./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/bresenham-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/bresenham-ll.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68505a1040934ea3cdccf61a3fb1a3debf8c6c64330c175637d96b2737c92d5f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:29:55,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:29:55,098 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:29:55,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:29:55,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:29:55,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:29:55,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:29:55,145 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:29:55,146 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:29:55,147 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:29:55,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:29:55,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:29:55,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:29:55,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:29:55,151 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:29:55,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:29:55,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:29:55,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:29:55,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:29:55,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:29:55,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:29:55,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:29:55,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:29:55,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:29:55,162 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:29:55,162 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:29:55,163 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:29:55,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:29:55,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:29:55,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:29:55,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:29:55,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:29:55,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:29:55,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:29:55,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:29:55,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:29:55,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:29:55,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:29:55,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:29:55,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:29:55,174 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:29:55,174 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:29:55,175 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:29:55,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:29:55,175 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68505a1040934ea3cdccf61a3fb1a3debf8c6c64330c175637d96b2737c92d5f [2024-11-09 11:29:55,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:29:55,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:29:55,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:29:55,460 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:29:55,463 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:29:55,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/bresenham-ll.c [2024-11-09 11:29:56,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:29:57,130 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:29:57,131 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/bresenham-ll.c [2024-11-09 11:29:57,142 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86f59245d/32f20ea074e246f8941d9f5fcaa9e870/FLAG9db886def [2024-11-09 11:29:57,523 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86f59245d/32f20ea074e246f8941d9f5fcaa9e870 [2024-11-09 11:29:57,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:29:57,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:29:57,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:29:57,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:29:57,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:29:57,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1029b206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57, skipping insertion in model container [2024-11-09 11:29:57,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,561 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:29:57,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:29:57,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:29:57,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:29:57,819 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:29:57,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57 WrapperNode [2024-11-09 11:29:57,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:29:57,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:29:57,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:29:57,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:29:57,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,856 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 114 [2024-11-09 11:29:57,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:29:57,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:29:57,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:29:57,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:29:57,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,869 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,881 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:29:57,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:29:57,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:29:57,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:29:57,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:29:57,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57" (1/1) ... [2024-11-09 11:29:57,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:29:57,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:29:57,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:29:57,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:29:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:29:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:29:57,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:29:57,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:29:57,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:29:57,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:29:58,060 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:29:58,062 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:29:58,536 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-11-09 11:29:58,536 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:29:58,563 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:29:58,565 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:29:58,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:29:58 BoogieIcfgContainer [2024-11-09 11:29:58,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:29:58,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:29:58,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:29:58,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:29:58,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:29:57" (1/3) ... [2024-11-09 11:29:58,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762a000e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:29:58, skipping insertion in model container [2024-11-09 11:29:58,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:29:57" (2/3) ... [2024-11-09 11:29:58,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762a000e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:29:58, skipping insertion in model container [2024-11-09 11:29:58,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:29:58" (3/3) ... [2024-11-09 11:29:58,577 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll.c [2024-11-09 11:29:58,595 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:29:58,595 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-09 11:29:58,671 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:29:58,681 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;@23632088, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:29:58,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-09 11:29:58,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 72 states have (on average 1.875) internal successors, (135), 130 states have internal predecessors, (135), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:29:58,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 11:29:58,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:58,693 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 11:29:58,694 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:29:58,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:58,700 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-09 11:29:58,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:58,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873802693] [2024-11-09 11:29:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:58,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:58,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:58,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873802693] [2024-11-09 11:29:58,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873802693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:29:58,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:29:58,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:29:58,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777225982] [2024-11-09 11:29:58,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:29:58,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:29:58,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:58,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:29:58,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:29:58,909 INFO L87 Difference]: Start difference. First operand has 134 states, 72 states have (on average 1.875) internal successors, (135), 130 states have internal predecessors, (135), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:59,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:59,162 INFO L93 Difference]: Finished difference Result 254 states and 269 transitions. [2024-11-09 11:29:59,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:29:59,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-11-09 11:29:59,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:59,174 INFO L225 Difference]: With dead ends: 254 [2024-11-09 11:29:59,174 INFO L226 Difference]: Without dead ends: 123 [2024-11-09 11:29:59,177 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 [2024-11-09 11:29:59,180 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 91 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:59,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 79 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:29:59,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-09 11:29:59,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-09 11:29:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 67 states have (on average 1.8208955223880596) internal successors, (122), 120 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:29:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 124 transitions. [2024-11-09 11:29:59,217 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 124 transitions. Word has length 3 [2024-11-09 11:29:59,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:59,217 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 124 transitions. [2024-11-09 11:29:59,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2024-11-09 11:29:59,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 11:29:59,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:59,218 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 11:29:59,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:29:59,219 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:29:59,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:59,220 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2024-11-09 11:29:59,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:59,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350658121] [2024-11-09 11:29:59,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:59,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:59,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:59,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350658121] [2024-11-09 11:29:59,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350658121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:29:59,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:29:59,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:29:59,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230918677] [2024-11-09 11:29:59,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:29:59,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:29:59,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:59,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:29:59,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:29:59,272 INFO L87 Difference]: Start difference. First operand 123 states and 124 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:59,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:59,390 INFO L93 Difference]: Finished difference Result 123 states and 124 transitions. [2024-11-09 11:29:59,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:29:59,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 11:29:59,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:59,392 INFO L225 Difference]: With dead ends: 123 [2024-11-09 11:29:59,392 INFO L226 Difference]: Without dead ends: 119 [2024-11-09 11:29:59,392 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 [2024-11-09 11:29:59,393 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 88 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:59,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 70 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:29:59,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-09 11:29:59,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-09 11:29:59,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 67 states have (on average 1.7611940298507462) internal successors, (118), 116 states have internal predecessors, (118), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:29:59,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 120 transitions. [2024-11-09 11:29:59,419 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 120 transitions. Word has length 4 [2024-11-09 11:29:59,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:59,420 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 120 transitions. [2024-11-09 11:29:59,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:59,422 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2024-11-09 11:29:59,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 11:29:59,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:59,422 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 11:29:59,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:29:59,423 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:29:59,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:59,423 INFO L85 PathProgramCache]: Analyzing trace with hash 28692770, now seen corresponding path program 1 times [2024-11-09 11:29:59,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:59,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358934494] [2024-11-09 11:29:59,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:59,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:59,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:59,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:59,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358934494] [2024-11-09 11:29:59,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358934494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:29:59,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:29:59,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:29:59,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085936276] [2024-11-09 11:29:59,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:29:59,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:29:59,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:59,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:29:59,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:29:59,479 INFO L87 Difference]: Start difference. First operand 119 states and 120 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:59,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:59,694 INFO L93 Difference]: Finished difference Result 119 states and 120 transitions. [2024-11-09 11:29:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:29:59,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 11:29:59,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:59,696 INFO L225 Difference]: With dead ends: 119 [2024-11-09 11:29:59,699 INFO L226 Difference]: Without dead ends: 118 [2024-11-09 11:29:59,699 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 [2024-11-09 11:29:59,700 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 81 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:59,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 56 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:29:59,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-09 11:29:59,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-09 11:29:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 67 states have (on average 1.7462686567164178) internal successors, (117), 115 states have internal predecessors, (117), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:29:59,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 119 transitions. [2024-11-09 11:29:59,715 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 119 transitions. Word has length 5 [2024-11-09 11:29:59,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:59,716 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 119 transitions. [2024-11-09 11:29:59,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:29:59,716 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 119 transitions. [2024-11-09 11:29:59,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 11:29:59,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:59,717 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 11:29:59,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:29:59,717 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:29:59,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:59,718 INFO L85 PathProgramCache]: Analyzing trace with hash 889475910, now seen corresponding path program 1 times [2024-11-09 11:29:59,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:59,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881001310] [2024-11-09 11:29:59,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:59,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:29:59,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:29:59,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:29:59,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881001310] [2024-11-09 11:29:59,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881001310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:29:59,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:29:59,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:29:59,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478638325] [2024-11-09 11:29:59,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:29:59,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:29:59,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:29:59,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:29:59,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:29:59,772 INFO L87 Difference]: Start difference. First operand 118 states and 119 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2024-11-09 11:29:59,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:29:59,949 INFO L93 Difference]: Finished difference Result 118 states and 119 transitions. [2024-11-09 11:29:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:29:59,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 [2024-11-09 11:29:59,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:29:59,951 INFO L225 Difference]: With dead ends: 118 [2024-11-09 11:29:59,951 INFO L226 Difference]: Without dead ends: 117 [2024-11-09 11:29:59,951 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 [2024-11-09 11:29:59,953 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 80 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:29:59,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 56 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:29:59,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-09 11:29:59,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-09 11:29:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 67 states have (on average 1.7313432835820894) internal successors, (116), 114 states have internal predecessors, (116), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:29:59,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 118 transitions. [2024-11-09 11:29:59,969 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 118 transitions. Word has length 6 [2024-11-09 11:29:59,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:29:59,970 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 118 transitions. [2024-11-09 11:29:59,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2024-11-09 11:29:59,970 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2024-11-09 11:29:59,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:29:59,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:29:59,974 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:29:59,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:29:59,975 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:29:59,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:29:59,975 INFO L85 PathProgramCache]: Analyzing trace with hash 87859176, now seen corresponding path program 1 times [2024-11-09 11:29:59,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:29:59,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383721430] [2024-11-09 11:29:59,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:59,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:29:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:29:59,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621450694] [2024-11-09 11:29:59,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:29:59,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:29:59,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:29:59,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:29:59,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:30:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:00,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:30:00,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:00,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:00,047 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:00,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:00,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383721430] [2024-11-09 11:30:00,048 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:00,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621450694] [2024-11-09 11:30:00,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621450694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:00,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:00,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:30:00,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459339743] [2024-11-09 11:30:00,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:00,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:30:00,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:00,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:30:00,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:30:00,051 INFO L87 Difference]: Start difference. First operand 117 states and 118 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:00,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:00,135 INFO L93 Difference]: Finished difference Result 186 states and 190 transitions. [2024-11-09 11:30:00,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:30:00,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 11:30:00,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:00,137 INFO L225 Difference]: With dead ends: 186 [2024-11-09 11:30:00,137 INFO L226 Difference]: Without dead ends: 180 [2024-11-09 11:30:00,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:30:00,139 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 61 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:00,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 209 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:30:00,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-09 11:30:00,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 142. [2024-11-09 11:30:00,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 91 states have (on average 1.7032967032967032) internal successors, (155), 138 states have internal predecessors, (155), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 159 transitions. [2024-11-09 11:30:00,151 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 159 transitions. Word has length 8 [2024-11-09 11:30:00,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:00,151 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 159 transitions. [2024-11-09 11:30:00,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:00,152 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 159 transitions. [2024-11-09 11:30:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 11:30:00,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:00,152 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:00,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:00,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:00,353 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:00,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:00,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1466676086, now seen corresponding path program 1 times [2024-11-09 11:30:00,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:00,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711158431] [2024-11-09 11:30:00,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:00,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:00,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [480341967] [2024-11-09 11:30:00,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:00,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:00,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:00,367 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:00,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:30:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:00,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:30:00,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:00,412 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:00,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:00,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711158431] [2024-11-09 11:30:00,413 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:00,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480341967] [2024-11-09 11:30:00,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480341967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:00,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:00,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:30:00,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402002847] [2024-11-09 11:30:00,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:00,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:30:00,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:00,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:30:00,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:30:00,415 INFO L87 Difference]: Start difference. First operand 142 states and 159 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) [2024-11-09 11:30:00,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:00,503 INFO L93 Difference]: Finished difference Result 243 states and 264 transitions. [2024-11-09 11:30:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:30:00,504 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 [2024-11-09 11:30:00,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:00,505 INFO L225 Difference]: With dead ends: 243 [2024-11-09 11:30:00,506 INFO L226 Difference]: Without dead ends: 237 [2024-11-09 11:30:00,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:30:00,507 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 91 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:00,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 207 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:30:00,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-09 11:30:00,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 191. [2024-11-09 11:30:00,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 139 states have (on average 1.6906474820143884) internal successors, (235), 186 states have internal predecessors, (235), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:00,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 241 transitions. [2024-11-09 11:30:00,520 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 241 transitions. Word has length 10 [2024-11-09 11:30:00,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:00,520 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 241 transitions. [2024-11-09 11:30:00,520 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) [2024-11-09 11:30:00,521 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 241 transitions. [2024-11-09 11:30:00,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 11:30:00,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:00,521 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:00,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:30:00,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 11:30:00,726 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:00,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:00,726 INFO L85 PathProgramCache]: Analyzing trace with hash -726443732, now seen corresponding path program 1 times [2024-11-09 11:30:00,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:00,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283799685] [2024-11-09 11:30:00,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:00,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:00,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [506499993] [2024-11-09 11:30:00,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:00,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:00,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:00,746 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:00,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:30:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:00,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:30:00,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:00,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:00,819 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:00,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:00,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283799685] [2024-11-09 11:30:00,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:00,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506499993] [2024-11-09 11:30:00,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506499993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:00,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:00,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:00,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275100073] [2024-11-09 11:30:00,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:00,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:00,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:00,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:00,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:00,821 INFO L87 Difference]: Start difference. First operand 191 states and 241 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:01,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:01,015 INFO L93 Difference]: Finished difference Result 263 states and 316 transitions. [2024-11-09 11:30:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:30:01,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2024-11-09 11:30:01,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:01,017 INFO L225 Difference]: With dead ends: 263 [2024-11-09 11:30:01,018 INFO L226 Difference]: Without dead ends: 261 [2024-11-09 11:30:01,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:01,019 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 130 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:01,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 220 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:01,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-09 11:30:01,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 192. [2024-11-09 11:30:01,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 140 states have (on average 1.6785714285714286) internal successors, (235), 187 states have internal predecessors, (235), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:01,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 241 transitions. [2024-11-09 11:30:01,040 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 241 transitions. Word has length 12 [2024-11-09 11:30:01,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:01,040 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 241 transitions. [2024-11-09 11:30:01,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 241 transitions. [2024-11-09 11:30:01,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 11:30:01,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:01,041 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:01,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:30:01,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:01,242 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:01,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:01,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1044919151, now seen corresponding path program 1 times [2024-11-09 11:30:01,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:01,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254646856] [2024-11-09 11:30:01,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:01,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:01,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [745300970] [2024-11-09 11:30:01,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:01,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:01,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:01,256 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:01,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:30:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:01,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:30:01,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:01,334 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:01,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:01,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254646856] [2024-11-09 11:30:01,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:01,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745300970] [2024-11-09 11:30:01,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745300970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:01,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:01,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:01,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860683320] [2024-11-09 11:30:01,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:01,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:01,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:01,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:01,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:01,340 INFO L87 Difference]: Start difference. First operand 192 states and 241 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:01,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:01,591 INFO L93 Difference]: Finished difference Result 262 states and 314 transitions. [2024-11-09 11:30:01,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:30:01,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-09 11:30:01,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:01,593 INFO L225 Difference]: With dead ends: 262 [2024-11-09 11:30:01,593 INFO L226 Difference]: Without dead ends: 260 [2024-11-09 11:30:01,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:01,594 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 128 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:01,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 223 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:01,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-09 11:30:01,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 193. [2024-11-09 11:30:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 141 states have (on average 1.6666666666666667) internal successors, (235), 188 states have internal predecessors, (235), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:01,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 241 transitions. [2024-11-09 11:30:01,603 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 241 transitions. Word has length 13 [2024-11-09 11:30:01,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:01,604 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 241 transitions. [2024-11-09 11:30:01,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:01,604 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 241 transitions. [2024-11-09 11:30:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:30:01,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:01,605 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:01,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:30:01,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:01,806 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:01,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:01,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1967244750, now seen corresponding path program 1 times [2024-11-09 11:30:01,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:01,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905533724] [2024-11-09 11:30:01,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:01,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:01,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1150635196] [2024-11-09 11:30:01,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:01,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:01,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:01,819 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:01,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:30:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:01,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:30:01,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:01,891 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:01,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:01,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905533724] [2024-11-09 11:30:01,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:01,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150635196] [2024-11-09 11:30:01,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150635196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:01,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:01,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:01,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532347937] [2024-11-09 11:30:01,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:01,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:01,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:01,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:01,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:01,894 INFO L87 Difference]: Start difference. First operand 193 states and 241 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:02,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:02,027 INFO L93 Difference]: Finished difference Result 257 states and 274 transitions. [2024-11-09 11:30:02,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:30:02,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2024-11-09 11:30:02,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:02,029 INFO L225 Difference]: With dead ends: 257 [2024-11-09 11:30:02,029 INFO L226 Difference]: Without dead ends: 255 [2024-11-09 11:30:02,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:02,030 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 176 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:02,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 243 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:30:02,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-09 11:30:02,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 193. [2024-11-09 11:30:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 141 states have (on average 1.6453900709219857) internal successors, (232), 188 states have internal predecessors, (232), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 238 transitions. [2024-11-09 11:30:02,039 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 238 transitions. Word has length 14 [2024-11-09 11:30:02,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:02,040 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 238 transitions. [2024-11-09 11:30:02,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:02,040 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 238 transitions. [2024-11-09 11:30:02,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:30:02,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:02,041 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:02,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:02,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:02,242 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:02,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:02,242 INFO L85 PathProgramCache]: Analyzing trace with hash 855045171, now seen corresponding path program 1 times [2024-11-09 11:30:02,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:02,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169125303] [2024-11-09 11:30:02,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:02,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:02,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1922905963] [2024-11-09 11:30:02,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:02,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:02,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:02,257 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:02,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:30:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:02,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:30:02,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:02,313 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:02,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:02,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169125303] [2024-11-09 11:30:02,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:02,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922905963] [2024-11-09 11:30:02,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922905963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:02,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:02,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:02,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372255640] [2024-11-09 11:30:02,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:02,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:02,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:02,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:02,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:02,315 INFO L87 Difference]: Start difference. First operand 193 states and 238 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) [2024-11-09 11:30:02,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:02,494 INFO L93 Difference]: Finished difference Result 255 states and 271 transitions. [2024-11-09 11:30:02,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:30:02,494 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 [2024-11-09 11:30:02,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:02,495 INFO L225 Difference]: With dead ends: 255 [2024-11-09 11:30:02,495 INFO L226 Difference]: Without dead ends: 253 [2024-11-09 11:30:02,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:02,496 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 173 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:02,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 249 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:02,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-09 11:30:02,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 193. [2024-11-09 11:30:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 141 states have (on average 1.624113475177305) internal successors, (229), 188 states have internal predecessors, (229), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:02,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 235 transitions. [2024-11-09 11:30:02,506 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 235 transitions. Word has length 15 [2024-11-09 11:30:02,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:02,506 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 235 transitions. [2024-11-09 11:30:02,506 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) [2024-11-09 11:30:02,507 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 235 transitions. [2024-11-09 11:30:02,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 11:30:02,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:02,507 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:02,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:30:02,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:02,709 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:02,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:02,709 INFO L85 PathProgramCache]: Analyzing trace with hash 736596592, now seen corresponding path program 1 times [2024-11-09 11:30:02,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:02,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798232865] [2024-11-09 11:30:02,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:02,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:02,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [95829634] [2024-11-09 11:30:02,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:02,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:02,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:02,722 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:02,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:30:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:02,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:30:02,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:02,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:02,798 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:02,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:02,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798232865] [2024-11-09 11:30:02,799 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:02,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95829634] [2024-11-09 11:30:02,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95829634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:02,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:02,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:30:02,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704717395] [2024-11-09 11:30:02,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:02,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:30:02,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:02,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:30:02,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:02,800 INFO L87 Difference]: Start difference. First operand 193 states and 235 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) [2024-11-09 11:30:03,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:03,015 INFO L93 Difference]: Finished difference Result 257 states and 304 transitions. [2024-11-09 11:30:03,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:30:03,015 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 16 [2024-11-09 11:30:03,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:03,016 INFO L225 Difference]: With dead ends: 257 [2024-11-09 11:30:03,016 INFO L226 Difference]: Without dead ends: 255 [2024-11-09 11:30:03,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:30:03,017 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 182 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:03,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 223 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:03,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-09 11:30:03,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 196. [2024-11-09 11:30:03,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 144 states have (on average 1.6041666666666667) internal successors, (231), 191 states have internal predecessors, (231), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:03,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 237 transitions. [2024-11-09 11:30:03,026 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 237 transitions. Word has length 16 [2024-11-09 11:30:03,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:03,026 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 237 transitions. [2024-11-09 11:30:03,026 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) [2024-11-09 11:30:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 237 transitions. [2024-11-09 11:30:03,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 11:30:03,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:03,026 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:03,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:30:03,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:03,227 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:03,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:03,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1359657941, now seen corresponding path program 1 times [2024-11-09 11:30:03,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:03,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925071662] [2024-11-09 11:30:03,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:03,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:03,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [349202803] [2024-11-09 11:30:03,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:03,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:03,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:03,239 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:03,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:30:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:03,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:30:03,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:03,325 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:03,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:03,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925071662] [2024-11-09 11:30:03,326 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:03,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349202803] [2024-11-09 11:30:03,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349202803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:03,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:03,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:30:03,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497555936] [2024-11-09 11:30:03,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:03,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:30:03,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:03,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:30:03,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:03,327 INFO L87 Difference]: Start difference. First operand 196 states and 237 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:03,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:03,516 INFO L93 Difference]: Finished difference Result 256 states and 270 transitions. [2024-11-09 11:30:03,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:30:03,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2024-11-09 11:30:03,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:03,517 INFO L225 Difference]: With dead ends: 256 [2024-11-09 11:30:03,517 INFO L226 Difference]: Without dead ends: 254 [2024-11-09 11:30:03,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:30:03,518 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 241 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:03,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 254 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:03,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-09 11:30:03,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 196. [2024-11-09 11:30:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 144 states have (on average 1.5833333333333333) internal successors, (228), 191 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:03,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 234 transitions. [2024-11-09 11:30:03,527 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 234 transitions. Word has length 17 [2024-11-09 11:30:03,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:03,527 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 234 transitions. [2024-11-09 11:30:03,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:03,528 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 234 transitions. [2024-11-09 11:30:03,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 11:30:03,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:03,528 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:03,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:30:03,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 11:30:03,729 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:03,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:03,730 INFO L85 PathProgramCache]: Analyzing trace with hash -800276718, now seen corresponding path program 1 times [2024-11-09 11:30:03,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:03,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616497241] [2024-11-09 11:30:03,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:03,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:03,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460630697] [2024-11-09 11:30:03,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:03,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:03,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:03,747 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:03,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:30:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:03,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:30:03,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:03,928 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:03,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:03,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616497241] [2024-11-09 11:30:03,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:03,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460630697] [2024-11-09 11:30:03,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460630697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:03,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:03,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:30:03,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191384262] [2024-11-09 11:30:03,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:03,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:30:03,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:03,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:30:03,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:30:03,931 INFO L87 Difference]: Start difference. First operand 196 states and 234 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:04,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:04,196 INFO L93 Difference]: Finished difference Result 248 states and 298 transitions. [2024-11-09 11:30:04,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:30:04,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2024-11-09 11:30:04,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:04,198 INFO L225 Difference]: With dead ends: 248 [2024-11-09 11:30:04,198 INFO L226 Difference]: Without dead ends: 246 [2024-11-09 11:30:04,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:30:04,199 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 260 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:04,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 181 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:04,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-09 11:30:04,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 198. [2024-11-09 11:30:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 146 states have (on average 1.5684931506849316) internal successors, (229), 193 states have internal predecessors, (229), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:04,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 235 transitions. [2024-11-09 11:30:04,210 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 235 transitions. Word has length 18 [2024-11-09 11:30:04,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:04,211 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 235 transitions. [2024-11-09 11:30:04,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:04,211 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 235 transitions. [2024-11-09 11:30:04,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 11:30:04,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:04,211 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:04,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:04,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 11:30:04,412 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:04,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:04,412 INFO L85 PathProgramCache]: Analyzing trace with hash 961225591, now seen corresponding path program 1 times [2024-11-09 11:30:04,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:04,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438231243] [2024-11-09 11:30:04,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:04,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:04,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [395248400] [2024-11-09 11:30:04,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:04,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:04,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:04,424 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:04,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:30:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:04,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:30:04,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:04,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:04,582 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:04,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:04,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438231243] [2024-11-09 11:30:04,582 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:04,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395248400] [2024-11-09 11:30:04,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395248400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:04,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:04,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:30:04,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504642797] [2024-11-09 11:30:04,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:04,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:30:04,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:04,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:30:04,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:30:04,584 INFO L87 Difference]: Start difference. First operand 198 states and 235 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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) [2024-11-09 11:30:04,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:04,936 INFO L93 Difference]: Finished difference Result 248 states and 296 transitions. [2024-11-09 11:30:04,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:30:04,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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 19 [2024-11-09 11:30:04,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:04,938 INFO L225 Difference]: With dead ends: 248 [2024-11-09 11:30:04,938 INFO L226 Difference]: Without dead ends: 246 [2024-11-09 11:30:04,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:30:04,939 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 245 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:04,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 181 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:30:04,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-09 11:30:04,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 199. [2024-11-09 11:30:04,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 147 states have (on average 1.5578231292517006) internal successors, (229), 194 states have internal predecessors, (229), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 235 transitions. [2024-11-09 11:30:04,946 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 235 transitions. Word has length 19 [2024-11-09 11:30:04,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:04,946 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 235 transitions. [2024-11-09 11:30:04,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 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) [2024-11-09 11:30:04,946 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 235 transitions. [2024-11-09 11:30:04,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 11:30:04,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:04,947 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:04,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:05,147 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,SelfDestructingSolverStorable13 [2024-11-09 11:30:05,147 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:05,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:05,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1324693590, now seen corresponding path program 1 times [2024-11-09 11:30:05,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:05,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119262657] [2024-11-09 11:30:05,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:05,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:05,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [509421925] [2024-11-09 11:30:05,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:05,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:05,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:05,171 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:05,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:30:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:05,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:30:05,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:05,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:05,380 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:05,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:05,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119262657] [2024-11-09 11:30:05,381 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:05,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509421925] [2024-11-09 11:30:05,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509421925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:05,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:05,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:30:05,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222891577] [2024-11-09 11:30:05,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:05,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:30:05,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:05,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:30:05,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:30:05,382 INFO L87 Difference]: Start difference. First operand 199 states and 235 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:05,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:05,846 INFO L93 Difference]: Finished difference Result 242 states and 294 transitions. [2024-11-09 11:30:05,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:30:05,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2024-11-09 11:30:05,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:05,848 INFO L225 Difference]: With dead ends: 242 [2024-11-09 11:30:05,848 INFO L226 Difference]: Without dead ends: 238 [2024-11-09 11:30:05,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:30:05,849 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 224 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:05,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 121 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:30:05,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-09 11:30:05,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 200. [2024-11-09 11:30:05,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 150 states have (on average 1.5266666666666666) internal successors, (229), 195 states have internal predecessors, (229), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:05,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 235 transitions. [2024-11-09 11:30:05,860 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 235 transitions. Word has length 22 [2024-11-09 11:30:05,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:05,860 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 235 transitions. [2024-11-09 11:30:05,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:05,860 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 235 transitions. [2024-11-09 11:30:05,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 11:30:05,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:05,861 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:05,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:30:06,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 11:30:06,062 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:06,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:06,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1884171589, now seen corresponding path program 1 times [2024-11-09 11:30:06,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:06,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681130430] [2024-11-09 11:30:06,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:06,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:06,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1547926663] [2024-11-09 11:30:06,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:06,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:06,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:06,088 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:06,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:30:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:30:06,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:06,286 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:30:06,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:06,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681130430] [2024-11-09 11:30:06,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:06,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547926663] [2024-11-09 11:30:06,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547926663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:06,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:06,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:30:06,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86327130] [2024-11-09 11:30:06,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:06,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:30:06,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:06,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:30:06,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:30:06,288 INFO L87 Difference]: Start difference. First operand 200 states and 235 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:06,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:06,670 INFO L93 Difference]: Finished difference Result 240 states and 288 transitions. [2024-11-09 11:30:06,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:30:06,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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 [2024-11-09 11:30:06,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:06,671 INFO L225 Difference]: With dead ends: 240 [2024-11-09 11:30:06,671 INFO L226 Difference]: Without dead ends: 236 [2024-11-09 11:30:06,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:30:06,672 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 223 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:06,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 111 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:30:06,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-09 11:30:06,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 199. [2024-11-09 11:30:06,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 151 states have (on average 1.5033112582781456) internal successors, (227), 194 states have internal predecessors, (227), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:06,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 233 transitions. [2024-11-09 11:30:06,678 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 233 transitions. Word has length 23 [2024-11-09 11:30:06,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:06,679 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 233 transitions. [2024-11-09 11:30:06,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:06,679 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 233 transitions. [2024-11-09 11:30:06,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 11:30:06,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:06,679 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:06,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:06,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 11:30:06,880 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:06,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:06,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1720222968, now seen corresponding path program 1 times [2024-11-09 11:30:06,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:06,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753803080] [2024-11-09 11:30:06,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:06,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:06,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:06,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:06,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753803080] [2024-11-09 11:30:06,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753803080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:06,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:06,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:06,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010351830] [2024-11-09 11:30:06,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:06,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:06,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:06,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:06,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:06,945 INFO L87 Difference]: Start difference. First operand 199 states and 233 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:07,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:07,235 INFO L93 Difference]: Finished difference Result 218 states and 258 transitions. [2024-11-09 11:30:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:30:07,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 [2024-11-09 11:30:07,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:07,237 INFO L225 Difference]: With dead ends: 218 [2024-11-09 11:30:07,237 INFO L226 Difference]: Without dead ends: 216 [2024-11-09 11:30:07,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:07,238 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 92 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:07,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 129 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:30:07,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-09 11:30:07,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 200. [2024-11-09 11:30:07,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 152 states have (on average 1.493421052631579) internal successors, (227), 195 states have internal predecessors, (227), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:07,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 233 transitions. [2024-11-09 11:30:07,246 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 233 transitions. Word has length 24 [2024-11-09 11:30:07,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:07,247 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 233 transitions. [2024-11-09 11:30:07,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:07,247 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 233 transitions. [2024-11-09 11:30:07,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:30:07,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:07,249 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:07,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 11:30:07,249 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:07,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:07,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1787304541, now seen corresponding path program 1 times [2024-11-09 11:30:07,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:07,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362045064] [2024-11-09 11:30:07,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:07,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:07,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:07,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:07,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362045064] [2024-11-09 11:30:07,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362045064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:07,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:07,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:07,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860103396] [2024-11-09 11:30:07,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:07,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:07,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:07,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:07,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:07,341 INFO L87 Difference]: Start difference. First operand 200 states and 233 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:07,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:07,608 INFO L93 Difference]: Finished difference Result 218 states and 256 transitions. [2024-11-09 11:30:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:07,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 25 [2024-11-09 11:30:07,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:07,610 INFO L225 Difference]: With dead ends: 218 [2024-11-09 11:30:07,610 INFO L226 Difference]: Without dead ends: 216 [2024-11-09 11:30:07,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:07,611 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 67 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:07,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 142 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:30:07,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-09 11:30:07,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 201. [2024-11-09 11:30:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 153 states have (on average 1.4836601307189543) internal successors, (227), 196 states have internal predecessors, (227), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 233 transitions. [2024-11-09 11:30:07,617 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 233 transitions. Word has length 25 [2024-11-09 11:30:07,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:07,617 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 233 transitions. [2024-11-09 11:30:07,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:30:07,617 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 233 transitions. [2024-11-09 11:30:07,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 11:30:07,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:07,618 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:07,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 11:30:07,618 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:07,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:07,619 INFO L85 PathProgramCache]: Analyzing trace with hash -109609582, now seen corresponding path program 1 times [2024-11-09 11:30:07,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:07,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908394600] [2024-11-09 11:30:07,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:07,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:07,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:07,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:07,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:07,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908394600] [2024-11-09 11:30:07,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908394600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:07,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:07,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:07,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987333394] [2024-11-09 11:30:07,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:07,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:07,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:07,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:07,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:07,717 INFO L87 Difference]: Start difference. First operand 201 states and 233 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:07,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:07,956 INFO L93 Difference]: Finished difference Result 217 states and 254 transitions. [2024-11-09 11:30:07,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:07,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-09 11:30:07,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:07,957 INFO L225 Difference]: With dead ends: 217 [2024-11-09 11:30:07,957 INFO L226 Difference]: Without dead ends: 216 [2024-11-09 11:30:07,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:07,958 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 163 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:07,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 101 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:07,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-09 11:30:07,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 205. [2024-11-09 11:30:07,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 157 states have (on average 1.4777070063694266) internal successors, (232), 200 states have internal predecessors, (232), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 238 transitions. [2024-11-09 11:30:07,966 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 238 transitions. Word has length 35 [2024-11-09 11:30:07,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:07,968 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 238 transitions. [2024-11-09 11:30:07,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:07,969 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 238 transitions. [2024-11-09 11:30:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 11:30:07,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:07,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:07,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 11:30:07,971 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:07,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:07,971 INFO L85 PathProgramCache]: Analyzing trace with hash 897070356, now seen corresponding path program 1 times [2024-11-09 11:30:07,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:07,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131709608] [2024-11-09 11:30:07,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:07,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:08,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:08,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:08,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:08,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131709608] [2024-11-09 11:30:08,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131709608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:08,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:08,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:08,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739401036] [2024-11-09 11:30:08,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:08,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:08,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:08,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:08,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:08,042 INFO L87 Difference]: Start difference. First operand 205 states and 238 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:08,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:08,138 INFO L93 Difference]: Finished difference Result 205 states and 238 transitions. [2024-11-09 11:30:08,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:08,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-09 11:30:08,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:08,139 INFO L225 Difference]: With dead ends: 205 [2024-11-09 11:30:08,139 INFO L226 Difference]: Without dead ends: 204 [2024-11-09 11:30:08,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:08,140 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 65 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:08,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 131 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:30:08,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-09 11:30:08,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-09 11:30:08,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 157 states have (on average 1.464968152866242) internal successors, (230), 199 states have internal predecessors, (230), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:08,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 236 transitions. [2024-11-09 11:30:08,154 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 236 transitions. Word has length 36 [2024-11-09 11:30:08,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:08,155 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 236 transitions. [2024-11-09 11:30:08,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:08,155 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 236 transitions. [2024-11-09 11:30:08,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:30:08,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:08,156 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:08,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 11:30:08,159 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:08,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:08,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1959755372, now seen corresponding path program 1 times [2024-11-09 11:30:08,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:08,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541630835] [2024-11-09 11:30:08,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:08,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:08,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:08,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:08,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:08,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541630835] [2024-11-09 11:30:08,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541630835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:08,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:08,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:08,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953050424] [2024-11-09 11:30:08,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:08,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:08,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:08,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:08,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:08,244 INFO L87 Difference]: Start difference. First operand 204 states and 236 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:08,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:08,423 INFO L93 Difference]: Finished difference Result 204 states and 236 transitions. [2024-11-09 11:30:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:08,423 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-09 11:30:08,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:08,424 INFO L225 Difference]: With dead ends: 204 [2024-11-09 11:30:08,424 INFO L226 Difference]: Without dead ends: 203 [2024-11-09 11:30:08,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:08,425 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 60 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:08,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 103 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:08,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-09 11:30:08,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-09 11:30:08,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 157 states have (on average 1.4585987261146496) internal successors, (229), 198 states have internal predecessors, (229), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:08,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 235 transitions. [2024-11-09 11:30:08,433 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 235 transitions. Word has length 37 [2024-11-09 11:30:08,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:08,433 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 235 transitions. [2024-11-09 11:30:08,433 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:08,434 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 235 transitions. [2024-11-09 11:30:08,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 11:30:08,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:08,434 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:08,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 11:30:08,435 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:08,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:08,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1203810474, now seen corresponding path program 1 times [2024-11-09 11:30:08,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:08,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982659332] [2024-11-09 11:30:08,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:08,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:08,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:08,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:08,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982659332] [2024-11-09 11:30:08,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982659332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:08,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:08,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:08,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83558812] [2024-11-09 11:30:08,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:08,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:08,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:08,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:08,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:08,495 INFO L87 Difference]: Start difference. First operand 203 states and 235 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:08,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:08,625 INFO L93 Difference]: Finished difference Result 223 states and 257 transitions. [2024-11-09 11:30:08,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:08,625 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-09 11:30:08,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:08,626 INFO L225 Difference]: With dead ends: 223 [2024-11-09 11:30:08,626 INFO L226 Difference]: Without dead ends: 221 [2024-11-09 11:30:08,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:08,627 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 17 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:08,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 292 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:30:08,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-09 11:30:08,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 218. [2024-11-09 11:30:08,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 172 states have (on average 1.436046511627907) internal successors, (247), 213 states have internal predecessors, (247), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:08,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 253 transitions. [2024-11-09 11:30:08,640 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 253 transitions. Word has length 38 [2024-11-09 11:30:08,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:08,640 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 253 transitions. [2024-11-09 11:30:08,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 253 transitions. [2024-11-09 11:30:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 11:30:08,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:08,641 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:08,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 11:30:08,642 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:08,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:08,642 INFO L85 PathProgramCache]: Analyzing trace with hash -622874272, now seen corresponding path program 1 times [2024-11-09 11:30:08,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:08,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236851563] [2024-11-09 11:30:08,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:08,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:08,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:08,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:08,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:08,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236851563] [2024-11-09 11:30:08,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236851563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:08,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:08,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:30:08,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204667232] [2024-11-09 11:30:08,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:08,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:30:08,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:08,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:30:08,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:08,726 INFO L87 Difference]: Start difference. First operand 218 states and 253 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:08,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:08,920 INFO L93 Difference]: Finished difference Result 219 states and 253 transitions. [2024-11-09 11:30:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:30:08,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-09 11:30:08,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:08,922 INFO L225 Difference]: With dead ends: 219 [2024-11-09 11:30:08,922 INFO L226 Difference]: Without dead ends: 218 [2024-11-09 11:30:08,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:30:08,922 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 142 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:08,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 146 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:08,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-09 11:30:08,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-09 11:30:08,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 172 states have (on average 1.430232558139535) internal successors, (246), 213 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 252 transitions. [2024-11-09 11:30:08,930 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 252 transitions. Word has length 38 [2024-11-09 11:30:08,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:08,930 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 252 transitions. [2024-11-09 11:30:08,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:08,930 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 252 transitions. [2024-11-09 11:30:08,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 11:30:08,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:08,931 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:08,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 11:30:08,932 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:08,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:08,932 INFO L85 PathProgramCache]: Analyzing trace with hash -2129233130, now seen corresponding path program 1 times [2024-11-09 11:30:08,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:08,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619448074] [2024-11-09 11:30:08,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:08,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:08,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:08,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:08,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:08,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619448074] [2024-11-09 11:30:08,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619448074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:08,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:08,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:08,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178660468] [2024-11-09 11:30:08,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:08,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:08,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:08,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:08,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:08,996 INFO L87 Difference]: Start difference. First operand 218 states and 252 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:09,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:09,126 INFO L93 Difference]: Finished difference Result 256 states and 266 transitions. [2024-11-09 11:30:09,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:09,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-11-09 11:30:09,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:09,128 INFO L225 Difference]: With dead ends: 256 [2024-11-09 11:30:09,128 INFO L226 Difference]: Without dead ends: 254 [2024-11-09 11:30:09,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:09,129 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 57 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:09,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 289 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:30:09,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-09 11:30:09,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 226. [2024-11-09 11:30:09,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 180 states have (on average 1.4055555555555554) internal successors, (253), 221 states have internal predecessors, (253), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:09,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 259 transitions. [2024-11-09 11:30:09,138 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 259 transitions. Word has length 39 [2024-11-09 11:30:09,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:09,139 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 259 transitions. [2024-11-09 11:30:09,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:09,139 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 259 transitions. [2024-11-09 11:30:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 11:30:09,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:09,140 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:09,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 11:30:09,142 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:09,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:09,142 INFO L85 PathProgramCache]: Analyzing trace with hash 259213322, now seen corresponding path program 1 times [2024-11-09 11:30:09,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:09,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275622348] [2024-11-09 11:30:09,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:09,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:09,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [288144247] [2024-11-09 11:30:09,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:09,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:09,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:09,161 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:09,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:30:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:09,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:30:09,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:09,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:09,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:09,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:09,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275622348] [2024-11-09 11:30:09,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:09,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288144247] [2024-11-09 11:30:09,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288144247] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:09,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:30:09,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 11:30:09,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882679372] [2024-11-09 11:30:09,715 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:09,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:30:09,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:09,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:30:09,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:30:09,716 INFO L87 Difference]: Start difference. First operand 226 states and 259 transitions. Second operand has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 10 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:12,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:12,255 INFO L93 Difference]: Finished difference Result 325 states and 396 transitions. [2024-11-09 11:30:12,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:30:12,255 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 10 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-09 11:30:12,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:12,257 INFO L225 Difference]: With dead ends: 325 [2024-11-09 11:30:12,258 INFO L226 Difference]: Without dead ends: 323 [2024-11-09 11:30:12,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:30:12,259 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 294 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:12,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 273 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 11:30:12,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-09 11:30:12,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 303. [2024-11-09 11:30:12,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 256 states have (on average 1.4296875) internal successors, (366), 296 states have internal predecessors, (366), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:30:12,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 376 transitions. [2024-11-09 11:30:12,281 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 376 transitions. Word has length 41 [2024-11-09 11:30:12,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:12,281 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 376 transitions. [2024-11-09 11:30:12,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 10 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:12,281 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 376 transitions. [2024-11-09 11:30:12,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:30:12,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:12,282 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:12,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:30:12,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 11:30:12,490 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:12,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:12,491 INFO L85 PathProgramCache]: Analyzing trace with hash -554321557, now seen corresponding path program 1 times [2024-11-09 11:30:12,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:12,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941970636] [2024-11-09 11:30:12,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:12,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:12,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1348363599] [2024-11-09 11:30:12,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:12,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:12,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:12,513 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:12,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:30:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:12,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:30:12,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:12,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:12,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:13,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:13,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941970636] [2024-11-09 11:30:13,362 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:13,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348363599] [2024-11-09 11:30:13,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348363599] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:13,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:30:13,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 11:30:13,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025822843] [2024-11-09 11:30:13,363 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:13,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:30:13,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:13,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:30:13,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:30:13,365 INFO L87 Difference]: Start difference. First operand 303 states and 376 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:15,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:15,770 INFO L93 Difference]: Finished difference Result 326 states and 392 transitions. [2024-11-09 11:30:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:30:15,771 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-09 11:30:15,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:15,772 INFO L225 Difference]: With dead ends: 326 [2024-11-09 11:30:15,773 INFO L226 Difference]: Without dead ends: 324 [2024-11-09 11:30:15,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:30:15,774 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 366 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:15,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 341 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-09 11:30:15,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-09 11:30:15,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 304. [2024-11-09 11:30:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 258 states have (on average 1.4108527131782946) internal successors, (364), 297 states have internal predecessors, (364), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:30:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 374 transitions. [2024-11-09 11:30:15,787 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 374 transitions. Word has length 42 [2024-11-09 11:30:15,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:15,788 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 374 transitions. [2024-11-09 11:30:15,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 374 transitions. [2024-11-09 11:30:15,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:30:15,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:15,789 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:15,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:15,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:15,993 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:15,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:15,993 INFO L85 PathProgramCache]: Analyzing trace with hash 355803214, now seen corresponding path program 1 times [2024-11-09 11:30:15,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:15,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514992645] [2024-11-09 11:30:15,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:15,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:16,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118868296] [2024-11-09 11:30:16,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:16,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:16,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:16,006 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:16,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:30:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:16,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:30:16,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:16,184 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:16,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:16,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:16,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514992645] [2024-11-09 11:30:16,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:16,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118868296] [2024-11-09 11:30:16,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118868296] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:16,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:30:16,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 11:30:16,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580639351] [2024-11-09 11:30:16,450 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:16,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:30:16,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:16,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:30:16,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:30:16,451 INFO L87 Difference]: Start difference. First operand 304 states and 374 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:20,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:20,170 INFO L93 Difference]: Finished difference Result 454 states and 555 transitions. [2024-11-09 11:30:20,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:30:20,171 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2024-11-09 11:30:20,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:20,172 INFO L225 Difference]: With dead ends: 454 [2024-11-09 11:30:20,172 INFO L226 Difference]: Without dead ends: 452 [2024-11-09 11:30:20,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:30:20,173 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 757 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:20,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 254 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-09 11:30:20,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2024-11-09 11:30:20,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 350. [2024-11-09 11:30:20,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 302 states have (on average 1.4271523178807948) internal successors, (431), 341 states have internal predecessors, (431), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 11:30:20,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 445 transitions. [2024-11-09 11:30:20,189 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 445 transitions. Word has length 45 [2024-11-09 11:30:20,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:20,190 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 445 transitions. [2024-11-09 11:30:20,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 445 transitions. [2024-11-09 11:30:20,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:30:20,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:20,191 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:20,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:20,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 11:30:20,396 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:20,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:20,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1855002193, now seen corresponding path program 1 times [2024-11-09 11:30:20,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:20,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631092402] [2024-11-09 11:30:20,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:20,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:20,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2116454468] [2024-11-09 11:30:20,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:20,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:20,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:20,415 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:20,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:30:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:20,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:30:20,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:20,613 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:20,614 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:21,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:21,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631092402] [2024-11-09 11:30:21,484 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:21,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116454468] [2024-11-09 11:30:21,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116454468] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:21,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:30:21,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-09 11:30:21,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45867311] [2024-11-09 11:30:21,485 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:21,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:30:21,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:21,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:30:21,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:30:21,486 INFO L87 Difference]: Start difference. First operand 350 states and 445 transitions. Second operand has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 14 states have internal predecessors, (84), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:25,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:25,362 INFO L93 Difference]: Finished difference Result 450 states and 564 transitions. [2024-11-09 11:30:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-09 11:30:25,362 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 14 states have internal predecessors, (84), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2024-11-09 11:30:25,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:25,364 INFO L225 Difference]: With dead ends: 450 [2024-11-09 11:30:25,364 INFO L226 Difference]: Without dead ends: 448 [2024-11-09 11:30:25,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2024-11-09 11:30:25,365 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 869 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:25,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 244 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 11:30:25,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-09 11:30:25,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 381. [2024-11-09 11:30:25,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 332 states have (on average 1.430722891566265) internal successors, (475), 371 states have internal predecessors, (475), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:30:25,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 491 transitions. [2024-11-09 11:30:25,381 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 491 transitions. Word has length 46 [2024-11-09 11:30:25,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:25,382 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 491 transitions. [2024-11-09 11:30:25,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.461538461538462) internal successors, (84), 14 states have internal predecessors, (84), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:25,382 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 491 transitions. [2024-11-09 11:30:25,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 11:30:25,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:25,383 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:25,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:30:25,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-09 11:30:25,587 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:25,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:25,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1815205214, now seen corresponding path program 1 times [2024-11-09 11:30:25,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:25,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796339335] [2024-11-09 11:30:25,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:25,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:25,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [404312816] [2024-11-09 11:30:25,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:25,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:25,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:25,605 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:25,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:30:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:25,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:30:25,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:25,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:25,782 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:26,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:26,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796339335] [2024-11-09 11:30:26,038 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:26,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404312816] [2024-11-09 11:30:26,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404312816] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:26,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:26,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:30:26,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260187610] [2024-11-09 11:30:26,038 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:26,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:30:26,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:26,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:30:26,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:30:26,040 INFO L87 Difference]: Start difference. First operand 381 states and 491 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:26,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:26,351 INFO L93 Difference]: Finished difference Result 398 states and 499 transitions. [2024-11-09 11:30:26,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:30:26,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2024-11-09 11:30:26,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:26,353 INFO L225 Difference]: With dead ends: 398 [2024-11-09 11:30:26,354 INFO L226 Difference]: Without dead ends: 394 [2024-11-09 11:30:26,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:30:26,355 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 161 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:26,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 391 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:30:26,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-09 11:30:26,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 377. [2024-11-09 11:30:26,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 332 states have (on average 1.4006024096385543) internal successors, (465), 367 states have internal predecessors, (465), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:30:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 481 transitions. [2024-11-09 11:30:26,373 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 481 transitions. Word has length 47 [2024-11-09 11:30:26,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:26,373 INFO L471 AbstractCegarLoop]: Abstraction has 377 states and 481 transitions. [2024-11-09 11:30:26,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 481 transitions. [2024-11-09 11:30:26,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 11:30:26,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:26,374 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:26,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:30:26,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 11:30:26,574 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:26,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:26,575 INFO L85 PathProgramCache]: Analyzing trace with hash 436786843, now seen corresponding path program 1 times [2024-11-09 11:30:26,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:26,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066395140] [2024-11-09 11:30:26,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:26,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:26,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1602893463] [2024-11-09 11:30:26,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:26,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:26,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:26,594 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:26,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:30:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:26,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:30:26,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:26,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:26,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:27,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:27,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066395140] [2024-11-09 11:30:27,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:27,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602893463] [2024-11-09 11:30:27,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602893463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:27,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:30:27,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:30:27,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357384134] [2024-11-09 11:30:27,669 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:27,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:30:27,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:27,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:30:27,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:30:27,670 INFO L87 Difference]: Start difference. First operand 377 states and 481 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:27,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:27,869 INFO L93 Difference]: Finished difference Result 497 states and 626 transitions. [2024-11-09 11:30:27,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:30:27,869 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2024-11-09 11:30:27,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:27,871 INFO L225 Difference]: With dead ends: 497 [2024-11-09 11:30:27,871 INFO L226 Difference]: Without dead ends: 495 [2024-11-09 11:30:27,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:30:27,872 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 289 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:27,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 323 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:27,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-09 11:30:27,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 445. [2024-11-09 11:30:27,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 398 states have (on average 1.4321608040201006) internal successors, (570), 433 states have internal predecessors, (570), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:30:27,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 590 transitions. [2024-11-09 11:30:27,889 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 590 transitions. Word has length 48 [2024-11-09 11:30:27,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:27,889 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 590 transitions. [2024-11-09 11:30:27,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:27,890 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 590 transitions. [2024-11-09 11:30:27,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 11:30:27,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:27,890 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:27,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:28,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:28,091 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:28,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:28,091 INFO L85 PathProgramCache]: Analyzing trace with hash 973928594, now seen corresponding path program 1 times [2024-11-09 11:30:28,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:28,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877965541] [2024-11-09 11:30:28,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:28,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:28,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1486128738] [2024-11-09 11:30:28,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:28,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:28,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:28,103 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:28,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:30:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:28,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:30:28,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:30:28,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:30:28,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:28,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877965541] [2024-11-09 11:30:28,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:28,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486128738] [2024-11-09 11:30:28,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486128738] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:28,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:30:28,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-09 11:30:28,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770004404] [2024-11-09 11:30:28,255 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:28,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:30:28,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:28,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:30:28,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:30:28,258 INFO L87 Difference]: Start difference. First operand 445 states and 590 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:28,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:28,489 INFO L93 Difference]: Finished difference Result 493 states and 621 transitions. [2024-11-09 11:30:28,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:30:28,490 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2024-11-09 11:30:28,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:28,492 INFO L225 Difference]: With dead ends: 493 [2024-11-09 11:30:28,492 INFO L226 Difference]: Without dead ends: 491 [2024-11-09 11:30:28,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:30:28,493 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 240 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:28,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 203 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:28,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-09 11:30:28,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 445. [2024-11-09 11:30:28,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 398 states have (on average 1.4221105527638191) internal successors, (566), 433 states have internal predecessors, (566), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:30:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 586 transitions. [2024-11-09 11:30:28,510 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 586 transitions. Word has length 49 [2024-11-09 11:30:28,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:28,511 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 586 transitions. [2024-11-09 11:30:28,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 586 transitions. [2024-11-09 11:30:28,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 11:30:28,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:28,511 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:28,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:28,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:28,712 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:28,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:28,713 INFO L85 PathProgramCache]: Analyzing trace with hash -357489484, now seen corresponding path program 1 times [2024-11-09 11:30:28,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:28,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237038115] [2024-11-09 11:30:28,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:28,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:28,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [854887695] [2024-11-09 11:30:28,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:28,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:28,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:28,731 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:28,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:30:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:28,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 11:30:28,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:29,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:29,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:29,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237038115] [2024-11-09 11:30:29,729 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:29,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854887695] [2024-11-09 11:30:29,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854887695] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:29,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:30:29,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-09 11:30:29,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974188494] [2024-11-09 11:30:29,730 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:29,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:30:29,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:29,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:30:29,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:30:29,731 INFO L87 Difference]: Start difference. First operand 445 states and 586 transitions. Second operand has 14 states, 13 states have (on average 7.230769230769231) internal successors, (94), 14 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:35,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:35,958 INFO L93 Difference]: Finished difference Result 514 states and 662 transitions. [2024-11-09 11:30:35,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 11:30:35,959 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.230769230769231) internal successors, (94), 14 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2024-11-09 11:30:35,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:35,961 INFO L225 Difference]: With dead ends: 514 [2024-11-09 11:30:35,961 INFO L226 Difference]: Without dead ends: 510 [2024-11-09 11:30:35,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2024-11-09 11:30:35,962 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 507 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:35,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 265 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1141 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-11-09 11:30:35,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-09 11:30:35,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 460. [2024-11-09 11:30:35,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 413 states have (on average 1.4019370460048426) internal successors, (579), 448 states have internal predecessors, (579), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:30:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 599 transitions. [2024-11-09 11:30:35,982 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 599 transitions. Word has length 51 [2024-11-09 11:30:35,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:35,982 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 599 transitions. [2024-11-09 11:30:35,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.230769230769231) internal successors, (94), 14 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:35,983 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 599 transitions. [2024-11-09 11:30:35,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 11:30:35,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:35,984 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:36,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-09 11:30:36,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-09 11:30:36,185 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:36,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:36,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1434008414, now seen corresponding path program 1 times [2024-11-09 11:30:36,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:36,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732384929] [2024-11-09 11:30:36,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:36,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:36,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1253552463] [2024-11-09 11:30:36,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:36,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:36,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:36,205 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:36,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:30:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:36,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:30:36,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:36,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:36,724 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:36,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:36,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732384929] [2024-11-09 11:30:36,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:36,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253552463] [2024-11-09 11:30:36,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253552463] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:36,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:30:36,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-11-09 11:30:36,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605567686] [2024-11-09 11:30:36,726 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:36,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:30:36,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:36,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:30:36,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:30:36,727 INFO L87 Difference]: Start difference. First operand 460 states and 599 transitions. Second operand has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:39,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:39,181 INFO L93 Difference]: Finished difference Result 610 states and 738 transitions. [2024-11-09 11:30:39,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 11:30:39,181 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2024-11-09 11:30:39,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:39,183 INFO L225 Difference]: With dead ends: 610 [2024-11-09 11:30:39,183 INFO L226 Difference]: Without dead ends: 609 [2024-11-09 11:30:39,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:30:39,184 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 844 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:39,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 406 Invalid, 777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 11:30:39,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-11-09 11:30:39,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 497. [2024-11-09 11:30:39,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 449 states have (on average 1.4053452115812917) internal successors, (631), 484 states have internal predecessors, (631), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:30:39,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 653 transitions. [2024-11-09 11:30:39,206 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 653 transitions. Word has length 51 [2024-11-09 11:30:39,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:39,206 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 653 transitions. [2024-11-09 11:30:39,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.833333333333333) internal successors, (94), 13 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:39,207 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 653 transitions. [2024-11-09 11:30:39,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:30:39,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:39,207 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:39,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-09 11:30:39,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-09 11:30:39,412 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:39,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:39,412 INFO L85 PathProgramCache]: Analyzing trace with hash -639204917, now seen corresponding path program 1 times [2024-11-09 11:30:39,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:39,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933307900] [2024-11-09 11:30:39,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:39,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:39,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:39,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:39,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:39,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933307900] [2024-11-09 11:30:39,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933307900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:39,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:39,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:39,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546246575] [2024-11-09 11:30:39,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:39,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:39,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:39,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:39,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:39,535 INFO L87 Difference]: Start difference. First operand 497 states and 653 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:39,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:39,792 INFO L93 Difference]: Finished difference Result 502 states and 658 transitions. [2024-11-09 11:30:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:39,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2024-11-09 11:30:39,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:39,796 INFO L225 Difference]: With dead ends: 502 [2024-11-09 11:30:39,796 INFO L226 Difference]: Without dead ends: 501 [2024-11-09 11:30:39,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:39,798 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 47 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:39,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 114 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:30:39,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2024-11-09 11:30:39,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 500. [2024-11-09 11:30:39,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 452 states have (on average 1.4026548672566372) internal successors, (634), 487 states have internal predecessors, (634), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:30:39,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 656 transitions. [2024-11-09 11:30:39,818 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 656 transitions. Word has length 52 [2024-11-09 11:30:39,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:39,819 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 656 transitions. [2024-11-09 11:30:39,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:39,819 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 656 transitions. [2024-11-09 11:30:39,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:30:39,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:39,820 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:39,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-09 11:30:39,820 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:39,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:39,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1802727957, now seen corresponding path program 1 times [2024-11-09 11:30:39,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:39,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366020325] [2024-11-09 11:30:39,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:39,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:39,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:39,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:39,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366020325] [2024-11-09 11:30:39,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366020325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:30:39,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106411193] [2024-11-09 11:30:39,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:39,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:39,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:39,891 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:39,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:30:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:39,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:30:39,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:39,991 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:39,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:40,067 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:40,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106411193] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:40,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:30:40,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-09 11:30:40,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135431469] [2024-11-09 11:30:40,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:40,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:30:40,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:40,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:30:40,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:30:40,069 INFO L87 Difference]: Start difference. First operand 500 states and 656 transitions. Second operand has 11 states, 10 states have (on average 12.2) internal successors, (122), 11 states have internal predecessors, (122), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:40,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:40,456 INFO L93 Difference]: Finished difference Result 501 states and 657 transitions. [2024-11-09 11:30:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:30:40,456 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.2) internal successors, (122), 11 states have internal predecessors, (122), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 52 [2024-11-09 11:30:40,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:40,458 INFO L225 Difference]: With dead ends: 501 [2024-11-09 11:30:40,458 INFO L226 Difference]: Without dead ends: 499 [2024-11-09 11:30:40,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:30:40,459 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 212 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:40,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 402 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:30:40,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-09 11:30:40,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 498. [2024-11-09 11:30:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 452 states have (on average 1.3738938053097345) internal successors, (621), 485 states have internal predecessors, (621), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:30:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 643 transitions. [2024-11-09 11:30:40,481 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 643 transitions. Word has length 52 [2024-11-09 11:30:40,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:40,481 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 643 transitions. [2024-11-09 11:30:40,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.2) internal successors, (122), 11 states have internal predecessors, (122), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 11:30:40,481 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 643 transitions. [2024-11-09 11:30:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:30:40,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:40,482 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:40,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:40,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:40,683 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:40,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:40,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1504587809, now seen corresponding path program 1 times [2024-11-09 11:30:40,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:40,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812372494] [2024-11-09 11:30:40,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:40,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:40,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [712074305] [2024-11-09 11:30:40,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:40,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:40,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:40,697 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:40,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:30:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:40,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:30:40,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:40,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:41,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:41,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812372494] [2024-11-09 11:30:41,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:41,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712074305] [2024-11-09 11:30:41,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712074305] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:41,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:30:41,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-11-09 11:30:41,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130782529] [2024-11-09 11:30:41,456 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:41,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:30:41,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:41,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:30:41,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:30:41,456 INFO L87 Difference]: Start difference. First operand 498 states and 643 transitions. Second operand has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:43,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:43,795 INFO L93 Difference]: Finished difference Result 607 states and 720 transitions. [2024-11-09 11:30:43,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 11:30:43,796 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2024-11-09 11:30:43,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:43,798 INFO L225 Difference]: With dead ends: 607 [2024-11-09 11:30:43,798 INFO L226 Difference]: Without dead ends: 605 [2024-11-09 11:30:43,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:30:43,799 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 913 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:43,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 411 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 11:30:43,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-09 11:30:43,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 498. [2024-11-09 11:30:43,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 452 states have (on average 1.3561946902654867) internal successors, (613), 485 states have internal predecessors, (613), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:30:43,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 635 transitions. [2024-11-09 11:30:43,819 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 635 transitions. Word has length 52 [2024-11-09 11:30:43,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:43,819 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 635 transitions. [2024-11-09 11:30:43,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.0) internal successors, (96), 13 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 635 transitions. [2024-11-09 11:30:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 11:30:43,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:43,820 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:43,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:44,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:44,021 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:44,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:44,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1659484226, now seen corresponding path program 1 times [2024-11-09 11:30:44,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:44,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903573992] [2024-11-09 11:30:44,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:44,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:44,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:30:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:44,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:44,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903573992] [2024-11-09 11:30:44,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903573992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:30:44,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:30:44,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:30:44,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881614067] [2024-11-09 11:30:44,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:30:44,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:30:44,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:44,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:30:44,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:30:44,096 INFO L87 Difference]: Start difference. First operand 498 states and 635 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:44,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:44,384 INFO L93 Difference]: Finished difference Result 500 states and 636 transitions. [2024-11-09 11:30:44,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:30:44,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2024-11-09 11:30:44,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:44,386 INFO L225 Difference]: With dead ends: 500 [2024-11-09 11:30:44,386 INFO L226 Difference]: Without dead ends: 477 [2024-11-09 11:30:44,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:30:44,387 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 44 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:44,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 115 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:30:44,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-09 11:30:44,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2024-11-09 11:30:44,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 431 states have (on average 1.37122969837587) internal successors, (591), 464 states have internal predecessors, (591), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:30:44,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 613 transitions. [2024-11-09 11:30:44,404 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 613 transitions. Word has length 53 [2024-11-09 11:30:44,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:44,405 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 613 transitions. [2024-11-09 11:30:44,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:30:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 613 transitions. [2024-11-09 11:30:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 11:30:44,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:44,405 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:44,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 11:30:44,406 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:44,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:44,406 INFO L85 PathProgramCache]: Analyzing trace with hash 602418244, now seen corresponding path program 1 times [2024-11-09 11:30:44,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:44,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150965417] [2024-11-09 11:30:44,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:44,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:44,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1531810276] [2024-11-09 11:30:44,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:44,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:44,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:44,421 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:44,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:30:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:44,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 11:30:44,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:44,822 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:46,213 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:46,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:46,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150965417] [2024-11-09 11:30:46,215 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:46,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531810276] [2024-11-09 11:30:46,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531810276] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:46,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:30:46,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-09 11:30:46,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542885125] [2024-11-09 11:30:46,216 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:46,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 11:30:46,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:46,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 11:30:46,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:30:46,217 INFO L87 Difference]: Start difference. First operand 477 states and 613 transitions. Second operand has 24 states, 23 states have (on average 4.086956521739131) internal successors, (94), 24 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:53,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:30:53,741 INFO L93 Difference]: Finished difference Result 554 states and 698 transitions. [2024-11-09 11:30:53,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-09 11:30:53,741 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.086956521739131) internal successors, (94), 24 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 53 [2024-11-09 11:30:53,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:30:53,743 INFO L225 Difference]: With dead ends: 554 [2024-11-09 11:30:53,743 INFO L226 Difference]: Without dead ends: 552 [2024-11-09 11:30:53,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=341, Invalid=1729, Unknown=0, NotChecked=0, Total=2070 [2024-11-09 11:30:53,744 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 493 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 2079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:30:53,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 397 Invalid, 2079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2057 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-09 11:30:53,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-09 11:30:53,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 479. [2024-11-09 11:30:53,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 433 states have (on average 1.3648960739030023) internal successors, (591), 466 states have internal predecessors, (591), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:30:53,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 613 transitions. [2024-11-09 11:30:53,761 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 613 transitions. Word has length 53 [2024-11-09 11:30:53,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:30:53,762 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 613 transitions. [2024-11-09 11:30:53,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.086956521739131) internal successors, (94), 24 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:30:53,762 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 613 transitions. [2024-11-09 11:30:53,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 11:30:53,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:30:53,763 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:30:53,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-09 11:30:53,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-09 11:30:53,963 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:30:53,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:30:53,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1495096449, now seen corresponding path program 1 times [2024-11-09 11:30:53,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:30:53,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331120826] [2024-11-09 11:30:53,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:53,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:30:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:30:53,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1099464029] [2024-11-09 11:30:53,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:30:53,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:30:53,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:30:53,982 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:30:53,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:30:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:30:54,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 11:30:54,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:30:54,271 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:54,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:30:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:30:55,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:30:55,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331120826] [2024-11-09 11:30:55,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:30:55,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099464029] [2024-11-09 11:30:55,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099464029] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:30:55,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:30:55,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-09 11:30:55,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500246059] [2024-11-09 11:30:55,142 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:30:55,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 11:30:55,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:30:55,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 11:30:55,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:30:55,143 INFO L87 Difference]: Start difference. First operand 479 states and 613 transitions. Second operand has 18 states, 17 states have (on average 5.882352941176471) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:04,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:04,489 INFO L93 Difference]: Finished difference Result 587 states and 745 transitions. [2024-11-09 11:31:04,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 11:31:04,490 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 5.882352941176471) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 54 [2024-11-09 11:31:04,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:04,491 INFO L225 Difference]: With dead ends: 587 [2024-11-09 11:31:04,491 INFO L226 Difference]: Without dead ends: 582 [2024-11-09 11:31:04,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=343, Invalid=1549, Unknown=0, NotChecked=0, Total=1892 [2024-11-09 11:31:04,492 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 680 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:04,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 205 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-11-09 11:31:04,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-09 11:31:04,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 493. [2024-11-09 11:31:04,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 447 states have (on average 1.3534675615212528) internal successors, (605), 480 states have internal predecessors, (605), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:31:04,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 627 transitions. [2024-11-09 11:31:04,522 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 627 transitions. Word has length 54 [2024-11-09 11:31:04,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:04,522 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 627 transitions. [2024-11-09 11:31:04,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 5.882352941176471) internal successors, (100), 18 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:04,523 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 627 transitions. [2024-11-09 11:31:04,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 11:31:04,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:04,523 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:04,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 11:31:04,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-09 11:31:04,724 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:31:04,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:04,724 INFO L85 PathProgramCache]: Analyzing trace with hash -896650266, now seen corresponding path program 1 times [2024-11-09 11:31:04,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:04,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611439767] [2024-11-09 11:31:04,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:04,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:31:04,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1235911660] [2024-11-09 11:31:04,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:04,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:04,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:04,737 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:04,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:31:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:04,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:31:04,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:04,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:31:04,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:05,113 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:31:05,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:05,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611439767] [2024-11-09 11:31:05,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:31:05,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235911660] [2024-11-09 11:31:05,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235911660] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:31:05,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:31:05,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-09 11:31:05,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347425241] [2024-11-09 11:31:05,113 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:05,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:31:05,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:05,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:31:05,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:31:05,114 INFO L87 Difference]: Start difference. First operand 493 states and 627 transitions. Second operand has 14 states, 13 states have (on average 7.538461538461538) internal successors, (98), 14 states have internal predecessors, (98), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:06,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:06,484 INFO L93 Difference]: Finished difference Result 595 states and 755 transitions. [2024-11-09 11:31:06,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-09 11:31:06,485 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.538461538461538) internal successors, (98), 14 states have internal predecessors, (98), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 55 [2024-11-09 11:31:06,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:06,486 INFO L225 Difference]: With dead ends: 595 [2024-11-09 11:31:06,486 INFO L226 Difference]: Without dead ends: 593 [2024-11-09 11:31:06,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=656, Unknown=0, NotChecked=0, Total=812 [2024-11-09 11:31:06,487 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 378 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:06,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 324 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:31:06,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-09 11:31:06,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 505. [2024-11-09 11:31:06,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 459 states have (on average 1.3572984749455337) internal successors, (623), 492 states have internal predecessors, (623), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 11:31:06,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 645 transitions. [2024-11-09 11:31:06,503 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 645 transitions. Word has length 55 [2024-11-09 11:31:06,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:06,503 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 645 transitions. [2024-11-09 11:31:06,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.538461538461538) internal successors, (98), 14 states have internal predecessors, (98), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:06,504 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 645 transitions. [2024-11-09 11:31:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 11:31:06,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:06,504 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:06,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-09 11:31:06,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-09 11:31:06,705 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:31:06,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:06,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1045061031, now seen corresponding path program 1 times [2024-11-09 11:31:06,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:06,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061071844] [2024-11-09 11:31:06,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:06,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:06,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:31:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:06,774 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:31:06,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:06,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061071844] [2024-11-09 11:31:06,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061071844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:06,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346341530] [2024-11-09 11:31:06,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:06,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:06,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:06,777 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:06,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:31:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:06,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:31:06,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:31:06,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:31:06,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346341530] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:31:06,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:31:06,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-09 11:31:06,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687341087] [2024-11-09 11:31:06,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:06,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:31:06,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:06,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:31:06,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:31:06,994 INFO L87 Difference]: Start difference. First operand 505 states and 645 transitions. Second operand has 9 states, 8 states have (on average 13.375) internal successors, (107), 9 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:07,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:07,369 INFO L93 Difference]: Finished difference Result 669 states and 874 transitions. [2024-11-09 11:31:07,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:31:07,369 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.375) internal successors, (107), 9 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 56 [2024-11-09 11:31:07,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:07,371 INFO L225 Difference]: With dead ends: 669 [2024-11-09 11:31:07,371 INFO L226 Difference]: Without dead ends: 667 [2024-11-09 11:31:07,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:31:07,373 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 210 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:07,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 233 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:31:07,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2024-11-09 11:31:07,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 635. [2024-11-09 11:31:07,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 586 states have (on average 1.3907849829351535) internal successors, (815), 619 states have internal predecessors, (815), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:31:07,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 843 transitions. [2024-11-09 11:31:07,403 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 843 transitions. Word has length 56 [2024-11-09 11:31:07,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:07,403 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 843 transitions. [2024-11-09 11:31:07,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.375) internal successors, (107), 9 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:07,404 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 843 transitions. [2024-11-09 11:31:07,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 11:31:07,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:07,404 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:07,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-09 11:31:07,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:07,606 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:31:07,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:07,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1962846490, now seen corresponding path program 1 times [2024-11-09 11:31:07,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:07,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909564081] [2024-11-09 11:31:07,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:07,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:07,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:31:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:31:07,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:07,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909564081] [2024-11-09 11:31:07,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909564081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:31:07,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:31:07,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:31:07,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289780702] [2024-11-09 11:31:07,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:31:07,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:31:07,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:07,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:31:07,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:31:07,671 INFO L87 Difference]: Start difference. First operand 635 states and 843 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:31:08,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:08,021 INFO L93 Difference]: Finished difference Result 879 states and 1189 transitions. [2024-11-09 11:31:08,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:31:08,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2024-11-09 11:31:08,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:08,025 INFO L225 Difference]: With dead ends: 879 [2024-11-09 11:31:08,025 INFO L226 Difference]: Without dead ends: 877 [2024-11-09 11:31:08,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:31:08,026 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 87 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:08,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 323 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:31:08,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2024-11-09 11:31:08,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 805. [2024-11-09 11:31:08,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 751 states have (on average 1.426098535286285) internal successors, (1071), 784 states have internal predecessors, (1071), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 11:31:08,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1109 transitions. [2024-11-09 11:31:08,068 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1109 transitions. Word has length 57 [2024-11-09 11:31:08,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:08,069 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1109 transitions. [2024-11-09 11:31:08,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 11:31:08,069 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1109 transitions. [2024-11-09 11:31:08,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 11:31:08,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:08,070 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:08,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-09 11:31:08,070 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:31:08,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:08,070 INFO L85 PathProgramCache]: Analyzing trace with hash 718699131, now seen corresponding path program 1 times [2024-11-09 11:31:08,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:08,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391772162] [2024-11-09 11:31:08,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:08,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:31:08,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813247753] [2024-11-09 11:31:08,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:08,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:08,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:08,096 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:08,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:31:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:08,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:31:08,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:08,443 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:31:08,444 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:08,768 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 11:31:08,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:08,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391772162] [2024-11-09 11:31:08,768 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:31:08,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813247753] [2024-11-09 11:31:08,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813247753] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:31:08,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:31:08,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2024-11-09 11:31:08,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607513952] [2024-11-09 11:31:08,768 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:08,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:31:08,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:08,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:31:08,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:31:08,769 INFO L87 Difference]: Start difference. First operand 805 states and 1109 transitions. Second operand has 13 states, 12 states have (on average 8.5) internal successors, (102), 13 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:11,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:11,161 INFO L93 Difference]: Finished difference Result 830 states and 1134 transitions. [2024-11-09 11:31:11,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 11:31:11,162 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.5) internal successors, (102), 13 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 58 [2024-11-09 11:31:11,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:11,164 INFO L225 Difference]: With dead ends: 830 [2024-11-09 11:31:11,164 INFO L226 Difference]: Without dead ends: 804 [2024-11-09 11:31:11,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:31:11,165 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 359 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:11,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 218 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 11:31:11,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2024-11-09 11:31:11,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 790. [2024-11-09 11:31:11,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 736 states have (on average 1.4293478260869565) internal successors, (1052), 769 states have internal predecessors, (1052), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 11:31:11,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1090 transitions. [2024-11-09 11:31:11,211 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1090 transitions. Word has length 58 [2024-11-09 11:31:11,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:11,212 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1090 transitions. [2024-11-09 11:31:11,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.5) internal successors, (102), 13 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1090 transitions. [2024-11-09 11:31:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 11:31:11,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:11,214 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:11,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-09 11:31:11,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:11,416 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:31:11,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:11,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1358421206, now seen corresponding path program 1 times [2024-11-09 11:31:11,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:11,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112017330] [2024-11-09 11:31:11,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:11,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:11,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:31:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:31:11,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:11,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112017330] [2024-11-09 11:31:11,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112017330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:11,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427120070] [2024-11-09 11:31:11,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:11,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:11,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:11,486 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:11,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:31:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:11,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:31:11,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:11,611 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:31:11,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:31:11,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427120070] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:31:11,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:31:11,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-09 11:31:11,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821620970] [2024-11-09 11:31:11,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:11,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:31:11,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:11,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:31:11,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:31:11,739 INFO L87 Difference]: Start difference. First operand 790 states and 1090 transitions. Second operand has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:12,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:12,122 INFO L93 Difference]: Finished difference Result 826 states and 1114 transitions. [2024-11-09 11:31:12,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:31:12,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2024-11-09 11:31:12,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:12,124 INFO L225 Difference]: With dead ends: 826 [2024-11-09 11:31:12,124 INFO L226 Difference]: Without dead ends: 824 [2024-11-09 11:31:12,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:31:12,125 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 156 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:12,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 255 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:31:12,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2024-11-09 11:31:12,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 794. [2024-11-09 11:31:12,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 740 states have (on average 1.412162162162162) internal successors, (1045), 773 states have internal predecessors, (1045), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 11:31:12,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1083 transitions. [2024-11-09 11:31:12,167 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1083 transitions. Word has length 59 [2024-11-09 11:31:12,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:12,167 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 1083 transitions. [2024-11-09 11:31:12,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:12,168 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1083 transitions. [2024-11-09 11:31:12,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 11:31:12,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:12,170 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:12,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-09 11:31:12,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:12,370 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:31:12,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:12,371 INFO L85 PathProgramCache]: Analyzing trace with hash 227281612, now seen corresponding path program 1 times [2024-11-09 11:31:12,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:12,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562876504] [2024-11-09 11:31:12,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:12,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:31:12,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [864133420] [2024-11-09 11:31:12,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:12,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:12,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:12,388 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:12,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:31:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:12,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 11:31:12,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:12,701 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:31:12,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:13,081 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 11:31:13,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:13,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562876504] [2024-11-09 11:31:13,082 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:31:13,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864133420] [2024-11-09 11:31:13,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864133420] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:31:13,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:31:13,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-09 11:31:13,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121218936] [2024-11-09 11:31:13,083 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:13,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:31:13,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:13,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:31:13,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:31:13,084 INFO L87 Difference]: Start difference. First operand 794 states and 1083 transitions. Second operand has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:16,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:16,502 INFO L93 Difference]: Finished difference Result 806 states and 1093 transitions. [2024-11-09 11:31:16,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-09 11:31:16,502 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 61 [2024-11-09 11:31:16,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:16,504 INFO L225 Difference]: With dead ends: 806 [2024-11-09 11:31:16,504 INFO L226 Difference]: Without dead ends: 804 [2024-11-09 11:31:16,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2024-11-09 11:31:16,505 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 306 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:16,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 142 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1327 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-09 11:31:16,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2024-11-09 11:31:16,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 799. [2024-11-09 11:31:16,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 746 states have (on average 1.4008042895442359) internal successors, (1045), 778 states have internal predecessors, (1045), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 11:31:16,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1083 transitions. [2024-11-09 11:31:16,543 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1083 transitions. Word has length 61 [2024-11-09 11:31:16,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:16,543 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1083 transitions. [2024-11-09 11:31:16,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.714285714285714) internal successors, (108), 15 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:16,543 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1083 transitions. [2024-11-09 11:31:16,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 11:31:16,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:16,544 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:16,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-09 11:31:16,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-09 11:31:16,744 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:31:16,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:16,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1544204535, now seen corresponding path program 1 times [2024-11-09 11:31:16,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:16,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679212378] [2024-11-09 11:31:16,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:16,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:31:16,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524361794] [2024-11-09 11:31:16,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:16,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:16,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:16,761 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:16,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:31:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:16,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 11:31:16,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:17,106 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:31:17,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:17,503 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 11:31:17,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:17,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679212378] [2024-11-09 11:31:17,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:31:17,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524361794] [2024-11-09 11:31:17,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524361794] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:31:17,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:31:17,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2024-11-09 11:31:17,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236553869] [2024-11-09 11:31:17,504 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:17,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:31:17,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:17,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:31:17,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:31:17,505 INFO L87 Difference]: Start difference. First operand 799 states and 1083 transitions. Second operand has 15 states, 14 states have (on average 7.857142857142857) internal successors, (110), 15 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:20,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:20,618 INFO L93 Difference]: Finished difference Result 801 states and 1084 transitions. [2024-11-09 11:31:20,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-09 11:31:20,619 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.857142857142857) internal successors, (110), 15 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 62 [2024-11-09 11:31:20,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:20,621 INFO L225 Difference]: With dead ends: 801 [2024-11-09 11:31:20,621 INFO L226 Difference]: Without dead ends: 800 [2024-11-09 11:31:20,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=128, Invalid=522, Unknown=0, NotChecked=0, Total=650 [2024-11-09 11:31:20,623 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 278 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:20,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 128 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1155 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-09 11:31:20,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-09 11:31:20,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 798. [2024-11-09 11:31:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 746 states have (on average 1.3806970509383378) internal successors, (1030), 777 states have internal predecessors, (1030), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 11:31:20,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1068 transitions. [2024-11-09 11:31:20,666 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1068 transitions. Word has length 62 [2024-11-09 11:31:20,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:20,667 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 1068 transitions. [2024-11-09 11:31:20,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.857142857142857) internal successors, (110), 15 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1068 transitions. [2024-11-09 11:31:20,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 11:31:20,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:20,668 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:20,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 11:31:20,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:20,872 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:31:20,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:20,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1713033264, now seen corresponding path program 1 times [2024-11-09 11:31:20,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:20,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431626204] [2024-11-09 11:31:20,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:20,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:20,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:31:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:20,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:31:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:20,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:20,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431626204] [2024-11-09 11:31:20,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431626204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:20,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616152019] [2024-11-09 11:31:20,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:20,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:20,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:20,943 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:20,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:31:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:20,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:31:20,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:21,167 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:21,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:21,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616152019] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:31:21,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:31:21,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-09 11:31:21,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541392803] [2024-11-09 11:31:21,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:21,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:31:21,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:21,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:31:21,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:31:21,266 INFO L87 Difference]: Start difference. First operand 798 states and 1068 transitions. Second operand has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:31:21,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:21,618 INFO L93 Difference]: Finished difference Result 1131 states and 1504 transitions. [2024-11-09 11:31:21,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:31:21,619 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 68 [2024-11-09 11:31:21,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:21,622 INFO L225 Difference]: With dead ends: 1131 [2024-11-09 11:31:21,623 INFO L226 Difference]: Without dead ends: 1130 [2024-11-09 11:31:21,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:31:21,624 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 677 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:21,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 357 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:31:21,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2024-11-09 11:31:21,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1000. [2024-11-09 11:31:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 942 states have (on average 1.3874734607218684) internal successors, (1307), 973 states have internal predecessors, (1307), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:31:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1357 transitions. [2024-11-09 11:31:21,679 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1357 transitions. Word has length 68 [2024-11-09 11:31:21,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:21,679 INFO L471 AbstractCegarLoop]: Abstraction has 1000 states and 1357 transitions. [2024-11-09 11:31:21,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:31:21,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1357 transitions. [2024-11-09 11:31:21,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 11:31:21,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:21,680 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:21,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-09 11:31:21,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:21,880 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:31:21,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:21,880 INFO L85 PathProgramCache]: Analyzing trace with hash 172658680, now seen corresponding path program 1 times [2024-11-09 11:31:21,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:21,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399012224] [2024-11-09 11:31:21,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:21,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:21,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:31:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:21,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:31:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:21,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:21,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399012224] [2024-11-09 11:31:21,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399012224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:21,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278120899] [2024-11-09 11:31:21,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:21,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:21,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:21,958 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:21,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-09 11:31:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:22,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:31:22,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:22,079 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:22,079 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:31:22,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278120899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:31:22,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:31:22,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 11:31:22,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241666149] [2024-11-09 11:31:22,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:31:22,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:31:22,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:22,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:31:22,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:31:22,080 INFO L87 Difference]: Start difference. First operand 1000 states and 1357 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:22,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:22,185 INFO L93 Difference]: Finished difference Result 1000 states and 1357 transitions. [2024-11-09 11:31:22,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:31:22,186 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 71 [2024-11-09 11:31:22,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:22,189 INFO L225 Difference]: With dead ends: 1000 [2024-11-09 11:31:22,189 INFO L226 Difference]: Without dead ends: 999 [2024-11-09 11:31:22,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:31:22,190 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 53 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:22,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 426 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:31:22,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2024-11-09 11:31:22,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 999. [2024-11-09 11:31:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 942 states have (on average 1.3641188959660298) internal successors, (1285), 972 states have internal predecessors, (1285), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 11:31:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1335 transitions. [2024-11-09 11:31:22,260 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1335 transitions. Word has length 71 [2024-11-09 11:31:22,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:22,261 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1335 transitions. [2024-11-09 11:31:22,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:31:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1335 transitions. [2024-11-09 11:31:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 11:31:22,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:22,262 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:22,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-09 11:31:22,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-09 11:31:22,462 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:31:22,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:22,463 INFO L85 PathProgramCache]: Analyzing trace with hash 753594882, now seen corresponding path program 1 times [2024-11-09 11:31:22,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:22,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489257983] [2024-11-09 11:31:22,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:22,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:22,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:31:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:22,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:31:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:22,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:22,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489257983] [2024-11-09 11:31:22,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489257983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:22,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519056776] [2024-11-09 11:31:22,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:22,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:22,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:22,531 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:22,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 11:31:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:22,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:31:22,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:22,731 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:22,911 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:22,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519056776] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:31:22,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:31:22,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-09 11:31:22,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941511712] [2024-11-09 11:31:22,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:22,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:31:22,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:22,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:31:22,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:31:22,912 INFO L87 Difference]: Start difference. First operand 999 states and 1335 transitions. Second operand has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:31:23,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:23,477 INFO L93 Difference]: Finished difference Result 1470 states and 1945 transitions. [2024-11-09 11:31:23,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:31:23,478 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 71 [2024-11-09 11:31:23,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:23,482 INFO L225 Difference]: With dead ends: 1470 [2024-11-09 11:31:23,483 INFO L226 Difference]: Without dead ends: 1469 [2024-11-09 11:31:23,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:31:23,484 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 402 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:23,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 501 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:31:23,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2024-11-09 11:31:23,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1258. [2024-11-09 11:31:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 1193 states have (on average 1.3704945515507125) internal successors, (1635), 1223 states have internal predecessors, (1635), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-09 11:31:23,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1701 transitions. [2024-11-09 11:31:23,577 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1701 transitions. Word has length 71 [2024-11-09 11:31:23,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:23,577 INFO L471 AbstractCegarLoop]: Abstraction has 1258 states and 1701 transitions. [2024-11-09 11:31:23,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.22222222222222) internal successors, (155), 10 states have internal predecessors, (155), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:31:23,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1701 transitions. [2024-11-09 11:31:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:31:23,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:23,578 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:23,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-09 11:31:23,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-09 11:31:23,779 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:31:23,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:23,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1057451910, now seen corresponding path program 1 times [2024-11-09 11:31:23,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:23,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780547273] [2024-11-09 11:31:23,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:23,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:31:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:31:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,848 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:23,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:23,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780547273] [2024-11-09 11:31:23,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780547273] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:23,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526611990] [2024-11-09 11:31:23,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:23,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:23,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:23,852 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:23,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-09 11:31:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:23,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:31:23,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:23,963 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:24,038 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:24,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526611990] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:31:24,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:31:24,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-09 11:31:24,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603407898] [2024-11-09 11:31:24,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:24,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:31:24,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:24,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:31:24,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:31:24,040 INFO L87 Difference]: Start difference. First operand 1258 states and 1701 transitions. Second operand has 12 states, 11 states have (on average 13.727272727272727) internal successors, (151), 12 states have internal predecessors, (151), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:31:24,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:24,241 INFO L93 Difference]: Finished difference Result 1559 states and 2071 transitions. [2024-11-09 11:31:24,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:31:24,242 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.727272727272727) internal successors, (151), 12 states have internal predecessors, (151), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 72 [2024-11-09 11:31:24,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:24,245 INFO L225 Difference]: With dead ends: 1559 [2024-11-09 11:31:24,245 INFO L226 Difference]: Without dead ends: 1558 [2024-11-09 11:31:24,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:31:24,246 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 95 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 713 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 [2024-11-09 11:31:24,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 713 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:31:24,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2024-11-09 11:31:24,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1507. [2024-11-09 11:31:24,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1507 states, 1437 states have (on average 1.347251217814892) internal successors, (1936), 1467 states have internal predecessors, (1936), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 11:31:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 2012 transitions. [2024-11-09 11:31:24,318 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 2012 transitions. Word has length 72 [2024-11-09 11:31:24,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:24,318 INFO L471 AbstractCegarLoop]: Abstraction has 1507 states and 2012 transitions. [2024-11-09 11:31:24,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.727272727272727) internal successors, (151), 12 states have internal predecessors, (151), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:31:24,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 2012 transitions. [2024-11-09 11:31:24,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 11:31:24,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:24,320 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:24,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-09 11:31:24,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-09 11:31:24,520 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:31:24,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:31:24,521 INFO L85 PathProgramCache]: Analyzing trace with hash -393579468, now seen corresponding path program 1 times [2024-11-09 11:31:24,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:31:24,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107397994] [2024-11-09 11:31:24,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:24,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:31:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:24,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:31:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:24,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:31:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:24,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:31:24,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107397994] [2024-11-09 11:31:24,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107397994] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:31:24,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691649297] [2024-11-09 11:31:24,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:31:24,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:31:24,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:31:24,637 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:31:24,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-09 11:31:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:31:24,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:31:24,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:31:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:25,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:31:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:31:25,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691649297] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:31:25,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:31:25,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 17 [2024-11-09 11:31:25,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785164652] [2024-11-09 11:31:25,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:31:25,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 11:31:25,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:31:25,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 11:31:25,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:31:25,330 INFO L87 Difference]: Start difference. First operand 1507 states and 2012 transitions. Second operand has 18 states, 17 states have (on average 11.294117647058824) internal successors, (192), 18 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:31:26,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:31:26,066 INFO L93 Difference]: Finished difference Result 1591 states and 2091 transitions. [2024-11-09 11:31:26,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 11:31:26,067 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.294117647058824) internal successors, (192), 18 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 75 [2024-11-09 11:31:26,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:31:26,070 INFO L225 Difference]: With dead ends: 1591 [2024-11-09 11:31:26,070 INFO L226 Difference]: Without dead ends: 1590 [2024-11-09 11:31:26,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 11:31:26,071 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 485 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:31:26,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 430 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:31:26,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2024-11-09 11:31:26,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1513. [2024-11-09 11:31:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 1443 states have (on average 1.343035343035343) internal successors, (1938), 1473 states have internal predecessors, (1938), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 11:31:26,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2014 transitions. [2024-11-09 11:31:26,140 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2014 transitions. Word has length 75 [2024-11-09 11:31:26,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:31:26,141 INFO L471 AbstractCegarLoop]: Abstraction has 1513 states and 2014 transitions. [2024-11-09 11:31:26,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.294117647058824) internal successors, (192), 18 states have internal predecessors, (192), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 11:31:26,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2014 transitions. [2024-11-09 11:31:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 11:31:26,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:31:26,142 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:31:26,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0