09 11:56:36,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712340445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:36,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904484536] [2024-11-09 11:56:36,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:36,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:36,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:36,384 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) [2024-11-09 11:56:36,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:56:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:36,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:56:36,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:36,762 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 11:56:36,763 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:41,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904484536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:41,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:56:41,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-09 11:56:41,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100724385] [2024-11-09 11:56:41,473 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:41,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:56:41,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:41,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:56:41,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=314, Unknown=1, NotChecked=0, Total=380 [2024-11-09 11:56:41,474 INFO L87 Difference]: Start difference. First operand 629 states and 802 transitions. Second operand has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 11:56:42,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:42,823 INFO L93 Difference]: Finished difference Result 956 states and 1254 transitions. [2024-11-09 11:56:42,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 11:56:42,823 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 88 [2024-11-09 11:56:42,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:42,828 INFO L225 Difference]: With dead ends: 956 [2024-11-09 11:56:42,828 INFO L226 Difference]: Without dead ends: 947 [2024-11-09 11:56:42,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=353, Invalid=1286, Unknown=1, NotChecked=0, Total=1640 [2024-11-09 11:56:42,831 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 557 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:42,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 416 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:56:42,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2024-11-09 11:56:42,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 742. [2024-11-09 11:56:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 642 states have (on average 1.264797507788162) internal successors, (812), 657 states have internal predecessors, (812), 73 states have call successors, (73), 11 states have call predecessors, (73), 11 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-09 11:56:42,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 958 transitions. [2024-11-09 11:56:42,872 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 958 transitions. Word has length 88 [2024-11-09 11:56:42,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:42,872 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 958 transitions. [2024-11-09 11:56:42,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-09 11:56:42,872 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 958 transitions. [2024-11-09 11:56:42,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 11:56:42,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:42,873 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:42,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:43,074 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,SelfDestructingSolverStorable27 [2024-11-09 11:56:43,074 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:43,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:43,074 INFO L85 PathProgramCache]: Analyzing trace with hash 756202172, now seen corresponding path program 1 times [2024-11-09 11:56:43,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:43,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485954653] [2024-11-09 11:56:43,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:43,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:43,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1049345852] [2024-11-09 11:56:43,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:43,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:43,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:43,092 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) [2024-11-09 11:56:43,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:56:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:43,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 11:56:43,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:43,460 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 3 proven. 47 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-09 11:56:43,460 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:43,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:43,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485954653] [2024-11-09 11:56:43,862 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:43,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049345852] [2024-11-09 11:56:43,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049345852] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:43,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:43,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:56:43,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548500490] [2024-11-09 11:56:43,863 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:43,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:56:43,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:43,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:56:43,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:56:43,864 INFO L87 Difference]: Start difference. First operand 742 states and 958 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:56:44,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:44,235 INFO L93 Difference]: Finished difference Result 766 states and 973 transitions. [2024-11-09 11:56:44,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:56:44,236 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 102 [2024-11-09 11:56:44,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:44,238 INFO L225 Difference]: With dead ends: 766 [2024-11-09 11:56:44,238 INFO L226 Difference]: Without dead ends: 591 [2024-11-09 11:56:44,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:56:44,239 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 20 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:44,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 321 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:56:44,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-09 11:56:44,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 589. [2024-11-09 11:56:44,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 501 states have (on average 1.253493013972056) internal successors, (628), 516 states have internal predecessors, (628), 61 states have call successors, (61), 11 states have call predecessors, (61), 11 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-09 11:56:44,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 750 transitions. [2024-11-09 11:56:44,271 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 750 transitions. Word has length 102 [2024-11-09 11:56:44,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:44,272 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 750 transitions. [2024-11-09 11:56:44,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 11:56:44,272 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 750 transitions. [2024-11-09 11:56:44,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 11:56:44,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:44,273 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:44,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:44,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 11:56:44,474 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:44,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:44,474 INFO L85 PathProgramCache]: Analyzing trace with hash 860818430, now seen corresponding path program 1 times [2024-11-09 11:56:44,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:44,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797653837] [2024-11-09 11:56:44,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:44,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 11:56:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 11:56:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-09 11:56:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 11:56:44,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:44,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797653837] [2024-11-09 11:56:44,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797653837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:44,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:56:44,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:56:44,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766437961] [2024-11-09 11:56:44,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:44,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:56:44,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:44,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:56:44,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:56:44,563 INFO L87 Difference]: Start difference. First operand 589 states and 750 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:56:44,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:44,990 INFO L93 Difference]: Finished difference Result 593 states and 751 transitions. [2024-11-09 11:56:44,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:56:44,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2024-11-09 11:56:44,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:44,993 INFO L225 Difference]: With dead ends: 593 [2024-11-09 11:56:44,993 INFO L226 Difference]: Without dead ends: 550 [2024-11-09 11:56:44,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:56:44,994 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 32 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:44,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 230 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:56:44,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-09 11:56:45,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 545. [2024-11-09 11:56:45,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 463 states have (on average 1.2699784017278617) internal successors, (588), 477 states have internal predecessors, (588), 57 states have call successors, (57), 10 states have call predecessors, (57), 10 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-09 11:56:45,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 702 transitions. [2024-11-09 11:56:45,032 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 702 transitions. Word has length 104 [2024-11-09 11:56:45,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:45,032 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 702 transitions. [2024-11-09 11:56:45,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:56:45,032 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 702 transitions. [2024-11-09 11:56:45,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 11:56:45,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:45,033 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1] [2024-11-09 11:56:45,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 11:56:45,033 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:45,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:45,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1673457858, now seen corresponding path program 1 times [2024-11-09 11:56:45,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:45,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979835127] [2024-11-09 11:56:45,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:45,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 11:56:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:56:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 11:56:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 11:56:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,104 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:56:45,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:45,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979835127] [2024-11-09 11:56:45,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979835127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:45,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586434852] [2024-11-09 11:56:45,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:45,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:45,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:45,107 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) [2024-11-09 11:56:45,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:56:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:45,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:45,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:56:45,218 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:45,329 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 11:56:45,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586434852] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:45,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:45,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-09 11:56:45,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313287570] [2024-11-09 11:56:45,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:45,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:56:45,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:45,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:56:45,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:56:45,331 INFO L87 Difference]: Start difference. First operand 545 states and 702 transitions. Second operand has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 11:56:45,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:45,573 INFO L93 Difference]: Finished difference Result 1065 states and 1359 transitions. [2024-11-09 11:56:45,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:56:45,573 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 106 [2024-11-09 11:56:45,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:45,577 INFO L225 Difference]: With dead ends: 1065 [2024-11-09 11:56:45,577 INFO L226 Difference]: Without dead ends: 1063 [2024-11-09 11:56:45,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:56:45,578 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 326 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:45,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 483 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:45,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2024-11-09 11:56:45,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 705. [2024-11-09 11:56:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 605 states have (on average 1.2793388429752066) internal successors, (774), 619 states have internal predecessors, (774), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 11:56:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 924 transitions. [2024-11-09 11:56:45,615 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 924 transitions. Word has length 106 [2024-11-09 11:56:45,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:45,619 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 924 transitions. [2024-11-09 11:56:45,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 11:56:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 924 transitions. [2024-11-09 11:56:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 11:56:45,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:45,620 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:45,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:45,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:45,821 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:45,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:45,821 INFO L85 PathProgramCache]: Analyzing trace with hash 83491228, now seen corresponding path program 2 times [2024-11-09 11:56:45,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:45,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790968935] [2024-11-09 11:56:45,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:45,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:56:45,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1615859537] [2024-11-09 11:56:45,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:56:45,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:45,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:45,839 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) [2024-11-09 11:56:45,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:56:45,892 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:56:45,892 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:56:45,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:56:45,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:46,383 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 11:56:46,384 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:47,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:47,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790968935] [2024-11-09 11:56:47,119 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:56:47,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615859537] [2024-11-09 11:56:47,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615859537] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:47,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:47,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:56:47,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199219468] [2024-11-09 11:56:47,119 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:47,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:56:47,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:47,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:56:47,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:56:47,121 INFO L87 Difference]: Start difference. First operand 705 states and 924 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:56:47,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:47,636 INFO L93 Difference]: Finished difference Result 733 states and 959 transitions. [2024-11-09 11:56:47,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:56:47,637 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 114 [2024-11-09 11:56:47,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:47,640 INFO L225 Difference]: With dead ends: 733 [2024-11-09 11:56:47,640 INFO L226 Difference]: Without dead ends: 732 [2024-11-09 11:56:47,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:56:47,640 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 34 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:47,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 456 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:56:47,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-11-09 11:56:47,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 705. [2024-11-09 11:56:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 605 states have (on average 1.2776859504132232) internal successors, (773), 619 states have internal predecessors, (773), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 11:56:47,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 923 transitions. [2024-11-09 11:56:47,677 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 923 transitions. Word has length 114 [2024-11-09 11:56:47,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:47,677 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 923 transitions. [2024-11-09 11:56:47,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-09 11:56:47,678 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 923 transitions. [2024-11-09 11:56:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-09 11:56:47,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:47,679 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:47,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:47,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:47,880 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:47,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:47,880 INFO L85 PathProgramCache]: Analyzing trace with hash 2012031011, now seen corresponding path program 1 times [2024-11-09 11:56:47,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:47,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601462501] [2024-11-09 11:56:47,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:47,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 11:56:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:56:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 11:56:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 11:56:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:56:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:47,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:48,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601462501] [2024-11-09 11:56:48,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601462501] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:48,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154003482] [2024-11-09 11:56:48,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:48,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:48,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:48,003 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:48,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:56:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:48,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-11-09 11:56:48,231 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:56:48,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154003482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:56:48,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:56:48,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-09 11:56:48,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732418879] [2024-11-09 11:56:48,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:56:48,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:56:48,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:48,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:56:48,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:48,233 INFO L87 Difference]: Start difference. First operand 705 states and 923 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:48,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:48,289 INFO L93 Difference]: Finished difference Result 711 states and 925 transitions. [2024-11-09 11:56:48,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:56:48,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 127 [2024-11-09 11:56:48,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:48,292 INFO L225 Difference]: With dead ends: 711 [2024-11-09 11:56:48,292 INFO L226 Difference]: Without dead ends: 706 [2024-11-09 11:56:48,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:48,292 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 10 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:48,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 83 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:56:48,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-09 11:56:48,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 699. [2024-11-09 11:56:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 599 states have (on average 1.2520868113522539) internal successors, (750), 613 states have internal predecessors, (750), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 11:56:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 900 transitions. [2024-11-09 11:56:48,331 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 900 transitions. Word has length 127 [2024-11-09 11:56:48,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:48,331 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 900 transitions. [2024-11-09 11:56:48,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:56:48,331 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 900 transitions. [2024-11-09 11:56:48,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 11:56:48,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:48,332 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:48,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:48,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:48,533 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:48,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:48,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1867864891, now seen corresponding path program 2 times [2024-11-09 11:56:48,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:48,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906899471] [2024-11-09 11:56:48,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:48,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 11:56:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:56:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 11:56:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 11:56:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 11:56:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:48,640 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:48,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:48,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906899471] [2024-11-09 11:56:48,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906899471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:48,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350447070] [2024-11-09 11:56:48,640 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:56:48,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:48,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:48,642 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:48,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:56:48,693 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:56:48,694 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:56:48,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:56:48,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:48,769 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:48,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350447070] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:48,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:48,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-09 11:56:48,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793257519] [2024-11-09 11:56:48,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:48,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:56:48,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:48,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:56:48,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:48,899 INFO L87 Difference]: Start difference. First operand 699 states and 900 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:56:49,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:49,000 INFO L93 Difference]: Finished difference Result 722 states and 918 transitions. [2024-11-09 11:56:49,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:56:49,001 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 128 [2024-11-09 11:56:49,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:49,003 INFO L225 Difference]: With dead ends: 722 [2024-11-09 11:56:49,003 INFO L226 Difference]: Without dead ends: 715 [2024-11-09 11:56:49,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 278 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:56:49,004 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 52 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:49,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 235 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:56:49,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-11-09 11:56:49,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 699. [2024-11-09 11:56:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 599 states have (on average 1.2454090150250416) internal successors, (746), 613 states have internal predecessors, (746), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-09 11:56:49,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 896 transitions. [2024-11-09 11:56:49,049 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 896 transitions. Word has length 128 [2024-11-09 11:56:49,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:49,049 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 896 transitions. [2024-11-09 11:56:49,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-09 11:56:49,050 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 896 transitions. [2024-11-09 11:56:49,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 11:56:49,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:49,051 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1] [2024-11-09 11:56:49,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-09 11:56:49,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-09 11:56:49,256 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:49,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:49,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1775361285, now seen corresponding path program 2 times [2024-11-09 11:56:49,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:49,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657720446] [2024-11-09 11:56:49,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:49,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 11:56:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:56:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 11:56:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 11:56:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 11:56:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 11:56:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-09 11:56:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 11:56:49,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:49,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657720446] [2024-11-09 11:56:49,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657720446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:49,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101065696] [2024-11-09 11:56:49,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:56:49,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:49,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:49,350 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:49,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:56:49,395 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:56:49,395 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:56:49,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:56:49,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 11:56:49,462 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 11:56:49,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101065696] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:49,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:49,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-09 11:56:49,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938894933] [2024-11-09 11:56:49,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:49,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:56:49,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:49,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:56:49,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:56:49,598 INFO L87 Difference]: Start difference. First operand 699 states and 896 transitions. Second operand has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) [2024-11-09 11:56:49,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:49,884 INFO L93 Difference]: Finished difference Result 1541 states and 2016 transitions. [2024-11-09 11:56:49,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:56:49,885 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) Word has length 130 [2024-11-09 11:56:49,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:49,890 INFO L225 Difference]: With dead ends: 1541 [2024-11-09 11:56:49,890 INFO L226 Difference]: Without dead ends: 1539 [2024-11-09 11:56:49,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:56:49,891 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 402 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:49,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 514 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:49,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2024-11-09 11:56:49,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 725. [2024-11-09 11:56:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 619 states have (on average 1.235864297253635) internal successors, (765), 633 states have internal predecessors, (765), 81 states have call successors, (81), 10 states have call predecessors, (81), 10 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-09 11:56:49,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 927 transitions. [2024-11-09 11:56:49,936 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 927 transitions. Word has length 130 [2024-11-09 11:56:49,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:49,936 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 927 transitions. [2024-11-09 11:56:49,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) [2024-11-09 11:56:49,936 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 927 transitions. [2024-11-09 11:56:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-09 11:56:49,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:49,937 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:49,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-09 11:56:50,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-09 11:56:50,138 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:50,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:50,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1885680557, now seen corresponding path program 1 times [2024-11-09 11:56:50,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:50,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616328144] [2024-11-09 11:56:50,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:50,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 11:56:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:56:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 11:56:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 11:56:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:56:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:50,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:50,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616328144] [2024-11-09 11:56:50,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616328144] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:50,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581461835] [2024-11-09 11:56:50,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:50,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:50,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:50,322 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:50,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:56:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:50,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:56:50,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:50,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:51,061 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:51,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581461835] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:51,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:51,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 19 [2024-11-09 11:56:51,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096412699] [2024-11-09 11:56:51,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:51,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 11:56:51,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:51,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 11:56:51,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:56:51,062 INFO L87 Difference]: Start difference. First operand 725 states and 927 transitions. Second operand has 20 states, 19 states have (on average 10.31578947368421) internal successors, (196), 20 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:56:51,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:51,570 INFO L93 Difference]: Finished difference Result 1024 states and 1312 transitions. [2024-11-09 11:56:51,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 11:56:51,570 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 10.31578947368421) internal successors, (196), 20 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 130 [2024-11-09 11:56:51,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:51,573 INFO L225 Difference]: With dead ends: 1024 [2024-11-09 11:56:51,573 INFO L226 Difference]: Without dead ends: 914 [2024-11-09 11:56:51,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=346, Invalid=914, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 11:56:51,576 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 605 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:51,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 713 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:56:51,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2024-11-09 11:56:51,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 711. [2024-11-09 11:56:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 601 states have (on average 1.259567387687188) internal successors, (757), 615 states have internal predecessors, (757), 85 states have call successors, (85), 10 states have call predecessors, (85), 10 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-09 11:56:51,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 927 transitions. [2024-11-09 11:56:51,620 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 927 transitions. Word has length 130 [2024-11-09 11:56:51,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:51,620 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 927 transitions. [2024-11-09 11:56:51,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 10.31578947368421) internal successors, (196), 20 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:56:51,621 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 927 transitions. [2024-11-09 11:56:51,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 11:56:51,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:51,622 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:51,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-09 11:56:51,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-09 11:56:51,823 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:51,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:51,823 INFO L85 PathProgramCache]: Analyzing trace with hash 94934703, now seen corresponding path program 1 times [2024-11-09 11:56:51,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:51,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794248413] [2024-11-09 11:56:51,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:51,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:51,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:51,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 11:56:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:56:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 11:56:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 11:56:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 11:56:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,025 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-09 11:56:52,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:52,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794248413] [2024-11-09 11:56:52,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794248413] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:52,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449684028] [2024-11-09 11:56:52,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:52,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:52,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:52,027 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:52,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:56:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:52,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:56:52,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:52,323 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:54,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449684028] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:54,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:54,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2024-11-09 11:56:54,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077856285] [2024-11-09 11:56:54,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:54,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-09 11:56:54,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:54,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-09 11:56:54,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:56:54,911 INFO L87 Difference]: Start difference. First operand 711 states and 927 transitions. Second operand has 21 states, 20 states have (on average 10.1) internal successors, (202), 21 states have internal predecessors, (202), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-09 11:56:55,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:55,237 INFO L93 Difference]: Finished difference Result 956 states and 1278 transitions. [2024-11-09 11:56:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:56:55,238 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 10.1) internal successors, (202), 21 states have internal predecessors, (202), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 135 [2024-11-09 11:56:55,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:55,241 INFO L225 Difference]: With dead ends: 956 [2024-11-09 11:56:55,241 INFO L226 Difference]: Without dead ends: 955 [2024-11-09 11:56:55,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:56:55,242 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 245 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:55,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 332 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:55,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-11-09 11:56:55,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 710. [2024-11-09 11:56:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 601 states have (on average 1.2529118136439268) internal successors, (753), 614 states have internal predecessors, (753), 85 states have call successors, (85), 10 states have call predecessors, (85), 10 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-09 11:56:55,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 923 transitions. [2024-11-09 11:56:55,296 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 923 transitions. Word has length 135 [2024-11-09 11:56:55,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:55,296 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 923 transitions. [2024-11-09 11:56:55,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 10.1) internal successors, (202), 21 states have internal predecessors, (202), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-09 11:56:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 923 transitions. [2024-11-09 11:56:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 11:56:55,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:55,297 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:56:55,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-09 11:56:55,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:55,498 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:55,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:55,498 INFO L85 PathProgramCache]: Analyzing trace with hash 95191900, now seen corresponding path program 1 times [2024-11-09 11:56:55,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:55,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772756502] [2024-11-09 11:56:55,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:55,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 11:56:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:56:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 11:56:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 11:56:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 11:56:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,688 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:55,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:55,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772756502] [2024-11-09 11:56:55,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772756502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:55,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599132694] [2024-11-09 11:56:55,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:55,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:55,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:55,691 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:55,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:56:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:55,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:56:55,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:55,997 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 6 proven. 320 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 11:56:55,998 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:56,227 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:56,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599132694] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:56,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:56,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 36 [2024-11-09 11:56:56,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835253208] [2024-11-09 11:56:56,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:56,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-09 11:56:56,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:56,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-09 11:56:56,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 11:56:56,229 INFO L87 Difference]: Start difference. First operand 710 states and 923 transitions. Second operand has 37 states, 36 states have (on average 6.222222222222222) internal successors, (224), 37 states have internal predecessors, (224), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-11-09 11:56:56,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:56:56,833 INFO L93 Difference]: Finished difference Result 2139 states and 2840 transitions. [2024-11-09 11:56:56,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-09 11:56:56,834 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 6.222222222222222) internal successors, (224), 37 states have internal predecessors, (224), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) Word has length 135 [2024-11-09 11:56:56,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:56:56,841 INFO L225 Difference]: With dead ends: 2139 [2024-11-09 11:56:56,842 INFO L226 Difference]: Without dead ends: 2131 [2024-11-09 11:56:56,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=926, Invalid=2980, Unknown=0, NotChecked=0, Total=3906 [2024-11-09 11:56:56,844 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 605 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:56:56,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 891 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:56:56,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2131 states. [2024-11-09 11:56:56,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2131 to 2036. [2024-11-09 11:56:56,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2036 states, 1796 states have (on average 1.2761692650334076) internal successors, (2292), 1809 states have internal predecessors, (2292), 209 states have call successors, (209), 17 states have call predecessors, (209), 17 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2024-11-09 11:56:56,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2710 transitions. [2024-11-09 11:56:56,968 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2710 transitions. Word has length 135 [2024-11-09 11:56:56,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:56:56,970 INFO L471 AbstractCegarLoop]: Abstraction has 2036 states and 2710 transitions. [2024-11-09 11:56:56,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 6.222222222222222) internal successors, (224), 37 states have internal predecessors, (224), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-11-09 11:56:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2710 transitions. [2024-11-09 11:56:56,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 11:56:56,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:56:56,971 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:56:56,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-09 11:56:57,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-09 11:56:57,172 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:56:57,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:56:57,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1351991383, now seen corresponding path program 1 times [2024-11-09 11:56:57,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:56:57,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869381154] [2024-11-09 11:56:57,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:57,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:56:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:56:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:56:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:56:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:56:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:56:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:56:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:56:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:56:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 11:56:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:56:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 11:56:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 11:56:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 11:56:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:57,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:56:57,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869381154] [2024-11-09 11:56:57,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869381154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:56:57,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504236989] [2024-11-09 11:56:57,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:56:57,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:56:57,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:56:57,351 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:56:57,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:56:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:56:57,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:56:57,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:56:57,660 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:57,660 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:56:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:56:59,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504236989] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:56:59,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:56:59,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-09 11:56:59,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908171845] [2024-11-09 11:56:59,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:56:59,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 11:56:59,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:56:59,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 11:56:59,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:56:59,059 INFO L87 Difference]: Start difference. First operand 2036 states and 2710 transitions. Second operand has 22 states, 21 states have (on average 10.19047619047619) internal successors, (214), 22 states have internal predecessors, (214), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:57:00,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:00,160 INFO L93 Difference]: Finished difference Result 2840 states and 3773 transitions. [2024-11-09 11:57:00,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-09 11:57:00,160 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.19047619047619) internal successors, (214), 22 states have internal predecessors, (214), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 136 [2024-11-09 11:57:00,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:00,169 INFO L225 Difference]: With dead ends: 2840 [2024-11-09 11:57:00,170 INFO L226 Difference]: Without dead ends: 2839 [2024-11-09 11:57:00,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-11-09 11:57:00,172 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 430 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:00,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 761 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:57:00,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2839 states. [2024-11-09 11:57:00,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2839 to 2531. [2024-11-09 11:57:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2531 states, 2249 states have (on average 1.2738995108937305) internal successors, (2865), 2262 states have internal predecessors, (2865), 251 states have call successors, (251), 17 states have call predecessors, (251), 17 states have return successors, (251), 251 states have call predecessors, (251), 251 states have call successors, (251) [2024-11-09 11:57:00,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2531 states and 3367 transitions. [2024-11-09 11:57:00,319 INFO L78 Accepts]: Start accepts. Automaton has 2531 states and 3367 transitions. Word has length 136 [2024-11-09 11:57:00,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:00,319 INFO L471 AbstractCegarLoop]: Abstraction has 2531 states and 3367 transitions. [2024-11-09 11:57:00,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.19047619047619) internal successors, (214), 22 states have internal predecessors, (214), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-09 11:57:00,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 3367 transitions. [2024-11-09 11:57:00,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 11:57:00,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:00,320 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2024-11-09 11:57:00,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:00,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-09 11:57:00,521 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:57:00,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:00,521 INFO L85 PathProgramCache]: Analyzing trace with hash -2110191349, now seen corresponding path program 1 times [2024-11-09 11:57:00,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:00,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050444544] [2024-11-09 11:57:00,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:00,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:57:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:57:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:57:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:57:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:57:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:57:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:57:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 11:57:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:57:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-09 11:57:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-09 11:57:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 11:57:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 11:57:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,702 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 11:57:00,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:00,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050444544] [2024-11-09 11:57:00,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050444544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:00,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187623736] [2024-11-09 11:57:00,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:00,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:00,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:00,704 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:00,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:57:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:00,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:57:00,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-09 11:57:00,877 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 11:57:01,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187623736] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:57:01,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:57:01,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 27 [2024-11-09 11:57:01,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091936222] [2024-11-09 11:57:01,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:01,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-09 11:57:01,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:01,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-09 11:57:01,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:57:01,063 INFO L87 Difference]: Start difference. First operand 2531 states and 3367 transitions. Second operand has 27 states, 27 states have (on average 5.814814814814815) internal successors, (157), 27 states have internal predecessors, (157), 9 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) [2024-11-09 11:57:01,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:01,628 INFO L93 Difference]: Finished difference Result 3258 states and 4259 transitions. [2024-11-09 11:57:01,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-09 11:57:01,628 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.814814814814815) internal successors, (157), 27 states have internal predecessors, (157), 9 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) Word has length 137 [2024-11-09 11:57:01,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:01,640 INFO L225 Difference]: With dead ends: 3258 [2024-11-09 11:57:01,640 INFO L226 Difference]: Without dead ends: 2773 [2024-11-09 11:57:01,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 287 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 707 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=599, Invalid=2053, Unknown=0, NotChecked=0, Total=2652 [2024-11-09 11:57:01,644 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 174 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:01,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 783 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:57:01,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2773 states. [2024-11-09 11:57:01,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2773 to 2747. [2024-11-09 11:57:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2747 states, 2443 states have (on average 1.2570609905853458) internal successors, (3071), 2456 states have internal predecessors, (3071), 265 states have call successors, (265), 25 states have call predecessors, (265), 25 states have return successors, (265), 265 states have call predecessors, (265), 265 states have call successors, (265) [2024-11-09 11:57:01,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2747 states and 3601 transitions. [2024-11-09 11:57:01,905 INFO L78 Accepts]: Start accepts. Automaton has 2747 states and 3601 transitions. Word has length 137 [2024-11-09 11:57:01,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:01,906 INFO L471 AbstractCegarLoop]: Abstraction has 2747 states and 3601 transitions. [2024-11-09 11:57:01,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.814814814814815) internal successors, (157), 27 states have internal predecessors, (157), 9 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) [2024-11-09 11:57:01,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 3601 transitions. [2024-11-09 11:57:01,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 11:57:01,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:01,907 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:01,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:02,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-09 11:57:02,113 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:57:02,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:02,113 INFO L85 PathProgramCache]: Analyzing trace with hash 726455195, now seen corresponding path program 3 times [2024-11-09 11:57:02,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:02,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185676226] [2024-11-09 11:57:02,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:02,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:02,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1510448497] [2024-11-09 11:57:02,130 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:57:02,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:02,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:02,132 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:02,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:57:02,175 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 11:57:02,175 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:02,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:57:02,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:02,593 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2024-11-09 11:57:02,593 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:28,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:28,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185676226] [2024-11-09 11:57:28,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:28,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510448497] [2024-11-09 11:57:28,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510448497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:28,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:28,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:57:28,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380312357] [2024-11-09 11:57:28,947 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:28,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:57:28,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:28,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:57:28,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=179, Unknown=2, NotChecked=0, Total=240 [2024-11-09 11:57:28,948 INFO L87 Difference]: Start difference. First operand 2747 states and 3601 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:29,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:29,401 INFO L93 Difference]: Finished difference Result 2812 states and 3665 transitions. [2024-11-09 11:57:29,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:57:29,401 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 140 [2024-11-09 11:57:29,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:29,411 INFO L225 Difference]: With dead ends: 2812 [2024-11-09 11:57:29,412 INFO L226 Difference]: Without dead ends: 2811 [2024-11-09 11:57:29,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 25.6s TimeCoverageRelationStatistics Valid=99, Invalid=279, Unknown=2, NotChecked=0, Total=380 [2024-11-09 11:57:29,413 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 97 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:29,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 202 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:57:29,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2811 states. [2024-11-09 11:57:29,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2811 to 2747. [2024-11-09 11:57:29,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2747 states, 2443 states have (on average 1.2492836676217765) internal successors, (3052), 2456 states have internal predecessors, (3052), 265 states have call successors, (265), 25 states have call predecessors, (265), 25 states have return successors, (265), 265 states have call predecessors, (265), 265 states have call successors, (265) [2024-11-09 11:57:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2747 states and 3582 transitions. [2024-11-09 11:57:29,580 INFO L78 Accepts]: Start accepts. Automaton has 2747 states and 3582 transitions. Word has length 140 [2024-11-09 11:57:29,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:29,580 INFO L471 AbstractCegarLoop]: Abstraction has 2747 states and 3582 transitions. [2024-11-09 11:57:29,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:29,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 3582 transitions. [2024-11-09 11:57:29,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 11:57:29,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:29,581 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-09 11:57:29,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:29,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:29,781 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:57:29,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:29,782 INFO L85 PathProgramCache]: Analyzing trace with hash 145758436, now seen corresponding path program 2 times [2024-11-09 11:57:29,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:29,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902183342] [2024-11-09 11:57:29,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:29,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:29,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1260306077] [2024-11-09 11:57:29,798 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:57:29,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:29,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:29,800 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:29,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-09 11:57:29,837 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:57:29,837 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:29,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:57:29,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:29,944 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-11-09 11:57:29,945 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:57:29,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:29,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902183342] [2024-11-09 11:57:29,945 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:29,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260306077] [2024-11-09 11:57:29,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260306077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:29,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:57:29,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:57:29,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998597178] [2024-11-09 11:57:29,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:29,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:57:29,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:29,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:57:29,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:57:29,946 INFO L87 Difference]: Start difference. First operand 2747 states and 3582 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:30,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:30,130 INFO L93 Difference]: Finished difference Result 2747 states and 3582 transitions. [2024-11-09 11:57:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:57:30,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 141 [2024-11-09 11:57:30,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:30,137 INFO L225 Difference]: With dead ends: 2747 [2024-11-09 11:57:30,137 INFO L226 Difference]: Without dead ends: 2746 [2024-11-09 11:57:30,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:57:30,138 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 66 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:30,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 89 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:57:30,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2024-11-09 11:57:30,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 2571. [2024-11-09 11:57:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2571 states, 2286 states have (on average 1.2191601049868765) internal successors, (2787), 2298 states have internal predecessors, (2787), 247 states have call successors, (247), 25 states have call predecessors, (247), 25 states have return successors, (247), 247 states have call predecessors, (247), 247 states have call successors, (247) [2024-11-09 11:57:30,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 3281 transitions. [2024-11-09 11:57:30,312 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 3281 transitions. Word has length 141 [2024-11-09 11:57:30,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:30,312 INFO L471 AbstractCegarLoop]: Abstraction has 2571 states and 3281 transitions. [2024-11-09 11:57:30,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:57:30,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 3281 transitions. [2024-11-09 11:57:30,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-09 11:57:30,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:30,313 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-09 11:57:30,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:30,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-09 11:57:30,514 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:57:30,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:30,514 INFO L85 PathProgramCache]: Analyzing trace with hash 77716084, now seen corresponding path program 4 times [2024-11-09 11:57:30,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:30,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175068177] [2024-11-09 11:57:30,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:30,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 11:57:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-09 11:57:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 11:57:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:57:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 11:57:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 11:57:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:57:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 11:57:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 11:57:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-09 11:57:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 11:57:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 11:57:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-09 11:57:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:30,783 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 11:57:30,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:30,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175068177] [2024-11-09 11:57:30,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175068177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:30,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582672003] [2024-11-09 11:57:30,784 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:57:30,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:30,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:30,785 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:30,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 11:57:30,865 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:57:30,866 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:57:30,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 11:57:30,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 33 proven. 75 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-09 11:57:31,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:36,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582672003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:36,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:57:36,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 25 [2024-11-09 11:57:36,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886812857] [2024-11-09 11:57:36,611 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:36,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-09 11:57:36,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:36,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-09 11:57:36,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=763, Unknown=1, NotChecked=0, Total=870 [2024-11-09 11:57:36,612 INFO L87 Difference]: Start difference. First operand 2571 states and 3281 transitions. Second operand has 26 states, 25 states have (on average 6.52) internal successors, (163), 26 states have internal predecessors, (163), 11 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 11 states have call successors, (26) [2024-11-09 11:57:38,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:38,261 INFO L93 Difference]: Finished difference Result 3206 states and 4115 transitions. [2024-11-09 11:57:38,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-09 11:57:38,262 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.52) internal successors, (163), 26 states have internal predecessors, (163), 11 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 11 states have call successors, (26) Word has length 144 [2024-11-09 11:57:38,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:38,278 INFO L225 Difference]: With dead ends: 3206 [2024-11-09 11:57:38,279 INFO L226 Difference]: Without dead ends: 3200 [2024-11-09 11:57:38,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=339, Invalid=2210, Unknown=1, NotChecked=0, Total=2550 [2024-11-09 11:57:38,280 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 428 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 1633 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:38,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 994 Invalid, 1715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1633 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:57:38,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3200 states. [2024-11-09 11:57:38,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3200 to 2925. [2024-11-09 11:57:38,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2608 states have (on average 1.2128067484662577) internal successors, (3163), 2620 states have internal predecessors, (3163), 279 states have call successors, (279), 25 states have call predecessors, (279), 25 states have return successors, (279), 279 states have call predecessors, (279), 279 states have call successors, (279) [2024-11-09 11:57:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 3721 transitions. [2024-11-09 11:57:38,447 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 3721 transitions. Word has length 144 [2024-11-09 11:57:38,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:38,448 INFO L471 AbstractCegarLoop]: Abstraction has 2925 states and 3721 transitions. [2024-11-09 11:57:38,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.52) internal successors, (163), 26 states have internal predecessors, (163), 11 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 11 states have call successors, (26) [2024-11-09 11:57:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 3721 transitions. [2024-11-09 11:57:38,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 11:57:38,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:38,449 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2024-11-09 11:57:38,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-09 11:57:38,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:38,654 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:57:38,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:38,654 INFO L85 PathProgramCache]: Analyzing trace with hash 413751095, now seen corresponding path program 1 times [2024-11-09 11:57:38,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:38,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981097319] [2024-11-09 11:57:38,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:38,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:38,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1241763128] [2024-11-09 11:57:38,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:38,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:38,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:38,672 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:38,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-09 11:57:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:38,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:57:38,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2024-11-09 11:57:38,865 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:57:38,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:38,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981097319] [2024-11-09 11:57:38,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:38,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241763128] [2024-11-09 11:57:38,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241763128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:57:38,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:57:38,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:57:38,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67670341] [2024-11-09 11:57:38,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:57:38,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:57:38,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:38,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:57:38,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:57:38,866 INFO L87 Difference]: Start difference. First operand 2925 states and 3721 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:57:39,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:39,048 INFO L93 Difference]: Finished difference Result 2932 states and 3727 transitions. [2024-11-09 11:57:39,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:57:39,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 147 [2024-11-09 11:57:39,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:39,053 INFO L225 Difference]: With dead ends: 2932 [2024-11-09 11:57:39,053 INFO L226 Difference]: Without dead ends: 2930 [2024-11-09 11:57:39,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:57:39,055 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 47 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:39,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 67 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:57:39,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2024-11-09 11:57:39,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2401. [2024-11-09 11:57:39,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2401 states, 2136 states have (on average 1.1807116104868913) internal successors, (2522), 2146 states have internal predecessors, (2522), 229 states have call successors, (229), 25 states have call predecessors, (229), 25 states have return successors, (229), 229 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-09 11:57:39,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 2980 transitions. [2024-11-09 11:57:39,209 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 2980 transitions. Word has length 147 [2024-11-09 11:57:39,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:39,209 INFO L471 AbstractCegarLoop]: Abstraction has 2401 states and 2980 transitions. [2024-11-09 11:57:39,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:57:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2980 transitions. [2024-11-09 11:57:39,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-09 11:57:39,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:39,210 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:39,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:39,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-09 11:57:39,410 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:57:39,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:39,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1921499033, now seen corresponding path program 1 times [2024-11-09 11:57:39,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:39,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819803615] [2024-11-09 11:57:39,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:39,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:39,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090007206] [2024-11-09 11:57:39,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:39,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:39,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:39,428 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:39,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-09 11:57:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:39,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 11:57:39,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:39,943 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 11:57:39,943 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:57:40,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:57:40,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819803615] [2024-11-09 11:57:40,198 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:57:40,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090007206] [2024-11-09 11:57:40,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090007206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:57:40,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:57:40,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:57:40,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874245738] [2024-11-09 11:57:40,198 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:57:40,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:57:40,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:57:40,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:57:40,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:57:40,199 INFO L87 Difference]: Start difference. First operand 2401 states and 2980 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:57:40,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:57:40,651 INFO L93 Difference]: Finished difference Result 2404 states and 2983 transitions. [2024-11-09 11:57:40,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:57:40,655 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 154 [2024-11-09 11:57:40,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:57:40,659 INFO L225 Difference]: With dead ends: 2404 [2024-11-09 11:57:40,659 INFO L226 Difference]: Without dead ends: 2403 [2024-11-09 11:57:40,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:57:40,660 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 9 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:57:40,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 457 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:57:40,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2403 states. [2024-11-09 11:57:40,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2403 to 2402. [2024-11-09 11:57:40,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2402 states, 2137 states have (on average 1.1806270472625175) internal successors, (2523), 2147 states have internal predecessors, (2523), 229 states have call successors, (229), 25 states have call predecessors, (229), 25 states have return successors, (229), 229 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-09 11:57:40,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2402 states and 2981 transitions. [2024-11-09 11:57:40,806 INFO L78 Accepts]: Start accepts. Automaton has 2402 states and 2981 transitions. Word has length 154 [2024-11-09 11:57:40,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:57:40,806 INFO L471 AbstractCegarLoop]: Abstraction has 2402 states and 2981 transitions. [2024-11-09 11:57:40,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-09 11:57:40,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 2981 transitions. [2024-11-09 11:57:40,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 11:57:40,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:57:40,808 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:57:40,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-09 11:57:41,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:41,012 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-09 11:57:41,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:57:41,012 INFO L85 PathProgramCache]: Analyzing trace with hash -563071991, now seen corresponding path program 1 times [2024-11-09 11:57:41,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:57:41,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742828811] [2024-11-09 11:57:41,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:41,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:57:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:57:41,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1325725827] [2024-11-09 11:57:41,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:57:41,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:57:41,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:57:41,036 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:57:41,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-09 11:57:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:57:41,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 11:57:41,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:57:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 11:57:41,555 INFO L311 TraceCheckSpWp]: Computing backward predicates...