./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loops/eureka_05.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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/loops/eureka_05.i -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 3f12ca1e314a03dfb1c8beadd0c1a180c2d2339dd5f3109d5999df06d52395ab --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:22:09,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:22:09,491 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:22:09,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:22:09,496 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:22:09,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:22:09,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:22:09,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:22:09,529 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:22:09,530 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:22:09,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:22:09,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:22:09,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:22:09,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:22:09,533 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:22:09,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:22:09,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:22:09,535 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:22:09,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:22:09,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:22:09,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:22:09,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:22:09,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:22:09,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:22:09,541 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:22:09,541 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:22:09,542 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:22:09,542 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:22:09,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:22:09,542 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:22:09,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:22:09,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:22:09,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:22:09,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:22:09,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:22:09,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:22:09,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:22:09,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:22:09,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:22:09,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:22:09,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:22:09,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:22:09,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:22:09,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:22:09,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f12ca1e314a03dfb1c8beadd0c1a180c2d2339dd5f3109d5999df06d52395ab [2024-11-19 10:22:09,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:22:09,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:22:09,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:22:09,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:22:09,847 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:22:09,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/eureka_05.i [2024-11-19 10:22:11,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:22:11,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:22:11,494 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/eureka_05.i [2024-11-19 10:22:11,501 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdadd3e3d/7f0d46140985483ca4452b624d07f49d/FLAG61d5a7f7c [2024-11-19 10:22:11,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdadd3e3d/7f0d46140985483ca4452b624d07f49d [2024-11-19 10:22:11,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:22:11,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:22:11,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:22:11,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:22:11,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:22:11,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea16e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11, skipping insertion in model container [2024-11-19 10:22:11,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:22:11,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:22:11,731 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:22:11,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:22:11,768 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:22:11,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11 WrapperNode [2024-11-19 10:22:11,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:22:11,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:22:11,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:22:11,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:22:11,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,802 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2024-11-19 10:22:11,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:22:11,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:22:11,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:22:11,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:22:11,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,817 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,832 INFO L175 MemorySlicer]: Split 15 memory accesses to 3 slices as follows [2, 11, 2]. 73 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 3 writes are split as follows [0, 2, 1]. [2024-11-19 10:22:11,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:22:11,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:22:11,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:22:11,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:22:11,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11" (1/1) ... [2024-11-19 10:22:11,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:22:11,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:22:11,905 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) [2024-11-19 10:22:11,907 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 [2024-11-19 10:22:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:22:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:22:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 10:22:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 10:22:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 10:22:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 10:22:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 10:22:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 10:22:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:22:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:22:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 10:22:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 10:22:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 10:22:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 10:22:12,019 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:22:12,023 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:22:12,229 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-19 10:22:12,229 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:22:12,241 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:22:12,241 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 10:22:12,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:22:12 BoogieIcfgContainer [2024-11-19 10:22:12,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:22:12,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:22:12,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:22:12,246 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:22:12,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:22:11" (1/3) ... [2024-11-19 10:22:12,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b55dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:22:12, skipping insertion in model container [2024-11-19 10:22:12,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:22:11" (2/3) ... [2024-11-19 10:22:12,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b55dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:22:12, skipping insertion in model container [2024-11-19 10:22:12,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:22:12" (3/3) ... [2024-11-19 10:22:12,248 INFO L112 eAbstractionObserver]: Analyzing ICFG eureka_05.i [2024-11-19 10:22:12,260 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:22:12,260 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-19 10:22:12,308 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:22:12,314 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;@573e76fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:22:12,314 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-19 10:22:12,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 32 states have (on average 1.65625) internal successors, (53), 42 states have internal predecessors, (53), 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) [2024-11-19 10:22:12,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 10:22:12,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:12,326 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 10:22:12,327 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:12,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:12,333 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2024-11-19 10:22:12,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:12,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204247956] [2024-11-19 10:22:12,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:12,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:22:12,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:12,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204247956] [2024-11-19 10:22:12,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204247956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:12,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:12,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:12,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486587394] [2024-11-19 10:22:12,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:12,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:12,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:12,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:12,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:12,653 INFO L87 Difference]: Start difference. First operand has 43 states, 32 states have (on average 1.65625) internal successors, (53), 42 states have internal predecessors, (53), 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) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:22:12,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:12,726 INFO L93 Difference]: Finished difference Result 82 states and 103 transitions. [2024-11-19 10:22:12,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:12,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-19 10:22:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:12,739 INFO L225 Difference]: With dead ends: 82 [2024-11-19 10:22:12,739 INFO L226 Difference]: Without dead ends: 40 [2024-11-19 10:22:12,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:12,748 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 1 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:12,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 112 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:22:12,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-19 10:22:12,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2024-11-19 10:22:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 38 states have internal predecessors, (43), 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) [2024-11-19 10:22:12,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2024-11-19 10:22:12,785 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 5 [2024-11-19 10:22:12,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:12,786 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2024-11-19 10:22:12,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:22:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2024-11-19 10:22:12,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-19 10:22:12,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:12,787 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-19 10:22:12,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:22:12,787 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:12,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:12,788 INFO L85 PathProgramCache]: Analyzing trace with hash 889660614, now seen corresponding path program 1 times [2024-11-19 10:22:12,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:12,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798818876] [2024-11-19 10:22:12,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:12,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:22:12,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:12,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798818876] [2024-11-19 10:22:12,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798818876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:12,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:12,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:12,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862397694] [2024-11-19 10:22:12,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:12,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:12,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:12,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:12,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:12,892 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:22:12,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:12,929 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2024-11-19 10:22:12,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:12,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-19 10:22:12,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:12,931 INFO L225 Difference]: With dead ends: 40 [2024-11-19 10:22:12,931 INFO L226 Difference]: Without dead ends: 39 [2024-11-19 10:22:12,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:12,934 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 3 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:12,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 87 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:12,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-19 10:22:12,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2024-11-19 10:22:12,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 37 states have internal predecessors, (42), 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) [2024-11-19 10:22:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2024-11-19 10:22:12,947 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 6 [2024-11-19 10:22:12,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:12,947 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2024-11-19 10:22:12,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:22:12,948 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2024-11-19 10:22:12,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 10:22:12,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:12,948 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:22:12,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:22:12,949 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:12,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:12,951 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2024-11-19 10:22:12,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:12,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907006941] [2024-11-19 10:22:12,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:12,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:13,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:22:13,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:13,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907006941] [2024-11-19 10:22:13,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907006941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:13,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:13,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:13,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384967757] [2024-11-19 10:22:13,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:13,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:13,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:13,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:13,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:13,041 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:22:13,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:13,081 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2024-11-19 10:22:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:13,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-19 10:22:13,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:13,083 INFO L225 Difference]: With dead ends: 42 [2024-11-19 10:22:13,084 INFO L226 Difference]: Without dead ends: 41 [2024-11-19 10:22:13,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:13,085 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 4 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 91 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 [2024-11-19 10:22:13,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 91 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:13,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-19 10:22:13,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 35. [2024-11-19 10:22:13,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 34 states have internal predecessors, (39), 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) [2024-11-19 10:22:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2024-11-19 10:22:13,097 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 9 [2024-11-19 10:22:13,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:13,098 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2024-11-19 10:22:13,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:22:13,098 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-11-19 10:22:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 10:22:13,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:13,099 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:13,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:22:13,100 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:13,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:13,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1607293652, now seen corresponding path program 1 times [2024-11-19 10:22:13,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:13,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618576462] [2024-11-19 10:22:13,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:13,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:22:13,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:13,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618576462] [2024-11-19 10:22:13,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618576462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:13,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:13,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:22:13,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2629053] [2024-11-19 10:22:13,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:13,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:22:13,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:13,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:22:13,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:13,165 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:22:13,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:13,202 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2024-11-19 10:22:13,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:22:13,203 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-19 10:22:13,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:13,204 INFO L225 Difference]: With dead ends: 49 [2024-11-19 10:22:13,205 INFO L226 Difference]: Without dead ends: 47 [2024-11-19 10:22:13,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:13,206 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 12 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:13,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 59 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:13,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-19 10:22:13,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 38. [2024-11-19 10:22:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 37 states have internal predecessors, (43), 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) [2024-11-19 10:22:13,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2024-11-19 10:22:13,218 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 10 [2024-11-19 10:22:13,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:13,219 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2024-11-19 10:22:13,219 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), 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) [2024-11-19 10:22:13,219 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2024-11-19 10:22:13,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:22:13,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:13,220 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:13,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 10:22:13,221 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:13,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:13,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1309533939, now seen corresponding path program 1 times [2024-11-19 10:22:13,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:13,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377350175] [2024-11-19 10:22:13,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:13,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:13,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:22:13,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:13,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377350175] [2024-11-19 10:22:13,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377350175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:13,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:13,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:13,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891648705] [2024-11-19 10:22:13,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:13,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:13,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:13,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:13,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:13,332 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-19 10:22:13,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:13,383 INFO L93 Difference]: Finished difference Result 56 states and 63 transitions. [2024-11-19 10:22:13,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:13,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2024-11-19 10:22:13,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:13,385 INFO L225 Difference]: With dead ends: 56 [2024-11-19 10:22:13,385 INFO L226 Difference]: Without dead ends: 47 [2024-11-19 10:22:13,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:13,387 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 44 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:13,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 54 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:13,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-19 10:22:13,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 38. [2024-11-19 10:22:13,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.4) internal successors, (42), 37 states have internal predecessors, (42), 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) [2024-11-19 10:22:13,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2024-11-19 10:22:13,399 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 15 [2024-11-19 10:22:13,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:13,400 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2024-11-19 10:22:13,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-19 10:22:13,400 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2024-11-19 10:22:13,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:22:13,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:13,401 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:13,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:22:13,401 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:13,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:13,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2043162141, now seen corresponding path program 1 times [2024-11-19 10:22:13,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:13,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155342074] [2024-11-19 10:22:13,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:13,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:22:13,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:13,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155342074] [2024-11-19 10:22:13,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155342074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:13,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:13,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:13,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589220997] [2024-11-19 10:22:13,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:13,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:13,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:13,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:13,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:13,488 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-19 10:22:13,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:13,532 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2024-11-19 10:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:13,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15 [2024-11-19 10:22:13,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:13,534 INFO L225 Difference]: With dead ends: 51 [2024-11-19 10:22:13,534 INFO L226 Difference]: Without dead ends: 49 [2024-11-19 10:22:13,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:13,538 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 9 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:13,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 84 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:13,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-19 10:22:13,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2024-11-19 10:22:13,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 46 states have internal predecessors, (55), 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) [2024-11-19 10:22:13,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2024-11-19 10:22:13,544 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 15 [2024-11-19 10:22:13,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:13,545 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2024-11-19 10:22:13,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-19 10:22:13,545 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2024-11-19 10:22:13,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:22:13,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:13,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:13,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:22:13,546 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:13,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:13,547 INFO L85 PathProgramCache]: Analyzing trace with hash 2043209871, now seen corresponding path program 1 times [2024-11-19 10:22:13,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:13,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639204220] [2024-11-19 10:22:13,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:13,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:13,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:22:13,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:13,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639204220] [2024-11-19 10:22:13,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639204220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:22:13,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906057024] [2024-11-19 10:22:13,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:13,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:13,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:22:13,634 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) [2024-11-19 10:22:13,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:22:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:13,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:22:13,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:22:13,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:22:13,754 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:22:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:22:13,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906057024] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:22:13,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:22:13,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-19 10:22:13,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703944240] [2024-11-19 10:22:13,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:22:13,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:22:13,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:13,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:22:13,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:22:13,795 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 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) [2024-11-19 10:22:13,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:13,856 INFO L93 Difference]: Finished difference Result 99 states and 116 transitions. [2024-11-19 10:22:13,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:22:13,857 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 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 15 [2024-11-19 10:22:13,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:13,857 INFO L225 Difference]: With dead ends: 99 [2024-11-19 10:22:13,857 INFO L226 Difference]: Without dead ends: 59 [2024-11-19 10:22:13,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:22:13,858 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 5 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:13,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 150 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:22:13,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-19 10:22:13,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2024-11-19 10:22:13,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 54 states have internal predecessors, (63), 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) [2024-11-19 10:22:13,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2024-11-19 10:22:13,870 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 15 [2024-11-19 10:22:13,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:13,870 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2024-11-19 10:22:13,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 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) [2024-11-19 10:22:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2024-11-19 10:22:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-19 10:22:13,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:13,871 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:13,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:22:14,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:14,072 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:14,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:14,073 INFO L85 PathProgramCache]: Analyzing trace with hash -2132994681, now seen corresponding path program 2 times [2024-11-19 10:22:14,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:14,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529984741] [2024-11-19 10:22:14,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:22:14,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:14,084 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:22:14,085 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:22:14,131 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:22:14,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:14,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529984741] [2024-11-19 10:22:14,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529984741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:14,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:14,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:22:14,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391047785] [2024-11-19 10:22:14,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:14,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:22:14,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:14,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:22:14,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:22:14,133 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-11-19 10:22:14,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:14,191 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2024-11-19 10:22:14,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:22:14,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 23 [2024-11-19 10:22:14,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:14,192 INFO L225 Difference]: With dead ends: 57 [2024-11-19 10:22:14,192 INFO L226 Difference]: Without dead ends: 56 [2024-11-19 10:22:14,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:22:14,193 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 12 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:14,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 100 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:14,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-19 10:22:14,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2024-11-19 10:22:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 54 states have internal predecessors, (62), 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) [2024-11-19 10:22:14,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2024-11-19 10:22:14,198 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 23 [2024-11-19 10:22:14,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:14,199 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2024-11-19 10:22:14,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-11-19 10:22:14,199 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2024-11-19 10:22:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 10:22:14,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:14,200 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:14,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 10:22:14,200 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:14,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:14,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1698325590, now seen corresponding path program 1 times [2024-11-19 10:22:14,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:14,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697077799] [2024-11-19 10:22:14,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:14,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:14,268 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:22:14,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:14,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697077799] [2024-11-19 10:22:14,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697077799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:14,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:14,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:22:14,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762662519] [2024-11-19 10:22:14,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:14,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:22:14,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:14,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:22:14,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:22:14,270 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-19 10:22:14,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:14,323 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2024-11-19 10:22:14,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:22:14,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 24 [2024-11-19 10:22:14,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:14,324 INFO L225 Difference]: With dead ends: 62 [2024-11-19 10:22:14,324 INFO L226 Difference]: Without dead ends: 61 [2024-11-19 10:22:14,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:22:14,325 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 18 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:14,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 102 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:14,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-19 10:22:14,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2024-11-19 10:22:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 59 states have internal predecessors, (69), 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) [2024-11-19 10:22:14,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2024-11-19 10:22:14,331 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 24 [2024-11-19 10:22:14,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:14,331 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2024-11-19 10:22:14,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-19 10:22:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2024-11-19 10:22:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-19 10:22:14,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:14,332 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:14,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:22:14,332 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:14,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:14,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1425232472, now seen corresponding path program 1 times [2024-11-19 10:22:14,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:14,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525082881] [2024-11-19 10:22:14,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:14,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:14,398 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:22:14,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:14,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525082881] [2024-11-19 10:22:14,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525082881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:22:14,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746805929] [2024-11-19 10:22:14,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:14,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:14,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:22:14,401 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) [2024-11-19 10:22:14,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:22:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:14,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:22:14,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:22:14,547 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:22:14,547 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:22:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:22:14,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746805929] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:22:14,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:22:14,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 14 [2024-11-19 10:22:14,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806402122] [2024-11-19 10:22:14,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:22:14,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:22:14,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:14,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:22:14,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:22:14,641 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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) [2024-11-19 10:22:14,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:14,769 INFO L93 Difference]: Finished difference Result 130 states and 153 transitions. [2024-11-19 10:22:14,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:22:14,769 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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 26 [2024-11-19 10:22:14,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:14,770 INFO L225 Difference]: With dead ends: 130 [2024-11-19 10:22:14,770 INFO L226 Difference]: Without dead ends: 85 [2024-11-19 10:22:14,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:22:14,772 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 23 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:14,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 212 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:22:14,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-19 10:22:14,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 70. [2024-11-19 10:22:14,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 69 states have internal predecessors, (80), 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) [2024-11-19 10:22:14,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 80 transitions. [2024-11-19 10:22:14,778 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 80 transitions. Word has length 26 [2024-11-19 10:22:14,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:14,779 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 80 transitions. [2024-11-19 10:22:14,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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) [2024-11-19 10:22:14,779 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2024-11-19 10:22:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-19 10:22:14,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:14,780 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:14,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:22:14,984 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,SelfDestructingSolverStorable9 [2024-11-19 10:22:14,985 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:14,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:14,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1403617422, now seen corresponding path program 1 times [2024-11-19 10:22:14,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:14,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567027560] [2024-11-19 10:22:14,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:14,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:15,063 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:22:15,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:15,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567027560] [2024-11-19 10:22:15,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567027560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:22:15,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642699364] [2024-11-19 10:22:15,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:15,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:15,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:22:15,067 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) [2024-11-19 10:22:15,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:22:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:15,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:22:15,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:22:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:22:15,249 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:22:15,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642699364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:15,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:22:15,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2024-11-19 10:22:15,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732781034] [2024-11-19 10:22:15,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:15,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:22:15,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:15,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:22:15,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:22:15,254 INFO L87 Difference]: Start difference. First operand 70 states and 80 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-19 10:22:15,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:15,303 INFO L93 Difference]: Finished difference Result 104 states and 117 transitions. [2024-11-19 10:22:15,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:22:15,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 35 [2024-11-19 10:22:15,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:15,306 INFO L225 Difference]: With dead ends: 104 [2024-11-19 10:22:15,307 INFO L226 Difference]: Without dead ends: 71 [2024-11-19 10:22:15,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:22:15,308 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 61 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:15,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 76 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:15,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-19 10:22:15,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-11-19 10:22:15,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 62 states have (on average 1.2741935483870968) internal successors, (79), 69 states have internal predecessors, (79), 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) [2024-11-19 10:22:15,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 79 transitions. [2024-11-19 10:22:15,322 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 79 transitions. Word has length 35 [2024-11-19 10:22:15,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:15,322 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 79 transitions. [2024-11-19 10:22:15,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-19 10:22:15,323 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2024-11-19 10:22:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 10:22:15,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:15,324 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:15,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:22:15,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:15,530 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:15,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:15,530 INFO L85 PathProgramCache]: Analyzing trace with hash -729939750, now seen corresponding path program 1 times [2024-11-19 10:22:15,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:15,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17547707] [2024-11-19 10:22:15,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:15,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:22:15,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:15,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17547707] [2024-11-19 10:22:15,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17547707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:22:15,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399621263] [2024-11-19 10:22:15,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:15,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:15,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:22:15,634 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) [2024-11-19 10:22:15,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:22:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:15,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:22:15,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:22:15,741 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:22:15,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:22:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:22:15,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399621263] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:22:15,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:22:15,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-19 10:22:15,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019439799] [2024-11-19 10:22:15,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:22:15,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 10:22:15,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:15,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 10:22:15,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:22:15,808 INFO L87 Difference]: Start difference. First operand 70 states and 79 transitions. Second operand has 13 states, 12 states have (on average 3.25) internal successors, (39), 13 states have internal predecessors, (39), 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) [2024-11-19 10:22:15,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:15,980 INFO L93 Difference]: Finished difference Result 87 states and 103 transitions. [2024-11-19 10:22:15,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:22:15,980 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.25) internal successors, (39), 13 states have internal predecessors, (39), 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 37 [2024-11-19 10:22:15,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:15,982 INFO L225 Difference]: With dead ends: 87 [2024-11-19 10:22:15,982 INFO L226 Difference]: Without dead ends: 86 [2024-11-19 10:22:15,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:22:15,983 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 41 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:15,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 261 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:22:15,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-19 10:22:15,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 85. [2024-11-19 10:22:15,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 77 states have (on average 1.2987012987012987) internal successors, (100), 84 states have internal predecessors, (100), 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) [2024-11-19 10:22:15,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 100 transitions. [2024-11-19 10:22:15,998 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 100 transitions. Word has length 37 [2024-11-19 10:22:15,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:15,998 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 100 transitions. [2024-11-19 10:22:15,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.25) internal successors, (39), 13 states have internal predecessors, (39), 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) [2024-11-19 10:22:15,998 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2024-11-19 10:22:15,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 10:22:15,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:15,999 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:16,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:22:16,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:16,202 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:16,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:16,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1345301402, now seen corresponding path program 1 times [2024-11-19 10:22:16,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:16,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459716974] [2024-11-19 10:22:16,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:16,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 10:22:16,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:16,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459716974] [2024-11-19 10:22:16,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459716974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:22:16,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591502366] [2024-11-19 10:22:16,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:16,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:16,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:22:16,288 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) [2024-11-19 10:22:16,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:22:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:16,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:22:16,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:22:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:22:16,463 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:22:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:22:16,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591502366] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:22:16,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:22:16,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 15 [2024-11-19 10:22:16,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619944790] [2024-11-19 10:22:16,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:22:16,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:22:16,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:16,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:22:16,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:22:16,554 INFO L87 Difference]: Start difference. First operand 85 states and 100 transitions. Second operand has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 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) [2024-11-19 10:22:16,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:16,801 INFO L93 Difference]: Finished difference Result 135 states and 161 transitions. [2024-11-19 10:22:16,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:22:16,802 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 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 40 [2024-11-19 10:22:16,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:16,803 INFO L225 Difference]: With dead ends: 135 [2024-11-19 10:22:16,803 INFO L226 Difference]: Without dead ends: 102 [2024-11-19 10:22:16,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2024-11-19 10:22:16,804 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 197 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:16,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 162 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:22:16,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-19 10:22:16,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 92. [2024-11-19 10:22:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 84 states have (on average 1.2738095238095237) internal successors, (107), 91 states have internal predecessors, (107), 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) [2024-11-19 10:22:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 107 transitions. [2024-11-19 10:22:16,814 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 107 transitions. Word has length 40 [2024-11-19 10:22:16,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:16,814 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 107 transitions. [2024-11-19 10:22:16,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.333333333333333) internal successors, (65), 15 states have internal predecessors, (65), 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) [2024-11-19 10:22:16,814 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 107 transitions. [2024-11-19 10:22:16,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-19 10:22:16,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:16,816 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:16,833 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:22:17,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 10:22:17,016 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:17,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:17,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1566750642, now seen corresponding path program 2 times [2024-11-19 10:22:17,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:17,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295602676] [2024-11-19 10:22:17,017 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:22:17,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:17,029 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:22:17,029 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:22:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-19 10:22:17,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:17,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295602676] [2024-11-19 10:22:17,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295602676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:22:17,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886251670] [2024-11-19 10:22:17,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:22:17,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:17,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:22:17,063 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) [2024-11-19 10:22:17,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:22:17,129 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:22:17,130 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:22:17,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:22:17,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:22:17,196 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-19 10:22:17,196 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:22:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-19 10:22:17,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886251670] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:22:17,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:22:17,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-19 10:22:17,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797153986] [2024-11-19 10:22:17,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:22:17,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:22:17,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:17,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:22:17,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:22:17,275 INFO L87 Difference]: Start difference. First operand 92 states and 107 transitions. Second operand has 8 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2024-11-19 10:22:17,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:17,317 INFO L93 Difference]: Finished difference Result 93 states and 109 transitions. [2024-11-19 10:22:17,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:22:17,318 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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 52 [2024-11-19 10:22:17,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:17,319 INFO L225 Difference]: With dead ends: 93 [2024-11-19 10:22:17,319 INFO L226 Difference]: Without dead ends: 92 [2024-11-19 10:22:17,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:22:17,319 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 45 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:17,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 102 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:17,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-19 10:22:17,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 82. [2024-11-19 10:22:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.2266666666666666) internal successors, (92), 81 states have internal predecessors, (92), 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) [2024-11-19 10:22:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2024-11-19 10:22:17,325 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 52 [2024-11-19 10:22:17,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:17,325 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2024-11-19 10:22:17,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2024-11-19 10:22:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2024-11-19 10:22:17,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-19 10:22:17,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:17,327 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:17,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 10:22:17,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:17,528 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:17,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:17,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1299044363, now seen corresponding path program 1 times [2024-11-19 10:22:17,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:17,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959633894] [2024-11-19 10:22:17,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:17,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:22:17,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:17,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959633894] [2024-11-19 10:22:17,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959633894] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:22:17,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305336280] [2024-11-19 10:22:17,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:17,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:17,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:22:17,746 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) [2024-11-19 10:22:17,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:22:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:17,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:22:17,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:22:18,065 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:22:18,065 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:22:18,226 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:22:18,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305336280] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:22:18,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:22:18,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2024-11-19 10:22:18,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283628775] [2024-11-19 10:22:18,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:22:18,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-19 10:22:18,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:18,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-19 10:22:18,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2024-11-19 10:22:18,229 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 27 states, 27 states have (on average 2.888888888888889) internal successors, (78), 26 states have internal predecessors, (78), 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) [2024-11-19 10:22:18,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:18,464 INFO L93 Difference]: Finished difference Result 128 states and 146 transitions. [2024-11-19 10:22:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:22:18,465 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.888888888888889) internal successors, (78), 26 states have internal predecessors, (78), 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 54 [2024-11-19 10:22:18,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:18,466 INFO L225 Difference]: With dead ends: 128 [2024-11-19 10:22:18,466 INFO L226 Difference]: Without dead ends: 89 [2024-11-19 10:22:18,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=246, Invalid=1014, Unknown=0, NotChecked=0, Total=1260 [2024-11-19 10:22:18,467 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 151 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:18,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 154 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:22:18,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-19 10:22:18,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-19 10:22:18,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 80 states have (on average 1.225) internal successors, (98), 86 states have internal predecessors, (98), 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) [2024-11-19 10:22:18,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 98 transitions. [2024-11-19 10:22:18,475 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 98 transitions. Word has length 54 [2024-11-19 10:22:18,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:18,476 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 98 transitions. [2024-11-19 10:22:18,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.888888888888889) internal successors, (78), 26 states have internal predecessors, (78), 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) [2024-11-19 10:22:18,476 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 98 transitions. [2024-11-19 10:22:18,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-19 10:22:18,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:18,478 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:18,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-19 10:22:18,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:18,679 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:18,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:18,680 INFO L85 PathProgramCache]: Analyzing trace with hash 398787891, now seen corresponding path program 2 times [2024-11-19 10:22:18,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:18,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866487415] [2024-11-19 10:22:18,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:22:18,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:18,689 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:22:18,689 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:22:18,713 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-19 10:22:18,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:18,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866487415] [2024-11-19 10:22:18,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866487415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:18,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:18,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:22:18,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976061509] [2024-11-19 10:22:18,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:18,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:22:18,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:18,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:22:18,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:22:18,715 INFO L87 Difference]: Start difference. First operand 87 states and 98 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 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) [2024-11-19 10:22:18,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:18,760 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2024-11-19 10:22:18,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:22:18,760 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), 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 59 [2024-11-19 10:22:18,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:18,761 INFO L225 Difference]: With dead ends: 87 [2024-11-19 10:22:18,761 INFO L226 Difference]: Without dead ends: 86 [2024-11-19 10:22:18,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:22:18,762 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 12 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:18,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 85 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:18,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-19 10:22:18,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-19 10:22:18,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 80 states have (on average 1.2) internal successors, (96), 85 states have internal predecessors, (96), 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) [2024-11-19 10:22:18,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 96 transitions. [2024-11-19 10:22:18,767 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 96 transitions. Word has length 59 [2024-11-19 10:22:18,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:18,767 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 96 transitions. [2024-11-19 10:22:18,767 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), 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) [2024-11-19 10:22:18,767 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2024-11-19 10:22:18,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 10:22:18,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:18,768 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:18,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 10:22:18,769 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:18,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:18,769 INFO L85 PathProgramCache]: Analyzing trace with hash -262168383, now seen corresponding path program 1 times [2024-11-19 10:22:18,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:18,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130797716] [2024-11-19 10:22:18,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:18,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:18,835 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-19 10:22:18,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:18,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130797716] [2024-11-19 10:22:18,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130797716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:18,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:18,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:18,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179363975] [2024-11-19 10:22:18,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:18,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:18,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:18,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:18,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:18,837 INFO L87 Difference]: Start difference. First operand 86 states and 96 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-19 10:22:18,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:18,864 INFO L93 Difference]: Finished difference Result 86 states and 96 transitions. [2024-11-19 10:22:18,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:18,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 69 [2024-11-19 10:22:18,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:18,865 INFO L225 Difference]: With dead ends: 86 [2024-11-19 10:22:18,865 INFO L226 Difference]: Without dead ends: 84 [2024-11-19 10:22:18,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:18,866 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 3 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:18,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 61 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:18,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-19 10:22:18,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-19 10:22:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 80 states have (on average 1.175) internal successors, (94), 83 states have internal predecessors, (94), 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) [2024-11-19 10:22:18,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions. [2024-11-19 10:22:18,872 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 69 [2024-11-19 10:22:18,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:18,873 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 94 transitions. [2024-11-19 10:22:18,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-19 10:22:18,873 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2024-11-19 10:22:18,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-19 10:22:18,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:18,875 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:18,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 10:22:18,875 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:18,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:18,875 INFO L85 PathProgramCache]: Analyzing trace with hash 462714810, now seen corresponding path program 1 times [2024-11-19 10:22:18,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:18,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085839586] [2024-11-19 10:22:18,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:18,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:18,948 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-19 10:22:18,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:18,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085839586] [2024-11-19 10:22:18,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085839586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:18,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:18,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:18,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523428802] [2024-11-19 10:22:18,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:18,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:18,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:18,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:18,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:18,949 INFO L87 Difference]: Start difference. First operand 84 states and 94 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-19 10:22:18,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:18,982 INFO L93 Difference]: Finished difference Result 84 states and 94 transitions. [2024-11-19 10:22:18,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:18,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 70 [2024-11-19 10:22:18,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:18,983 INFO L225 Difference]: With dead ends: 84 [2024-11-19 10:22:18,983 INFO L226 Difference]: Without dead ends: 83 [2024-11-19 10:22:18,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:18,984 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:18,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 65 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:18,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-19 10:22:18,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-19 10:22:18,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 80 states have (on average 1.1625) internal successors, (93), 82 states have internal predecessors, (93), 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) [2024-11-19 10:22:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions. [2024-11-19 10:22:18,997 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 93 transitions. Word has length 70 [2024-11-19 10:22:18,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:18,997 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 93 transitions. [2024-11-19 10:22:18,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-19 10:22:18,997 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2024-11-19 10:22:18,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-19 10:22:18,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:18,998 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:22:18,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 10:22:18,998 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:18,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:18,998 INFO L85 PathProgramCache]: Analyzing trace with hash -2108057790, now seen corresponding path program 2 times [2024-11-19 10:22:18,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:18,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275207034] [2024-11-19 10:22:18,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:22:18,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:19,032 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:22:19,032 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:22:19,058 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-19 10:22:19,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:19,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275207034] [2024-11-19 10:22:19,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275207034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:22:19,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940395213] [2024-11-19 10:22:19,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:22:19,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:19,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:22:19,060 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) [2024-11-19 10:22:19,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:22:19,128 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:22:19,129 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:22:19,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:22:19,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:22:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-19 10:22:19,227 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:22:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-19 10:22:19,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940395213] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:22:19,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:22:19,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2024-11-19 10:22:19,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294621424] [2024-11-19 10:22:19,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:22:19,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:22:19,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:19,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:22:19,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:22:19,327 INFO L87 Difference]: Start difference. First operand 83 states and 93 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-11-19 10:22:19,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:19,352 INFO L93 Difference]: Finished difference Result 83 states and 93 transitions. [2024-11-19 10:22:19,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:19,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 73 [2024-11-19 10:22:19,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:19,353 INFO L225 Difference]: With dead ends: 83 [2024-11-19 10:22:19,353 INFO L226 Difference]: Without dead ends: 82 [2024-11-19 10:22:19,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:22:19,354 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 31 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:19,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 56 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:19,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-19 10:22:19,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-19 10:22:19,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 80 states have (on average 1.15) internal successors, (92), 81 states have internal predecessors, (92), 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) [2024-11-19 10:22:19,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2024-11-19 10:22:19,359 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 73 [2024-11-19 10:22:19,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:19,360 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2024-11-19 10:22:19,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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) [2024-11-19 10:22:19,360 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2024-11-19 10:22:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-19 10:22:19,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:19,362 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:19,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:22:19,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:19,563 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:19,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:19,564 INFO L85 PathProgramCache]: Analyzing trace with hash -708963765, now seen corresponding path program 1 times [2024-11-19 10:22:19,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:19,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405550528] [2024-11-19 10:22:19,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:19,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:19,641 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-19 10:22:19,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:19,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405550528] [2024-11-19 10:22:19,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405550528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:19,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:19,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:19,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719133127] [2024-11-19 10:22:19,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:19,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:19,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:19,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:19,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:19,643 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-19 10:22:19,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:19,664 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2024-11-19 10:22:19,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:19,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 77 [2024-11-19 10:22:19,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:19,665 INFO L225 Difference]: With dead ends: 90 [2024-11-19 10:22:19,665 INFO L226 Difference]: Without dead ends: 88 [2024-11-19 10:22:19,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:19,666 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:19,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 75 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:19,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-19 10:22:19,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-19 10:22:19,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 86 states have (on average 1.1395348837209303) internal successors, (98), 87 states have internal predecessors, (98), 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) [2024-11-19 10:22:19,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2024-11-19 10:22:19,671 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 77 [2024-11-19 10:22:19,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:19,671 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2024-11-19 10:22:19,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-19 10:22:19,672 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2024-11-19 10:22:19,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 10:22:19,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:19,673 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:19,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 10:22:19,674 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:19,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:19,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1681849767, now seen corresponding path program 1 times [2024-11-19 10:22:19,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:19,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398002839] [2024-11-19 10:22:19,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:19,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:19,893 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-19 10:22:19,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:19,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398002839] [2024-11-19 10:22:19,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398002839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:22:19,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889720307] [2024-11-19 10:22:19,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:19,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:19,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:22:19,896 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) [2024-11-19 10:22:19,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:22:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:20,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 10:22:20,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:22:20,250 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-19 10:22:20,251 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:22:20,391 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-19 10:22:20,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889720307] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:22:20,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:22:20,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-19 10:22:20,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960492513] [2024-11-19 10:22:20,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:22:20,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-19 10:22:20,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:20,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-19 10:22:20,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2024-11-19 10:22:20,394 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand has 21 states, 21 states have (on average 4.285714285714286) internal successors, (90), 20 states have internal predecessors, (90), 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) [2024-11-19 10:22:20,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:20,677 INFO L93 Difference]: Finished difference Result 129 states and 147 transitions. [2024-11-19 10:22:20,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 10:22:20,677 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.285714285714286) internal successors, (90), 20 states have internal predecessors, (90), 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 83 [2024-11-19 10:22:20,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:20,678 INFO L225 Difference]: With dead ends: 129 [2024-11-19 10:22:20,678 INFO L226 Difference]: Without dead ends: 102 [2024-11-19 10:22:20,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 148 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=236, Invalid=886, Unknown=0, NotChecked=0, Total=1122 [2024-11-19 10:22:20,679 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 82 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:20,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 218 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:22:20,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-19 10:22:20,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 93. [2024-11-19 10:22:20,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 91 states have (on average 1.1428571428571428) internal successors, (104), 92 states have internal predecessors, (104), 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) [2024-11-19 10:22:20,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 104 transitions. [2024-11-19 10:22:20,685 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 104 transitions. Word has length 83 [2024-11-19 10:22:20,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:20,686 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 104 transitions. [2024-11-19 10:22:20,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.285714285714286) internal successors, (90), 20 states have internal predecessors, (90), 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) [2024-11-19 10:22:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2024-11-19 10:22:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-19 10:22:20,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:20,687 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:20,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 10:22:20,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:20,892 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:20,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:20,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1959382345, now seen corresponding path program 2 times [2024-11-19 10:22:20,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:20,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219139184] [2024-11-19 10:22:20,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:22:20,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:20,910 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:22:20,911 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:22:21,010 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-19 10:22:21,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:21,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219139184] [2024-11-19 10:22:21,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219139184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:22:21,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069367052] [2024-11-19 10:22:21,011 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:22:21,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:21,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:22:21,013 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) [2024-11-19 10:22:21,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:22:21,128 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:22:21,129 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:22:21,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:22:21,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:22:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-19 10:22:21,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:22:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-19 10:22:21,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069367052] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:22:21,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:22:21,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 18 [2024-11-19 10:22:21,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385036937] [2024-11-19 10:22:21,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:22:21,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 10:22:21,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:21,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 10:22:21,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:22:21,535 INFO L87 Difference]: Start difference. First operand 93 states and 104 transitions. Second operand has 18 states, 18 states have (on average 6.222222222222222) internal successors, (112), 18 states have internal predecessors, (112), 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) [2024-11-19 10:22:21,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:21,749 INFO L93 Difference]: Finished difference Result 141 states and 162 transitions. [2024-11-19 10:22:21,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 10:22:21,750 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.222222222222222) internal successors, (112), 18 states have internal predecessors, (112), 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 88 [2024-11-19 10:22:21,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:21,752 INFO L225 Difference]: With dead ends: 141 [2024-11-19 10:22:21,752 INFO L226 Difference]: Without dead ends: 126 [2024-11-19 10:22:21,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=531, Unknown=0, NotChecked=0, Total=650 [2024-11-19 10:22:21,753 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 95 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:21,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 120 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:22:21,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-19 10:22:21,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-19 10:22:21,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.144) internal successors, (143), 125 states have internal predecessors, (143), 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) [2024-11-19 10:22:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 143 transitions. [2024-11-19 10:22:21,761 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 143 transitions. Word has length 88 [2024-11-19 10:22:21,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:21,761 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 143 transitions. [2024-11-19 10:22:21,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.222222222222222) internal successors, (112), 18 states have internal predecessors, (112), 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) [2024-11-19 10:22:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2024-11-19 10:22:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-19 10:22:21,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:21,762 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:21,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-19 10:22:21,963 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,SelfDestructingSolverStorable21 [2024-11-19 10:22:21,963 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-19 10:22:21,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:21,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1056316743, now seen corresponding path program 1 times [2024-11-19 10:22:21,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:21,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289422020] [2024-11-19 10:22:21,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:21,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:22,067 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2024-11-19 10:22:22,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:22,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289422020] [2024-11-19 10:22:22,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289422020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:22,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:22,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:22,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406815991] [2024-11-19 10:22:22,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:22,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:22,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:22,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:22,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:22,070 INFO L87 Difference]: Start difference. First operand 126 states and 143 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-19 10:22:22,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:22,091 INFO L93 Difference]: Finished difference Result 126 states and 143 transitions. [2024-11-19 10:22:22,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:22,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 113 [2024-11-19 10:22:22,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:22,092 INFO L225 Difference]: With dead ends: 126 [2024-11-19 10:22:22,092 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:22:22,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:22,095 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 65 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 [2024-11-19 10:22:22,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 65 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:22,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:22:22,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:22:22,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:22:22,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:22:22,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 113 [2024-11-19 10:22:22,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:22,097 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:22:22,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-19 10:22:22,098 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:22:22,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:22:22,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-19 10:22:22,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-19 10:22:22,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-19 10:22:22,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-19 10:22:22,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-19 10:22:22,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-19 10:22:22,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-19 10:22:22,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-19 10:22:22,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-19 10:22:22,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-19 10:22:22,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 10:22:22,106 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:22,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 10:22:22,329 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:22:22,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:22:22 BoogieIcfgContainer [2024-11-19 10:22:22,342 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:22:22,342 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:22:22,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:22:22,342 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:22:22,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:22:12" (3/4) ... [2024-11-19 10:22:22,345 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 10:22:22,352 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-19 10:22:22,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-19 10:22:22,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 10:22:22,353 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:22:22,446 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:22:22,447 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 10:22:22,447 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:22:22,447 INFO L158 Benchmark]: Toolchain (without parser) took 10928.30ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 126.1MB in the beginning and 204.8MB in the end (delta: -78.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:22:22,448 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 100.7MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:22:22,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.15ms. Allocated memory is still 172.0MB. Free memory was 125.5MB in the beginning and 112.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 10:22:22,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.19ms. Allocated memory is still 172.0MB. Free memory was 112.9MB in the beginning and 111.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:22:22,448 INFO L158 Benchmark]: Boogie Preprocessor took 44.57ms. Allocated memory is still 172.0MB. Free memory was 111.4MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:22:22,448 INFO L158 Benchmark]: RCFGBuilder took 393.41ms. Allocated memory is still 172.0MB. Free memory was 109.3MB in the beginning and 137.3MB in the end (delta: -27.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 10:22:22,449 INFO L158 Benchmark]: TraceAbstraction took 10097.99ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 136.2MB in the beginning and 210.1MB in the end (delta: -73.9MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. [2024-11-19 10:22:22,449 INFO L158 Benchmark]: Witness Printer took 104.87ms. Allocated memory is still 249.6MB. Free memory was 210.1MB in the beginning and 204.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 10:22:22,450 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 100.7MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.15ms. Allocated memory is still 172.0MB. Free memory was 125.5MB in the beginning and 112.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.19ms. Allocated memory is still 172.0MB. Free memory was 112.9MB in the beginning and 111.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.57ms. Allocated memory is still 172.0MB. Free memory was 111.4MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.41ms. Allocated memory is still 172.0MB. Free memory was 109.3MB in the beginning and 137.3MB in the end (delta: -27.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10097.99ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 136.2MB in the beginning and 210.1MB in the end (delta: -73.9MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. * Witness Printer took 104.87ms. Allocated memory is still 249.6MB. Free memory was 210.1MB in the beginning and 204.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 23, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 854 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 854 mSDsluCounter, 2551 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1922 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1525 IncrementalHoareTripleChecker+Invalid, 1565 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 629 mSDtfsCounter, 1525 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1112 GetRequests, 892 SyntacticMatches, 13 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=22, InterpolantAutomatonStates: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 23 MinimizatonAttempts, 82 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1501 NumberOfCodeBlocks, 1229 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1927 ConstructedInterpolants, 0 QuantifiedInterpolants, 5251 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1495 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 42 InterpolantComputations, 14 PerfectInterpolantSequences, 2715/3217 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((5 == n) && (0 <= (2147483649 + lh))) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((0 <= (i + 2147483648)) && (5 == n)) && (0 <= (2147483649 + lh))) && (lh <= 4)) - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: (((i == 0) && (5 == n)) || ((5 == n) && (1 <= i))) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: ((5 == n) && (i <= 4)) RESULT: Ultimate proved your program to be correct! [2024-11-19 10:22:22,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE