./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/egcd.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench/egcd.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 01ca8c8e30ceefcd4f6e4832a31edd1224d925e8551df750bd60cc922035a838 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:23:53,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:23:53,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:23:53,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:23:53,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:23:53,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:23:53,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:23:53,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:23:53,121 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:23:53,121 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:23:53,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:23:53,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:23:53,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:23:53,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:23:53,146 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:23:53,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:23:53,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:23:53,146 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:23:53,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:23:53,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:23:53,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:23:53,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:23:53,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:23:53,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:23:53,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:23:53,152 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:23:53,152 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:23:53,152 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:23:53,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:23:53,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:23:53,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:23:53,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:23:53,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:23:53,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:23:53,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:23:53,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:23:53,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:23:53,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:23:53,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:23:53,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:23:53,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:23:53,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:23:53,158 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:23:53,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:23:53,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01ca8c8e30ceefcd4f6e4832a31edd1224d925e8551df750bd60cc922035a838 [2024-11-22 22:23:53,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:23:53,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:23:53,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:23:53,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:23:53,456 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:23:53,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/egcd.c [2024-11-22 22:23:55,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:23:55,192 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:23:55,193 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/egcd.c [2024-11-22 22:23:55,203 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e2f3c49d/e23a727d54284dc1a17511ca082ef931/FLAG7a8cc615c [2024-11-22 22:23:55,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e2f3c49d/e23a727d54284dc1a17511ca082ef931 [2024-11-22 22:23:55,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:23:55,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:23:55,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:23:55,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:23:55,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:23:55,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218b84f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55, skipping insertion in model container [2024-11-22 22:23:55,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:23:55,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:23:55,836 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:23:55,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:23:55,882 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:23:55,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55 WrapperNode [2024-11-22 22:23:55,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:23:55,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:23:55,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:23:55,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:23:55,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,930 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2024-11-22 22:23:55,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:23:55,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:23:55,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:23:55,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:23:55,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,956 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,978 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-22 22:23:55,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:23:55,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:23:55,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:23:55,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:23:55,991 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55" (1/1) ... [2024-11-22 22:23:55,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:23:56,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:56,027 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) [2024-11-22 22:23:56,028 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 [2024-11-22 22:23:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:23:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 22:23:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 22:23:56,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:23:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 22:23:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:23:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:23:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:23:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:23:56,124 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:23:56,126 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:23:56,542 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-22 22:23:56,542 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:23:56,562 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:23:56,562 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:23:56,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:23:56 BoogieIcfgContainer [2024-11-22 22:23:56,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:23:56,566 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:23:56,567 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:23:56,571 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:23:56,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:23:55" (1/3) ... [2024-11-22 22:23:56,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612f0359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:23:56, skipping insertion in model container [2024-11-22 22:23:56,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:23:55" (2/3) ... [2024-11-22 22:23:56,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612f0359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:23:56, skipping insertion in model container [2024-11-22 22:23:56,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:23:56" (3/3) ... [2024-11-22 22:23:56,575 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd.c [2024-11-22 22:23:56,594 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:23:56,595 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-22 22:23:56,669 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:23:56,675 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;@19058597, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:23:56,675 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-22 22:23:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 22:23:56,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 22:23:56,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:56,685 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:56,685 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:56,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:56,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1636590720, now seen corresponding path program 1 times [2024-11-22 22:23:56,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:56,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331218784] [2024-11-22 22:23:56,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:56,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:56,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 22:23:56,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:56,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331218784] [2024-11-22 22:23:56,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331218784] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:23:56,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084388295] [2024-11-22 22:23:56,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:56,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:56,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:56,878 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) [2024-11-22 22:23:56,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:23:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:56,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 22:23:56,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 22:23:56,956 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:56,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084388295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:56,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:23:56,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 22:23:56,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106679900] [2024-11-22 22:23:56,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:56,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:23:56,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:56,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:23:56,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:23:56,990 INFO L87 Difference]: Start difference. First operand has 141 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:23:57,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:57,025 INFO L93 Difference]: Finished difference Result 278 states and 310 transitions. [2024-11-22 22:23:57,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:23:57,027 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-22 22:23:57,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:57,033 INFO L225 Difference]: With dead ends: 278 [2024-11-22 22:23:57,033 INFO L226 Difference]: Without dead ends: 134 [2024-11-22 22:23:57,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:23:57,040 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:57,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:23:57,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-22 22:23:57,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-11-22 22:23:57,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 68 states have (on average 1.838235294117647) internal successors, (125), 123 states have internal predecessors, (125), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:23:57,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 141 transitions. [2024-11-22 22:23:57,084 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 141 transitions. Word has length 15 [2024-11-22 22:23:57,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:57,084 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 141 transitions. [2024-11-22 22:23:57,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:23:57,085 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 141 transitions. [2024-11-22 22:23:57,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 22:23:57,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:57,086 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:57,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:57,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 22:23:57,287 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:57,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:57,288 INFO L85 PathProgramCache]: Analyzing trace with hash -878270273, now seen corresponding path program 1 times [2024-11-22 22:23:57,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:57,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094811178] [2024-11-22 22:23:57,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:57,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:57,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [338979916] [2024-11-22 22:23:57,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:57,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:57,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:57,326 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) [2024-11-22 22:23:57,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:23:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:57,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:23:57,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:23:57,444 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:57,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:57,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094811178] [2024-11-22 22:23:57,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:57,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338979916] [2024-11-22 22:23:57,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338979916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:57,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:57,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:57,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614173981] [2024-11-22 22:23:57,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:57,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:57,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:57,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:57,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:57,466 INFO L87 Difference]: Start difference. First operand 134 states and 141 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:23:57,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:57,687 INFO L93 Difference]: Finished difference Result 219 states and 265 transitions. [2024-11-22 22:23:57,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:57,688 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-22 22:23:57,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:57,690 INFO L225 Difference]: With dead ends: 219 [2024-11-22 22:23:57,690 INFO L226 Difference]: Without dead ends: 215 [2024-11-22 22:23:57,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:57,692 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 73 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:57,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 138 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:57,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-22 22:23:57,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 173. [2024-11-22 22:23:57,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 102 states have (on average 1.8431372549019607) internal successors, (188), 157 states have internal predecessors, (188), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-22 22:23:57,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 214 transitions. [2024-11-22 22:23:57,711 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 214 transitions. Word has length 15 [2024-11-22 22:23:57,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:57,712 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 214 transitions. [2024-11-22 22:23:57,712 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:23:57,712 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 214 transitions. [2024-11-22 22:23:57,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-22 22:23:57,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:57,713 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:57,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:57,914 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,SelfDestructingSolverStorable1 [2024-11-22 22:23:57,915 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:57,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:57,916 INFO L85 PathProgramCache]: Analyzing trace with hash 2090826497, now seen corresponding path program 1 times [2024-11-22 22:23:57,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:57,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985109238] [2024-11-22 22:23:57,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:57,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:57,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613403804] [2024-11-22 22:23:57,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:57,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:57,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:57,938 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) [2024-11-22 22:23:57,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:23:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:57,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:23:57,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:23:57,995 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:57,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:57,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985109238] [2024-11-22 22:23:57,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:57,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613403804] [2024-11-22 22:23:57,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613403804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:57,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:57,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:57,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628188684] [2024-11-22 22:23:57,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:58,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:58,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:58,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:58,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:58,002 INFO L87 Difference]: Start difference. First operand 173 states and 214 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:23:58,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:58,183 INFO L93 Difference]: Finished difference Result 274 states and 338 transitions. [2024-11-22 22:23:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:58,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-11-22 22:23:58,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:58,186 INFO L225 Difference]: With dead ends: 274 [2024-11-22 22:23:58,186 INFO L226 Difference]: Without dead ends: 266 [2024-11-22 22:23:58,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:58,190 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 84 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:58,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 196 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:58,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-22 22:23:58,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 226. [2024-11-22 22:23:58,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 149 states have (on average 1.7919463087248322) internal successors, (267), 204 states have internal predecessors, (267), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-22 22:23:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 305 transitions. [2024-11-22 22:23:58,217 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 305 transitions. Word has length 17 [2024-11-22 22:23:58,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:58,218 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 305 transitions. [2024-11-22 22:23:58,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:23:58,219 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 305 transitions. [2024-11-22 22:23:58,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-22 22:23:58,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:58,219 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:58,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:23:58,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:58,421 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:58,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:58,421 INFO L85 PathProgramCache]: Analyzing trace with hash -760429245, now seen corresponding path program 1 times [2024-11-22 22:23:58,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:58,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992061565] [2024-11-22 22:23:58,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:58,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:58,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1449090829] [2024-11-22 22:23:58,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:58,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:58,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:58,459 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) [2024-11-22 22:23:58,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:23:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:58,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:23:58,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:58,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:23:58,603 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:58,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:58,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992061565] [2024-11-22 22:23:58,603 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:58,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449090829] [2024-11-22 22:23:58,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449090829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:58,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:58,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:58,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095234971] [2024-11-22 22:23:58,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:58,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:58,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:58,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:58,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:58,605 INFO L87 Difference]: Start difference. First operand 226 states and 305 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:23:58,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:58,833 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2024-11-22 22:23:58,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:58,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-22 22:23:58,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:58,835 INFO L225 Difference]: With dead ends: 260 [2024-11-22 22:23:58,835 INFO L226 Difference]: Without dead ends: 246 [2024-11-22 22:23:58,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:58,836 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 61 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:58,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 124 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:58,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-22 22:23:58,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 191. [2024-11-22 22:23:58,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 119 states have (on average 1.7142857142857142) internal successors, (204), 174 states have internal predecessors, (204), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-22 22:23:58,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 232 transitions. [2024-11-22 22:23:58,848 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 232 transitions. Word has length 19 [2024-11-22 22:23:58,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:58,848 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 232 transitions. [2024-11-22 22:23:58,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:23:58,848 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 232 transitions. [2024-11-22 22:23:58,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-22 22:23:58,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:58,849 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:58,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 22:23:59,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:59,050 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:59,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:59,050 INFO L85 PathProgramCache]: Analyzing trace with hash -2013228301, now seen corresponding path program 1 times [2024-11-22 22:23:59,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:59,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307370047] [2024-11-22 22:23:59,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:59,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:59,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [337922893] [2024-11-22 22:23:59,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:59,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:59,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:59,083 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) [2024-11-22 22:23:59,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:23:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:59,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:23:59,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:23:59,163 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:59,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:59,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307370047] [2024-11-22 22:23:59,164 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:59,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337922893] [2024-11-22 22:23:59,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337922893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:59,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:59,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:23:59,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012608700] [2024-11-22 22:23:59,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:59,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:23:59,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:59,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:23:59,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:59,166 INFO L87 Difference]: Start difference. First operand 191 states and 232 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:23:59,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:59,345 INFO L93 Difference]: Finished difference Result 353 states and 451 transitions. [2024-11-22 22:23:59,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:23:59,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2024-11-22 22:23:59,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:59,348 INFO L225 Difference]: With dead ends: 353 [2024-11-22 22:23:59,349 INFO L226 Difference]: Without dead ends: 345 [2024-11-22 22:23:59,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:23:59,351 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 84 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:59,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 192 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:59,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-22 22:23:59,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 270. [2024-11-22 22:23:59,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 189 states have (on average 1.693121693121693) internal successors, (320), 244 states have internal predecessors, (320), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:23:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 366 transitions. [2024-11-22 22:23:59,388 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 366 transitions. Word has length 26 [2024-11-22 22:23:59,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:59,389 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 366 transitions. [2024-11-22 22:23:59,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:23:59,389 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 366 transitions. [2024-11-22 22:23:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-22 22:23:59,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:59,390 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] [2024-11-22 22:23:59,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 22:23:59,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:59,591 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:23:59,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:23:59,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1977112107, now seen corresponding path program 1 times [2024-11-22 22:23:59,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:23:59,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296547123] [2024-11-22 22:23:59,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:59,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:23:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:23:59,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1404299655] [2024-11-22 22:23:59,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:23:59,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:23:59,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:23:59,619 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) [2024-11-22 22:23:59,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:23:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:23:59,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:23:59,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:23:59,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:23:59,747 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:23:59,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:23:59,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296547123] [2024-11-22 22:23:59,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:23:59,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404299655] [2024-11-22 22:23:59,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404299655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:23:59,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:23:59,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:23:59,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247046494] [2024-11-22 22:23:59,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:23:59,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:23:59,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:23:59,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:23:59,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:59,750 INFO L87 Difference]: Start difference. First operand 270 states and 366 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:23:59,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:23:59,967 INFO L93 Difference]: Finished difference Result 323 states and 431 transitions. [2024-11-22 22:23:59,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:23:59,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-11-22 22:23:59,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:23:59,970 INFO L225 Difference]: With dead ends: 323 [2024-11-22 22:23:59,970 INFO L226 Difference]: Without dead ends: 321 [2024-11-22 22:23:59,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:23:59,972 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 231 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:23:59,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 137 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:23:59,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-22 22:23:59,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 270. [2024-11-22 22:23:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 189 states have (on average 1.6719576719576719) internal successors, (316), 244 states have internal predecessors, (316), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:23:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 362 transitions. [2024-11-22 22:23:59,986 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 362 transitions. Word has length 28 [2024-11-22 22:23:59,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:23:59,986 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 362 transitions. [2024-11-22 22:23:59,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:23:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 362 transitions. [2024-11-22 22:23:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-22 22:23:59,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:23:59,988 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:23:59,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:00,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:00,189 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:00,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:00,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1160933108, now seen corresponding path program 1 times [2024-11-22 22:24:00,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:00,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854102183] [2024-11-22 22:24:00,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:00,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:00,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [345715476] [2024-11-22 22:24:00,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:00,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:00,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:00,214 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) [2024-11-22 22:24:00,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:24:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:00,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:00,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:00,330 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:00,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:00,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854102183] [2024-11-22 22:24:00,330 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:00,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345715476] [2024-11-22 22:24:00,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345715476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:00,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:00,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:00,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138454617] [2024-11-22 22:24:00,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:00,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:00,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:00,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:00,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:00,332 INFO L87 Difference]: Start difference. First operand 270 states and 362 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:24:00,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:00,557 INFO L93 Difference]: Finished difference Result 323 states and 427 transitions. [2024-11-22 22:24:00,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:00,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-11-22 22:24:00,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:00,560 INFO L225 Difference]: With dead ends: 323 [2024-11-22 22:24:00,560 INFO L226 Difference]: Without dead ends: 321 [2024-11-22 22:24:00,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:00,561 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 170 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:00,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 152 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:00,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-22 22:24:00,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 270. [2024-11-22 22:24:00,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 189 states have (on average 1.6507936507936507) internal successors, (312), 244 states have internal predecessors, (312), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:00,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 358 transitions. [2024-11-22 22:24:00,573 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 358 transitions. Word has length 29 [2024-11-22 22:24:00,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:00,573 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 358 transitions. [2024-11-22 22:24:00,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:24:00,573 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 358 transitions. [2024-11-22 22:24:00,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 22:24:00,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:00,574 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:00,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 22:24:00,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:00,775 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:00,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:00,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1629187913, now seen corresponding path program 1 times [2024-11-22 22:24:00,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:00,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279258560] [2024-11-22 22:24:00,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:00,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:00,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2123057491] [2024-11-22 22:24:00,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:00,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:00,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:00,794 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) [2024-11-22 22:24:00,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:24:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:00,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:00,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:00,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:00,867 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:00,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:00,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279258560] [2024-11-22 22:24:00,867 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:00,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123057491] [2024-11-22 22:24:00,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123057491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:00,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:00,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:00,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845276923] [2024-11-22 22:24:00,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:00,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:00,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:00,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:00,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:00,869 INFO L87 Difference]: Start difference. First operand 270 states and 358 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:24:01,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:01,206 INFO L93 Difference]: Finished difference Result 343 states and 431 transitions. [2024-11-22 22:24:01,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:01,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-11-22 22:24:01,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:01,209 INFO L225 Difference]: With dead ends: 343 [2024-11-22 22:24:01,209 INFO L226 Difference]: Without dead ends: 341 [2024-11-22 22:24:01,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:01,210 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 85 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:01,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 210 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:01,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-22 22:24:01,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 271. [2024-11-22 22:24:01,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 190 states have (on average 1.631578947368421) internal successors, (310), 245 states have internal predecessors, (310), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 356 transitions. [2024-11-22 22:24:01,230 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 356 transitions. Word has length 30 [2024-11-22 22:24:01,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:01,230 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 356 transitions. [2024-11-22 22:24:01,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:24:01,230 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 356 transitions. [2024-11-22 22:24:01,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-22 22:24:01,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:01,231 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:01,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:01,437 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,SelfDestructingSolverStorable7 [2024-11-22 22:24:01,438 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:01,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:01,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1034782318, now seen corresponding path program 1 times [2024-11-22 22:24:01,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:01,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795583385] [2024-11-22 22:24:01,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:01,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:01,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [478198632] [2024-11-22 22:24:01,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:01,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:01,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:01,472 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) [2024-11-22 22:24:01,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:24:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:01,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:01,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:01,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:24:01,591 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:01,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:01,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795583385] [2024-11-22 22:24:01,592 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:01,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478198632] [2024-11-22 22:24:01,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478198632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:01,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:01,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:01,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562904969] [2024-11-22 22:24:01,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:01,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:01,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:01,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:01,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:01,593 INFO L87 Difference]: Start difference. First operand 271 states and 356 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:24:02,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:02,169 INFO L93 Difference]: Finished difference Result 343 states and 427 transitions. [2024-11-22 22:24:02,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:02,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-11-22 22:24:02,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:02,171 INFO L225 Difference]: With dead ends: 343 [2024-11-22 22:24:02,171 INFO L226 Difference]: Without dead ends: 341 [2024-11-22 22:24:02,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:02,172 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 85 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:02,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 213 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:24:02,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-22 22:24:02,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 272. [2024-11-22 22:24:02,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 191 states have (on average 1.612565445026178) internal successors, (308), 246 states have internal predecessors, (308), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:02,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 354 transitions. [2024-11-22 22:24:02,185 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 354 transitions. Word has length 31 [2024-11-22 22:24:02,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:02,186 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 354 transitions. [2024-11-22 22:24:02,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:24:02,186 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 354 transitions. [2024-11-22 22:24:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:24:02,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:02,187 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] [2024-11-22 22:24:02,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:02,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:02,392 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:02,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:02,393 INFO L85 PathProgramCache]: Analyzing trace with hash -787965737, now seen corresponding path program 1 times [2024-11-22 22:24:02,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:02,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215973614] [2024-11-22 22:24:02,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:02,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:02,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1137014995] [2024-11-22 22:24:02,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:02,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:02,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:02,411 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) [2024-11-22 22:24:02,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:24:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:02,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:02,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:24:02,555 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:02,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:02,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215973614] [2024-11-22 22:24:02,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:02,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137014995] [2024-11-22 22:24:02,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137014995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:02,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:02,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:02,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416690265] [2024-11-22 22:24:02,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:02,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:02,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:02,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:02,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:02,557 INFO L87 Difference]: Start difference. First operand 272 states and 354 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:02,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:02,733 INFO L93 Difference]: Finished difference Result 294 states and 373 transitions. [2024-11-22 22:24:02,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:02,733 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2024-11-22 22:24:02,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:02,735 INFO L225 Difference]: With dead ends: 294 [2024-11-22 22:24:02,735 INFO L226 Difference]: Without dead ends: 292 [2024-11-22 22:24:02,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:02,736 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 155 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:02,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 162 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:02,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-22 22:24:02,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 273. [2024-11-22 22:24:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 192 states have (on average 1.5989583333333333) internal successors, (307), 247 states have internal predecessors, (307), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 353 transitions. [2024-11-22 22:24:02,748 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 353 transitions. Word has length 39 [2024-11-22 22:24:02,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:02,748 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 353 transitions. [2024-11-22 22:24:02,748 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 353 transitions. [2024-11-22 22:24:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-22 22:24:02,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:02,749 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] [2024-11-22 22:24:02,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:02,949 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,SelfDestructingSolverStorable9 [2024-11-22 22:24:02,950 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:02,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:02,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1342866007, now seen corresponding path program 1 times [2024-11-22 22:24:02,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:02,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713922991] [2024-11-22 22:24:02,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:02,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:02,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410033478] [2024-11-22 22:24:02,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:02,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:02,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:02,983 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) [2024-11-22 22:24:02,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:24:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:03,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:03,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:03,099 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:24:03,099 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:03,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:03,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713922991] [2024-11-22 22:24:03,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:03,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410033478] [2024-11-22 22:24:03,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410033478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:03,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:03,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:03,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815986463] [2024-11-22 22:24:03,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:03,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:03,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:03,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:03,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:03,101 INFO L87 Difference]: Start difference. First operand 273 states and 353 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:03,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:03,285 INFO L93 Difference]: Finished difference Result 294 states and 370 transitions. [2024-11-22 22:24:03,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:03,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-11-22 22:24:03,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:03,287 INFO L225 Difference]: With dead ends: 294 [2024-11-22 22:24:03,287 INFO L226 Difference]: Without dead ends: 292 [2024-11-22 22:24:03,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:03,288 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 207 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:03,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 147 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:03,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-22 22:24:03,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 274. [2024-11-22 22:24:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 193 states have (on average 1.5854922279792747) internal successors, (306), 248 states have internal predecessors, (306), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:03,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 352 transitions. [2024-11-22 22:24:03,303 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 352 transitions. Word has length 40 [2024-11-22 22:24:03,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:03,303 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 352 transitions. [2024-11-22 22:24:03,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:03,304 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 352 transitions. [2024-11-22 22:24:03,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-22 22:24:03,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:03,304 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] [2024-11-22 22:24:03,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:03,505 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,SelfDestructingSolverStorable10 [2024-11-22 22:24:03,505 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:03,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:03,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1320826663, now seen corresponding path program 1 times [2024-11-22 22:24:03,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:03,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207551982] [2024-11-22 22:24:03,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:03,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:03,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889257014] [2024-11-22 22:24:03,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:03,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:03,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:03,540 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) [2024-11-22 22:24:03,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:24:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:03,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:03,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:03,633 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:24:03,633 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:03,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:03,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207551982] [2024-11-22 22:24:03,633 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:03,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889257014] [2024-11-22 22:24:03,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889257014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:03,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:03,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:03,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028879668] [2024-11-22 22:24:03,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:03,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:03,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:03,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:03,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:03,636 INFO L87 Difference]: Start difference. First operand 274 states and 352 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:03,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:03,829 INFO L93 Difference]: Finished difference Result 302 states and 359 transitions. [2024-11-22 22:24:03,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:03,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-11-22 22:24:03,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:03,831 INFO L225 Difference]: With dead ends: 302 [2024-11-22 22:24:03,832 INFO L226 Difference]: Without dead ends: 300 [2024-11-22 22:24:03,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:03,832 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 127 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:03,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 193 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:03,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-22 22:24:03,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 275. [2024-11-22 22:24:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 194 states have (on average 1.5721649484536082) internal successors, (305), 249 states have internal predecessors, (305), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:03,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 351 transitions. [2024-11-22 22:24:03,844 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 351 transitions. Word has length 41 [2024-11-22 22:24:03,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:03,845 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 351 transitions. [2024-11-22 22:24:03,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:03,845 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 351 transitions. [2024-11-22 22:24:03,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-22 22:24:03,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:03,846 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] [2024-11-22 22:24:03,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-22 22:24:04,046 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,SelfDestructingSolverStorable11 [2024-11-22 22:24:04,047 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:04,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:04,047 INFO L85 PathProgramCache]: Analyzing trace with hash 2004046489, now seen corresponding path program 1 times [2024-11-22 22:24:04,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:04,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444429607] [2024-11-22 22:24:04,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:04,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:04,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130027938] [2024-11-22 22:24:04,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:04,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:04,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:04,077 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) [2024-11-22 22:24:04,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:24:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:04,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:04,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-22 22:24:04,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:04,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:04,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444429607] [2024-11-22 22:24:04,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:04,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130027938] [2024-11-22 22:24:04,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130027938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:04,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:04,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:04,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167570064] [2024-11-22 22:24:04,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:04,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:04,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:04,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:04,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:04,211 INFO L87 Difference]: Start difference. First operand 275 states and 351 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:04,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:04,734 INFO L93 Difference]: Finished difference Result 302 states and 356 transitions. [2024-11-22 22:24:04,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:04,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-22 22:24:04,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:04,736 INFO L225 Difference]: With dead ends: 302 [2024-11-22 22:24:04,736 INFO L226 Difference]: Without dead ends: 300 [2024-11-22 22:24:04,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:04,737 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 77 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:04,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 241 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:24:04,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-22 22:24:04,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 276. [2024-11-22 22:24:04,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 195 states have (on average 1.558974358974359) internal successors, (304), 250 states have internal predecessors, (304), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:04,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 350 transitions. [2024-11-22 22:24:04,749 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 350 transitions. Word has length 42 [2024-11-22 22:24:04,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:04,750 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 350 transitions. [2024-11-22 22:24:04,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:24:04,750 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 350 transitions. [2024-11-22 22:24:04,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 22:24:04,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:04,753 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:04,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 22:24:04,953 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,SelfDestructingSolverStorable12 [2024-11-22 22:24:04,954 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:04,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:04,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1148688527, now seen corresponding path program 1 times [2024-11-22 22:24:04,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:04,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383094031] [2024-11-22 22:24:04,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:04,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:05,052 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:24:05,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:05,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383094031] [2024-11-22 22:24:05,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383094031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:05,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:05,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:24:05,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671957363] [2024-11-22 22:24:05,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:05,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:24:05,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:05,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:24:05,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:24:05,055 INFO L87 Difference]: Start difference. First operand 276 states and 350 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:24:05,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:05,090 INFO L93 Difference]: Finished difference Result 276 states and 350 transitions. [2024-11-22 22:24:05,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:24:05,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 49 [2024-11-22 22:24:05,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:05,092 INFO L225 Difference]: With dead ends: 276 [2024-11-22 22:24:05,093 INFO L226 Difference]: Without dead ends: 274 [2024-11-22 22:24:05,093 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 [2024-11-22 22:24:05,093 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 46 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:05,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 199 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:24:05,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-22 22:24:05,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2024-11-22 22:24:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 195 states have (on average 1.528205128205128) internal successors, (298), 248 states have internal predecessors, (298), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:05,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 344 transitions. [2024-11-22 22:24:05,105 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 344 transitions. Word has length 49 [2024-11-22 22:24:05,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:05,106 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 344 transitions. [2024-11-22 22:24:05,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:24:05,106 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 344 transitions. [2024-11-22 22:24:05,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 22:24:05,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:05,106 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:05,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 22:24:05,107 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:05,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:05,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1249605844, now seen corresponding path program 1 times [2024-11-22 22:24:05,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:05,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776920387] [2024-11-22 22:24:05,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:05,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:24:05,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:05,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776920387] [2024-11-22 22:24:05,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776920387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:05,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:05,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:24:05,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712728342] [2024-11-22 22:24:05,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:05,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:24:05,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:05,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:24:05,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:24:05,154 INFO L87 Difference]: Start difference. First operand 274 states and 344 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:24:05,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:05,194 INFO L93 Difference]: Finished difference Result 274 states and 344 transitions. [2024-11-22 22:24:05,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:24:05,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-11-22 22:24:05,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:05,196 INFO L225 Difference]: With dead ends: 274 [2024-11-22 22:24:05,196 INFO L226 Difference]: Without dead ends: 272 [2024-11-22 22:24:05,196 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 [2024-11-22 22:24:05,197 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 45 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:05,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 198 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:24:05,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-22 22:24:05,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2024-11-22 22:24:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 195 states have (on average 1.4871794871794872) internal successors, (290), 246 states have internal predecessors, (290), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:05,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 336 transitions. [2024-11-22 22:24:05,208 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 336 transitions. Word has length 50 [2024-11-22 22:24:05,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:05,208 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 336 transitions. [2024-11-22 22:24:05,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:24:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 336 transitions. [2024-11-22 22:24:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:24:05,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:05,209 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:05,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 22:24:05,209 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:05,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:05,210 INFO L85 PathProgramCache]: Analyzing trace with hash -83033665, now seen corresponding path program 1 times [2024-11-22 22:24:05,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:05,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92905931] [2024-11-22 22:24:05,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:05,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-22 22:24:05,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:05,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92905931] [2024-11-22 22:24:05,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92905931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:05,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809697156] [2024-11-22 22:24:05,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:05,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:05,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:05,364 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) [2024-11-22 22:24:05,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:24:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:05,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:24:05,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-22 22:24:05,520 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-22 22:24:05,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809697156] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:05,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:05,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-22 22:24:05,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080724128] [2024-11-22 22:24:05,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:05,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:24:05,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:05,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:24:05,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:24:05,651 INFO L87 Difference]: Start difference. First operand 272 states and 336 transitions. Second operand has 13 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-22 22:24:06,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:06,058 INFO L93 Difference]: Finished difference Result 336 states and 393 transitions. [2024-11-22 22:24:06,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:24:06,059 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 8 states have call successors, (15) Word has length 51 [2024-11-22 22:24:06,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:06,061 INFO L225 Difference]: With dead ends: 336 [2024-11-22 22:24:06,061 INFO L226 Difference]: Without dead ends: 335 [2024-11-22 22:24:06,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:24:06,062 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 486 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:06,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 421 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:06,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-22 22:24:06,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 272. [2024-11-22 22:24:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 195 states have (on average 1.476923076923077) internal successors, (288), 246 states have internal predecessors, (288), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:06,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 334 transitions. [2024-11-22 22:24:06,077 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 334 transitions. Word has length 51 [2024-11-22 22:24:06,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:06,077 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 334 transitions. [2024-11-22 22:24:06,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 8 states have call successors, (15) [2024-11-22 22:24:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 334 transitions. [2024-11-22 22:24:06,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:24:06,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:06,079 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:06,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:06,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:06,283 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:06,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:06,283 INFO L85 PathProgramCache]: Analyzing trace with hash -83047567, now seen corresponding path program 1 times [2024-11-22 22:24:06,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:06,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73718953] [2024-11-22 22:24:06,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:06,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-22 22:24:06,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:06,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73718953] [2024-11-22 22:24:06,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73718953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:06,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:06,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:24:06,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216010261] [2024-11-22 22:24:06,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:06,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:24:06,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:06,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:24:06,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:24:06,416 INFO L87 Difference]: Start difference. First operand 272 states and 334 transitions. Second operand has 7 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:06,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:06,696 INFO L93 Difference]: Finished difference Result 275 states and 337 transitions. [2024-11-22 22:24:06,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:24:06,697 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2024-11-22 22:24:06,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:06,698 INFO L225 Difference]: With dead ends: 275 [2024-11-22 22:24:06,698 INFO L226 Difference]: Without dead ends: 274 [2024-11-22 22:24:06,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:06,699 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 276 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:06,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 268 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:06,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-22 22:24:06,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2024-11-22 22:24:06,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 197 states have (on average 1.4720812182741116) internal successors, (290), 248 states have internal predecessors, (290), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:06,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 336 transitions. [2024-11-22 22:24:06,713 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 336 transitions. Word has length 51 [2024-11-22 22:24:06,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:06,713 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 336 transitions. [2024-11-22 22:24:06,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 336 transitions. [2024-11-22 22:24:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 22:24:06,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:06,714 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:06,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:24:06,715 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:06,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:06,715 INFO L85 PathProgramCache]: Analyzing trace with hash 245358770, now seen corresponding path program 1 times [2024-11-22 22:24:06,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:06,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015837155] [2024-11-22 22:24:06,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:06,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:24:06,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:06,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015837155] [2024-11-22 22:24:06,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015837155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:06,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:06,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:24:06,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126674858] [2024-11-22 22:24:06,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:06,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:24:06,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:06,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:24:06,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:24:06,769 INFO L87 Difference]: Start difference. First operand 274 states and 336 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:06,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:06,941 INFO L93 Difference]: Finished difference Result 330 states and 404 transitions. [2024-11-22 22:24:06,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:24:06,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-22 22:24:06,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:06,943 INFO L225 Difference]: With dead ends: 330 [2024-11-22 22:24:06,943 INFO L226 Difference]: Without dead ends: 326 [2024-11-22 22:24:06,944 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 [2024-11-22 22:24:06,944 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 42 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:06,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 139 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:06,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-22 22:24:06,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 284. [2024-11-22 22:24:06,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 207 states have (on average 1.4541062801932367) internal successors, (301), 258 states have internal predecessors, (301), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2024-11-22 22:24:06,958 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 54 [2024-11-22 22:24:06,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:06,959 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2024-11-22 22:24:06,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:06,959 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2024-11-22 22:24:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-22 22:24:06,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:06,960 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-22 22:24:06,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 22:24:06,960 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:06,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:06,960 INFO L85 PathProgramCache]: Analyzing trace with hash -551106875, now seen corresponding path program 1 times [2024-11-22 22:24:06,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:06,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470981700] [2024-11-22 22:24:06,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:06,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:06,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [423203813] [2024-11-22 22:24:06,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:06,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:06,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:06,976 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) [2024-11-22 22:24:06,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:24:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:07,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:24:07,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:24:07,176 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:07,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:07,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470981700] [2024-11-22 22:24:07,332 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:07,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423203813] [2024-11-22 22:24:07,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423203813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:07,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:07,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-22 22:24:07,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958701186] [2024-11-22 22:24:07,332 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:07,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:07,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:07,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:07,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:24:07,333 INFO L87 Difference]: Start difference. First operand 284 states and 347 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:07,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:07,599 INFO L93 Difference]: Finished difference Result 324 states and 398 transitions. [2024-11-22 22:24:07,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:24:07,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2024-11-22 22:24:07,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:07,601 INFO L225 Difference]: With dead ends: 324 [2024-11-22 22:24:07,601 INFO L226 Difference]: Without dead ends: 322 [2024-11-22 22:24:07,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:24:07,602 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 35 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:07,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 174 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:07,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-22 22:24:07,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 285. [2024-11-22 22:24:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 208 states have (on average 1.4471153846153846) internal successors, (301), 259 states have internal predecessors, (301), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 347 transitions. [2024-11-22 22:24:07,617 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 347 transitions. Word has length 57 [2024-11-22 22:24:07,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:07,618 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 347 transitions. [2024-11-22 22:24:07,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:07,618 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 347 transitions. [2024-11-22 22:24:07,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-22 22:24:07,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:07,619 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:07,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:07,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:07,823 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:07,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:07,823 INFO L85 PathProgramCache]: Analyzing trace with hash 95556107, now seen corresponding path program 1 times [2024-11-22 22:24:07,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:07,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405074002] [2024-11-22 22:24:07,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:07,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:07,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [416025894] [2024-11-22 22:24:07,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:07,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:07,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:07,837 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) [2024-11-22 22:24:07,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:24:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:07,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:24:07,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:08,031 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:24:08,032 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:08,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:08,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405074002] [2024-11-22 22:24:08,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:08,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416025894] [2024-11-22 22:24:08,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416025894] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:08,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:08,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-22 22:24:08,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046839410] [2024-11-22 22:24:08,189 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:08,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:08,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:08,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:08,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:24:08,190 INFO L87 Difference]: Start difference. First operand 285 states and 347 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:08,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:08,467 INFO L93 Difference]: Finished difference Result 324 states and 396 transitions. [2024-11-22 22:24:08,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:24:08,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2024-11-22 22:24:08,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:08,469 INFO L225 Difference]: With dead ends: 324 [2024-11-22 22:24:08,469 INFO L226 Difference]: Without dead ends: 322 [2024-11-22 22:24:08,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:24:08,470 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 35 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:08,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 177 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:08,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-22 22:24:08,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 286. [2024-11-22 22:24:08,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 209 states have (on average 1.4401913875598087) internal successors, (301), 260 states have internal predecessors, (301), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:08,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 347 transitions. [2024-11-22 22:24:08,485 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 347 transitions. Word has length 58 [2024-11-22 22:24:08,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:08,485 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 347 transitions. [2024-11-22 22:24:08,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:08,486 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 347 transitions. [2024-11-22 22:24:08,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 22:24:08,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:08,489 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:08,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-22 22:24:08,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:08,690 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:08,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:08,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1661736759, now seen corresponding path program 1 times [2024-11-22 22:24:08,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:08,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298877677] [2024-11-22 22:24:08,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:08,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:08,836 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-22 22:24:08,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:08,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298877677] [2024-11-22 22:24:08,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298877677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:08,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065931259] [2024-11-22 22:24:08,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:08,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:08,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:08,840 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) [2024-11-22 22:24:08,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:24:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:08,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:24:08,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:09,065 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:24:09,066 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:09,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065931259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:09,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:09,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-22 22:24:09,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299616474] [2024-11-22 22:24:09,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:09,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:09,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:09,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:09,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:24:09,068 INFO L87 Difference]: Start difference. First operand 286 states and 347 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:09,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:09,445 INFO L93 Difference]: Finished difference Result 322 states and 394 transitions. [2024-11-22 22:24:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:24:09,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2024-11-22 22:24:09,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:09,446 INFO L225 Difference]: With dead ends: 322 [2024-11-22 22:24:09,446 INFO L226 Difference]: Without dead ends: 321 [2024-11-22 22:24:09,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:09,448 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 62 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:09,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 124 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:09,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-22 22:24:09,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 287. [2024-11-22 22:24:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.4333333333333333) internal successors, (301), 261 states have internal predecessors, (301), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:09,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 347 transitions. [2024-11-22 22:24:09,461 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 347 transitions. Word has length 62 [2024-11-22 22:24:09,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:09,462 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 347 transitions. [2024-11-22 22:24:09,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:09,462 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 347 transitions. [2024-11-22 22:24:09,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-22 22:24:09,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:09,463 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-22 22:24:09,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-22 22:24:09,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:09,665 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:09,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:09,665 INFO L85 PathProgramCache]: Analyzing trace with hash -851283895, now seen corresponding path program 1 times [2024-11-22 22:24:09,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:09,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920149768] [2024-11-22 22:24:09,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:09,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:09,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2084930003] [2024-11-22 22:24:09,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:09,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:09,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:09,682 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) [2024-11-22 22:24:09,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-22 22:24:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:09,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:09,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:24:09,783 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:09,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:09,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920149768] [2024-11-22 22:24:09,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:09,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084930003] [2024-11-22 22:24:09,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084930003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:09,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:09,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:09,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529523379] [2024-11-22 22:24:09,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:09,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:09,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:09,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:09,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:09,785 INFO L87 Difference]: Start difference. First operand 287 states and 347 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:10,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:10,024 INFO L93 Difference]: Finished difference Result 337 states and 392 transitions. [2024-11-22 22:24:10,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:10,024 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2024-11-22 22:24:10,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:10,026 INFO L225 Difference]: With dead ends: 337 [2024-11-22 22:24:10,026 INFO L226 Difference]: Without dead ends: 336 [2024-11-22 22:24:10,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:10,027 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 73 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:10,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 204 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:10,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-22 22:24:10,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 287. [2024-11-22 22:24:10,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 210 states have (on average 1.4285714285714286) internal successors, (300), 261 states have internal predecessors, (300), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:10,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 346 transitions. [2024-11-22 22:24:10,040 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 346 transitions. Word has length 61 [2024-11-22 22:24:10,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:10,041 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 346 transitions. [2024-11-22 22:24:10,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:10,041 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 346 transitions. [2024-11-22 22:24:10,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-22 22:24:10,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:10,042 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:10,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:10,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:10,243 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:10,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:10,243 INFO L85 PathProgramCache]: Analyzing trace with hash 25768165, now seen corresponding path program 1 times [2024-11-22 22:24:10,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:10,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143982233] [2024-11-22 22:24:10,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:10,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:24:10,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:10,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143982233] [2024-11-22 22:24:10,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143982233] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:10,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235473210] [2024-11-22 22:24:10,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:10,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:10,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:10,413 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) [2024-11-22 22:24:10,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-22 22:24:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:10,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:24:10,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:24:10,667 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:10,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235473210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:10,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:10,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-22 22:24:10,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573606678] [2024-11-22 22:24:10,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:10,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:10,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:10,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:10,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:10,669 INFO L87 Difference]: Start difference. First operand 287 states and 346 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:10,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:10,981 INFO L93 Difference]: Finished difference Result 322 states and 391 transitions. [2024-11-22 22:24:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:10,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2024-11-22 22:24:10,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:10,983 INFO L225 Difference]: With dead ends: 322 [2024-11-22 22:24:10,983 INFO L226 Difference]: Without dead ends: 321 [2024-11-22 22:24:10,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:24:10,984 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 59 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:10,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 130 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:10,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-22 22:24:10,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 288. [2024-11-22 22:24:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 211 states have (on average 1.4218009478672986) internal successors, (300), 262 states have internal predecessors, (300), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:11,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 346 transitions. [2024-11-22 22:24:11,000 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 346 transitions. Word has length 63 [2024-11-22 22:24:11,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:11,001 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 346 transitions. [2024-11-22 22:24:11,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 346 transitions. [2024-11-22 22:24:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 22:24:11,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:11,002 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-22 22:24:11,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:11,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:11,203 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:11,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:11,203 INFO L85 PathProgramCache]: Analyzing trace with hash -619996913, now seen corresponding path program 1 times [2024-11-22 22:24:11,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:11,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10979729] [2024-11-22 22:24:11,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:11,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:11,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1358243396] [2024-11-22 22:24:11,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:11,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:11,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:11,216 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) [2024-11-22 22:24:11,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-22 22:24:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:11,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:11,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:11,355 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-22 22:24:11,355 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:24:11,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:11,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10979729] [2024-11-22 22:24:11,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:11,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358243396] [2024-11-22 22:24:11,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358243396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:11,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:11,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:24:11,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887029821] [2024-11-22 22:24:11,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:11,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:24:11,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:11,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:24:11,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:11,356 INFO L87 Difference]: Start difference. First operand 288 states and 346 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:11,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:11,750 INFO L93 Difference]: Finished difference Result 339 states and 389 transitions. [2024-11-22 22:24:11,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:24:11,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2024-11-22 22:24:11,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:11,751 INFO L225 Difference]: With dead ends: 339 [2024-11-22 22:24:11,752 INFO L226 Difference]: Without dead ends: 336 [2024-11-22 22:24:11,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:24:11,752 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 73 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:11,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 207 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:11,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-22 22:24:11,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 291. [2024-11-22 22:24:11,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 214 states have (on average 1.4158878504672898) internal successors, (303), 265 states have internal predecessors, (303), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:24:11,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 349 transitions. [2024-11-22 22:24:11,767 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 349 transitions. Word has length 62 [2024-11-22 22:24:11,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:11,767 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 349 transitions. [2024-11-22 22:24:11,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 349 transitions. [2024-11-22 22:24:11,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-22 22:24:11,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:11,768 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:11,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:11,969 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,SelfDestructingSolverStorable23 [2024-11-22 22:24:11,969 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:11,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:11,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1769928389, now seen corresponding path program 1 times [2024-11-22 22:24:11,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:11,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526217401] [2024-11-22 22:24:11,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:11,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:11,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [607276742] [2024-11-22 22:24:11,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:11,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:11,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:11,985 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) [2024-11-22 22:24:11,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-22 22:24:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:12,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:24:12,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:12,314 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:24:12,315 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:13,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:13,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526217401] [2024-11-22 22:24:13,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:13,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607276742] [2024-11-22 22:24:13,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607276742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:13,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:13,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:24:13,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179345614] [2024-11-22 22:24:13,613 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:13,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:13,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:13,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:13,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-22 22:24:13,614 INFO L87 Difference]: Start difference. First operand 291 states and 349 transitions. Second operand has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:14,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:14,020 INFO L93 Difference]: Finished difference Result 474 states and 597 transitions. [2024-11-22 22:24:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:24:14,021 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2024-11-22 22:24:14,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:14,023 INFO L225 Difference]: With dead ends: 474 [2024-11-22 22:24:14,023 INFO L226 Difference]: Without dead ends: 470 [2024-11-22 22:24:14,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-22 22:24:14,024 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 469 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:14,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 289 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:14,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-11-22 22:24:14,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 367. [2024-11-22 22:24:14,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 281 states have (on average 1.4555160142348755) internal successors, (409), 332 states have internal predecessors, (409), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-22 22:24:14,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 473 transitions. [2024-11-22 22:24:14,041 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 473 transitions. Word has length 68 [2024-11-22 22:24:14,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:14,041 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 473 transitions. [2024-11-22 22:24:14,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 473 transitions. [2024-11-22 22:24:14,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-22 22:24:14,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:14,042 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1] [2024-11-22 22:24:14,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-22 22:24:14,246 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,SelfDestructingSolverStorable24 [2024-11-22 22:24:14,247 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:14,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:14,247 INFO L85 PathProgramCache]: Analyzing trace with hash 966794850, now seen corresponding path program 1 times [2024-11-22 22:24:14,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:14,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263883249] [2024-11-22 22:24:14,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:14,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:14,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1940627146] [2024-11-22 22:24:14,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:14,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:14,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:14,269 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) [2024-11-22 22:24:14,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-22 22:24:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:14,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:24:14,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:24:14,572 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:15,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:15,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263883249] [2024-11-22 22:24:15,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:15,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940627146] [2024-11-22 22:24:15,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940627146] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:15,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:15,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:24:16,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061874099] [2024-11-22 22:24:16,000 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:16,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:16,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:16,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:16,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-11-22 22:24:16,001 INFO L87 Difference]: Start difference. First operand 367 states and 473 transitions. Second operand has 8 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:16,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:16,321 INFO L93 Difference]: Finished difference Result 396 states and 498 transitions. [2024-11-22 22:24:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:24:16,321 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2024-11-22 22:24:16,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:16,323 INFO L225 Difference]: With dead ends: 396 [2024-11-22 22:24:16,323 INFO L226 Difference]: Without dead ends: 390 [2024-11-22 22:24:16,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2024-11-22 22:24:16,324 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 182 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:16,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 368 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:16,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-22 22:24:16,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 361. [2024-11-22 22:24:16,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 281 states have (on average 1.402135231316726) internal successors, (394), 326 states have internal predecessors, (394), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-22 22:24:16,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 458 transitions. [2024-11-22 22:24:16,343 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 458 transitions. Word has length 69 [2024-11-22 22:24:16,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:16,343 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 458 transitions. [2024-11-22 22:24:16,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:16,343 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 458 transitions. [2024-11-22 22:24:16,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 22:24:16,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:16,344 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1] [2024-11-22 22:24:16,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-22 22:24:16,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-22 22:24:16,549 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:16,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:16,549 INFO L85 PathProgramCache]: Analyzing trace with hash -94130659, now seen corresponding path program 1 times [2024-11-22 22:24:16,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:16,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166736861] [2024-11-22 22:24:16,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:16,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:16,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1838542059] [2024-11-22 22:24:16,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:16,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:16,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:16,568 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) [2024-11-22 22:24:16,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-22 22:24:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:16,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:24:16,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:24:16,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:17,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:17,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166736861] [2024-11-22 22:24:17,050 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:17,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838542059] [2024-11-22 22:24:17,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838542059] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:17,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:17,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:24:17,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551847309] [2024-11-22 22:24:17,050 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:17,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:24:17,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:17,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:24:17,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:24:17,051 INFO L87 Difference]: Start difference. First operand 361 states and 458 transitions. Second operand has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:17,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:17,829 INFO L93 Difference]: Finished difference Result 504 states and 663 transitions. [2024-11-22 22:24:17,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:24:17,829 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2024-11-22 22:24:17,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:17,831 INFO L225 Difference]: With dead ends: 504 [2024-11-22 22:24:17,831 INFO L226 Difference]: Without dead ends: 497 [2024-11-22 22:24:17,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:24:17,832 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 411 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:17,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 253 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:24:17,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-22 22:24:17,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 454. [2024-11-22 22:24:17,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 364 states have (on average 1.4505494505494505) internal successors, (528), 409 states have internal predecessors, (528), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-22 22:24:17,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 612 transitions. [2024-11-22 22:24:17,855 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 612 transitions. Word has length 70 [2024-11-22 22:24:17,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:17,855 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 612 transitions. [2024-11-22 22:24:17,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:17,856 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 612 transitions. [2024-11-22 22:24:17,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 22:24:17,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:17,856 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-22 22:24:17,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-22 22:24:18,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:18,057 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:18,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:18,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1376916932, now seen corresponding path program 1 times [2024-11-22 22:24:18,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:18,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305856746] [2024-11-22 22:24:18,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:18,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:18,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1035009368] [2024-11-22 22:24:18,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:18,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:18,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:18,072 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) [2024-11-22 22:24:18,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-22 22:24:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:18,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:24:18,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:18,436 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:24:18,437 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:18,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:18,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305856746] [2024-11-22 22:24:18,676 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:18,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035009368] [2024-11-22 22:24:18,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035009368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:18,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:18,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:24:18,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341787894] [2024-11-22 22:24:18,676 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:18,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:24:18,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:18,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:24:18,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:24:18,677 INFO L87 Difference]: Start difference. First operand 454 states and 612 transitions. Second operand has 9 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:19,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:19,319 INFO L93 Difference]: Finished difference Result 556 states and 747 transitions. [2024-11-22 22:24:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:24:19,320 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-11-22 22:24:19,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:19,323 INFO L225 Difference]: With dead ends: 556 [2024-11-22 22:24:19,323 INFO L226 Difference]: Without dead ends: 554 [2024-11-22 22:24:19,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:24:19,323 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 342 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:19,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 322 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:24:19,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-22 22:24:19,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 489. [2024-11-22 22:24:19,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 395 states have (on average 1.4455696202531645) internal successors, (571), 440 states have internal predecessors, (571), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-22 22:24:19,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 663 transitions. [2024-11-22 22:24:19,348 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 663 transitions. Word has length 71 [2024-11-22 22:24:19,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:19,348 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 663 transitions. [2024-11-22 22:24:19,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 663 transitions. [2024-11-22 22:24:19,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 22:24:19,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:19,350 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-22 22:24:19,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:19,551 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,SelfDestructingSolverStorable27 [2024-11-22 22:24:19,551 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:19,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:19,551 INFO L85 PathProgramCache]: Analyzing trace with hash -265248001, now seen corresponding path program 1 times [2024-11-22 22:24:19,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:19,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128780109] [2024-11-22 22:24:19,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:19,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:19,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199487685] [2024-11-22 22:24:19,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:19,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:19,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:19,577 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) [2024-11-22 22:24:19,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-22 22:24:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:19,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-22 22:24:19,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:20,023 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:24:20,024 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:20,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:20,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128780109] [2024-11-22 22:24:20,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:20,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199487685] [2024-11-22 22:24:20,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199487685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:20,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:20,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:24:20,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002511464] [2024-11-22 22:24:20,093 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:20,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:24:20,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:20,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:24:20,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:24:20,094 INFO L87 Difference]: Start difference. First operand 489 states and 663 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:21,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:21,565 INFO L93 Difference]: Finished difference Result 557 states and 741 transitions. [2024-11-22 22:24:21,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:24:21,565 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2024-11-22 22:24:21,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:21,569 INFO L225 Difference]: With dead ends: 557 [2024-11-22 22:24:21,569 INFO L226 Difference]: Without dead ends: 503 [2024-11-22 22:24:21,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:24:21,574 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 295 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 1787 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 1813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:21,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 347 Invalid, 1813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1787 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-22 22:24:21,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-22 22:24:21,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 405. [2024-11-22 22:24:21,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 321 states have (on average 1.4548286604361371) internal successors, (467), 366 states have internal predecessors, (467), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-22 22:24:21,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 539 transitions. [2024-11-22 22:24:21,594 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 539 transitions. Word has length 72 [2024-11-22 22:24:21,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:21,594 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 539 transitions. [2024-11-22 22:24:21,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:21,595 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 539 transitions. [2024-11-22 22:24:21,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-22 22:24:21,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:21,596 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-22 22:24:21,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:21,797 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,SelfDestructingSolverStorable28 [2024-11-22 22:24:21,797 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:21,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:21,797 INFO L85 PathProgramCache]: Analyzing trace with hash 367246630, now seen corresponding path program 1 times [2024-11-22 22:24:21,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:21,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235710059] [2024-11-22 22:24:21,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:21,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:21,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1319701202] [2024-11-22 22:24:21,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:21,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:21,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:21,811 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) [2024-11-22 22:24:21,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-22 22:24:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:21,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:24:21,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:22,046 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-22 22:24:22,047 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:22,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:22,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235710059] [2024-11-22 22:24:22,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:22,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319701202] [2024-11-22 22:24:22,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319701202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:22,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:22,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:24:22,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344942681] [2024-11-22 22:24:22,181 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:22,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:22,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:22,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:22,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:22,183 INFO L87 Difference]: Start difference. First operand 405 states and 539 transitions. Second operand has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:22,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:22,630 INFO L93 Difference]: Finished difference Result 455 states and 610 transitions. [2024-11-22 22:24:22,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:24:22,630 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 73 [2024-11-22 22:24:22,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:22,632 INFO L225 Difference]: With dead ends: 455 [2024-11-22 22:24:22,632 INFO L226 Difference]: Without dead ends: 451 [2024-11-22 22:24:22,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:24:22,632 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 193 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:22,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 309 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:22,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-22 22:24:22,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 438. [2024-11-22 22:24:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 354 states have (on average 1.4435028248587571) internal successors, (511), 396 states have internal predecessors, (511), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-22 22:24:22,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 589 transitions. [2024-11-22 22:24:22,657 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 589 transitions. Word has length 73 [2024-11-22 22:24:22,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:22,657 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 589 transitions. [2024-11-22 22:24:22,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:24:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 589 transitions. [2024-11-22 22:24:22,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-22 22:24:22,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:22,658 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-22 22:24:22,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-22 22:24:22,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:22,863 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:22,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:22,863 INFO L85 PathProgramCache]: Analyzing trace with hash 876652123, now seen corresponding path program 1 times [2024-11-22 22:24:22,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:22,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484921069] [2024-11-22 22:24:22,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:22,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:22,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2005415541] [2024-11-22 22:24:22,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:22,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:22,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:22,880 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) [2024-11-22 22:24:22,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-22 22:24:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:22,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:24:22,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-22 22:24:23,228 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:23,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:23,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484921069] [2024-11-22 22:24:23,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:23,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005415541] [2024-11-22 22:24:23,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005415541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:23,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:23,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:24:23,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752069213] [2024-11-22 22:24:23,897 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:23,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:23,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:23,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:23,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:23,899 INFO L87 Difference]: Start difference. First operand 438 states and 589 transitions. Second operand has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-22 22:24:24,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:24,241 INFO L93 Difference]: Finished difference Result 709 states and 995 transitions. [2024-11-22 22:24:24,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:24:24,242 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 79 [2024-11-22 22:24:24,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:24,244 INFO L225 Difference]: With dead ends: 709 [2024-11-22 22:24:24,244 INFO L226 Difference]: Without dead ends: 707 [2024-11-22 22:24:24,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:24,245 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 428 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:24,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 260 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:24,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-22 22:24:24,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 661. [2024-11-22 22:24:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 551 states have (on average 1.4664246823956444) internal successors, (808), 593 states have internal predecessors, (808), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-22 22:24:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 938 transitions. [2024-11-22 22:24:24,280 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 938 transitions. Word has length 79 [2024-11-22 22:24:24,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:24,280 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 938 transitions. [2024-11-22 22:24:24,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-22 22:24:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 938 transitions. [2024-11-22 22:24:24,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-22 22:24:24,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:24,281 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-22 22:24:24,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-22 22:24:24,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:24,486 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:24,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:24,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1406412111, now seen corresponding path program 1 times [2024-11-22 22:24:24,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:24,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252078763] [2024-11-22 22:24:24,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:24,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:24,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [380097937] [2024-11-22 22:24:24,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:24,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:24,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:24,502 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) [2024-11-22 22:24:24,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-22 22:24:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:24,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:24:24,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:24,757 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-22 22:24:24,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:24,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:24,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252078763] [2024-11-22 22:24:24,919 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:24,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380097937] [2024-11-22 22:24:24,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380097937] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:24,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:24,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:24:24,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153740704] [2024-11-22 22:24:24,920 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:24,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:24,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:24,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:24,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:24,921 INFO L87 Difference]: Start difference. First operand 661 states and 938 transitions. Second operand has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-22 22:24:25,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:25,178 INFO L93 Difference]: Finished difference Result 664 states and 938 transitions. [2024-11-22 22:24:25,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:24:25,178 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 80 [2024-11-22 22:24:25,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:25,181 INFO L225 Difference]: With dead ends: 664 [2024-11-22 22:24:25,181 INFO L226 Difference]: Without dead ends: 658 [2024-11-22 22:24:25,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:24:25,182 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 136 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:25,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 306 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:25,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-22 22:24:25,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 532. [2024-11-22 22:24:25,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 441 states have (on average 1.3673469387755102) internal successors, (603), 477 states have internal predecessors, (603), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-22 22:24:25,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 707 transitions. [2024-11-22 22:24:25,226 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 707 transitions. Word has length 80 [2024-11-22 22:24:25,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:25,227 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 707 transitions. [2024-11-22 22:24:25,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-22 22:24:25,227 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 707 transitions. [2024-11-22 22:24:25,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-22 22:24:25,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:25,228 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:25,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:25,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:25,429 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:25,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:25,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1017301855, now seen corresponding path program 1 times [2024-11-22 22:24:25,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:25,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658398358] [2024-11-22 22:24:25,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:25,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:25,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863413730] [2024-11-22 22:24:25,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:25,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:25,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:25,442 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) [2024-11-22 22:24:25,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-22 22:24:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:25,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-22 22:24:25,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:25,845 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-22 22:24:25,846 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:25,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:25,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658398358] [2024-11-22 22:24:25,894 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:25,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863413730] [2024-11-22 22:24:25,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863413730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:25,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:25,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-22 22:24:25,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897449883] [2024-11-22 22:24:25,894 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:25,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:24:25,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:25,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:24:25,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:24:25,895 INFO L87 Difference]: Start difference. First operand 532 states and 707 transitions. Second operand has 11 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:24:26,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:26,354 INFO L93 Difference]: Finished difference Result 580 states and 757 transitions. [2024-11-22 22:24:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:24:26,354 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 83 [2024-11-22 22:24:26,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:26,356 INFO L225 Difference]: With dead ends: 580 [2024-11-22 22:24:26,356 INFO L226 Difference]: Without dead ends: 578 [2024-11-22 22:24:26,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:24:26,357 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 268 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:26,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 190 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:26,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-22 22:24:26,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 539. [2024-11-22 22:24:26,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 448 states have (on average 1.3549107142857142) internal successors, (607), 484 states have internal predecessors, (607), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-22 22:24:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 711 transitions. [2024-11-22 22:24:26,401 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 711 transitions. Word has length 83 [2024-11-22 22:24:26,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:26,404 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 711 transitions. [2024-11-22 22:24:26,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:24:26,404 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 711 transitions. [2024-11-22 22:24:26,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-22 22:24:26,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:26,404 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-22 22:24:26,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:26,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:26,611 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:26,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:26,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1471586515, now seen corresponding path program 1 times [2024-11-22 22:24:26,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:26,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743010219] [2024-11-22 22:24:26,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:26,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:26,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1049250389] [2024-11-22 22:24:26,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:26,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:26,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:26,626 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) [2024-11-22 22:24:26,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-22 22:24:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:26,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:24:26,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:26,975 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-22 22:24:26,975 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:27,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:27,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743010219] [2024-11-22 22:24:27,061 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:27,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049250389] [2024-11-22 22:24:27,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049250389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:27,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:27,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:24:27,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330012103] [2024-11-22 22:24:27,061 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:27,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:24:27,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:27,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:24:27,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:24:27,062 INFO L87 Difference]: Start difference. First operand 539 states and 711 transitions. Second operand has 9 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-22 22:24:27,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:27,530 INFO L93 Difference]: Finished difference Result 557 states and 733 transitions. [2024-11-22 22:24:27,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:24:27,530 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 84 [2024-11-22 22:24:27,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:27,532 INFO L225 Difference]: With dead ends: 557 [2024-11-22 22:24:27,532 INFO L226 Difference]: Without dead ends: 553 [2024-11-22 22:24:27,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:24:27,532 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 182 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:27,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 307 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:27,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-11-22 22:24:27,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 538. [2024-11-22 22:24:27,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 450 states have (on average 1.3266666666666667) internal successors, (597), 483 states have internal predecessors, (597), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-22 22:24:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 701 transitions. [2024-11-22 22:24:27,563 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 701 transitions. Word has length 84 [2024-11-22 22:24:27,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:27,563 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 701 transitions. [2024-11-22 22:24:27,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-22 22:24:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 701 transitions. [2024-11-22 22:24:27,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-22 22:24:27,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:27,564 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1] [2024-11-22 22:24:27,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-22 22:24:27,764 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,SelfDestructingSolverStorable33 [2024-11-22 22:24:27,765 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:27,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:27,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1866784375, now seen corresponding path program 1 times [2024-11-22 22:24:27,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:27,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485074286] [2024-11-22 22:24:27,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:27,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:27,859 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:27,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:27,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485074286] [2024-11-22 22:24:27,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485074286] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:27,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005236584] [2024-11-22 22:24:27,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:27,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:27,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:27,863 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) [2024-11-22 22:24:27,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-22 22:24:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:27,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:24:27,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:28,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:28,214 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:28,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005236584] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:28,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:28,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 13 [2024-11-22 22:24:28,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159086199] [2024-11-22 22:24:28,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:28,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:24:28,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:28,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:24:28,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:24:28,216 INFO L87 Difference]: Start difference. First operand 538 states and 701 transitions. Second operand has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-22 22:24:28,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:28,734 INFO L93 Difference]: Finished difference Result 540 states and 701 transitions. [2024-11-22 22:24:28,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 22:24:28,734 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) Word has length 93 [2024-11-22 22:24:28,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:28,736 INFO L225 Difference]: With dead ends: 540 [2024-11-22 22:24:28,736 INFO L226 Difference]: Without dead ends: 539 [2024-11-22 22:24:28,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=268, Invalid=602, Unknown=0, NotChecked=0, Total=870 [2024-11-22 22:24:28,737 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 458 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:28,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 372 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:28,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-22 22:24:28,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 537. [2024-11-22 22:24:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 450 states have (on average 1.3177777777777777) internal successors, (593), 482 states have internal predecessors, (593), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-22 22:24:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 697 transitions. [2024-11-22 22:24:28,768 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 697 transitions. Word has length 93 [2024-11-22 22:24:28,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:28,769 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 697 transitions. [2024-11-22 22:24:28,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.307692307692308) internal successors, (134), 14 states have internal predecessors, (134), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-11-22 22:24:28,769 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 697 transitions. [2024-11-22 22:24:28,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-22 22:24:28,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:28,770 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1] [2024-11-22 22:24:28,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:28,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:28,971 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:28,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:28,972 INFO L85 PathProgramCache]: Analyzing trace with hash -302207881, now seen corresponding path program 1 times [2024-11-22 22:24:28,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:28,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203233896] [2024-11-22 22:24:28,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:28,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:29,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:29,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203233896] [2024-11-22 22:24:29,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203233896] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:29,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875977678] [2024-11-22 22:24:29,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:29,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:29,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:29,058 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) [2024-11-22 22:24:29,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-22 22:24:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:29,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:24:29,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:29,255 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:29,255 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:29,390 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:29,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875977678] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:29,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:29,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-22 22:24:29,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609113862] [2024-11-22 22:24:29,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:29,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:24:29,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:29,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:24:29,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:24:29,392 INFO L87 Difference]: Start difference. First operand 537 states and 697 transitions. Second operand has 14 states, 13 states have (on average 12.538461538461538) internal successors, (163), 14 states have internal predecessors, (163), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-22 22:24:29,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:29,836 INFO L93 Difference]: Finished difference Result 561 states and 721 transitions. [2024-11-22 22:24:29,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 22:24:29,836 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.538461538461538) internal successors, (163), 14 states have internal predecessors, (163), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 93 [2024-11-22 22:24:29,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:29,839 INFO L225 Difference]: With dead ends: 561 [2024-11-22 22:24:29,839 INFO L226 Difference]: Without dead ends: 560 [2024-11-22 22:24:29,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=283, Invalid=647, Unknown=0, NotChecked=0, Total=930 [2024-11-22 22:24:29,840 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 509 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:29,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 471 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:29,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-22 22:24:29,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 536. [2024-11-22 22:24:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 450 states have (on average 1.308888888888889) internal successors, (589), 481 states have internal predecessors, (589), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-22 22:24:29,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 693 transitions. [2024-11-22 22:24:29,876 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 693 transitions. Word has length 93 [2024-11-22 22:24:29,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:29,876 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 693 transitions. [2024-11-22 22:24:29,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.538461538461538) internal successors, (163), 14 states have internal predecessors, (163), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-22 22:24:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 693 transitions. [2024-11-22 22:24:29,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-22 22:24:29,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:29,877 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1] [2024-11-22 22:24:29,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-22 22:24:30,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:30,078 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:30,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:30,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2036171850, now seen corresponding path program 1 times [2024-11-22 22:24:30,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:30,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331530786] [2024-11-22 22:24:30,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:30,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:30,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:30,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331530786] [2024-11-22 22:24:30,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331530786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:30,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862887274] [2024-11-22 22:24:30,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:30,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:30,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:30,164 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) [2024-11-22 22:24:30,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-22 22:24:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:30,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:30,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:30,365 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:30,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862887274] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:30,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:30,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-22 22:24:30,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625008143] [2024-11-22 22:24:30,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:30,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:30,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:30,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:30,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:24:30,478 INFO L87 Difference]: Start difference. First operand 536 states and 693 transitions. Second operand has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-22 22:24:30,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:30,823 INFO L93 Difference]: Finished difference Result 950 states and 1270 transitions. [2024-11-22 22:24:30,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:24:30,824 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 94 [2024-11-22 22:24:30,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:30,827 INFO L225 Difference]: With dead ends: 950 [2024-11-22 22:24:30,827 INFO L226 Difference]: Without dead ends: 948 [2024-11-22 22:24:30,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:24:30,828 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 295 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:30,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 226 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:30,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2024-11-22 22:24:30,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 758. [2024-11-22 22:24:30,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 651 states have (on average 1.3210445468509984) internal successors, (860), 682 states have internal predecessors, (860), 73 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-22 22:24:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1006 transitions. [2024-11-22 22:24:30,890 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1006 transitions. Word has length 94 [2024-11-22 22:24:30,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:30,890 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 1006 transitions. [2024-11-22 22:24:30,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-22 22:24:30,891 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1006 transitions. [2024-11-22 22:24:30,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-22 22:24:30,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:30,892 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:30,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:31,092 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,SelfDestructingSolverStorable36 [2024-11-22 22:24:31,093 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:31,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:31,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1237588550, now seen corresponding path program 1 times [2024-11-22 22:24:31,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:31,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024706715] [2024-11-22 22:24:31,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:31,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:31,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:31,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024706715] [2024-11-22 22:24:31,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024706715] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:31,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257038795] [2024-11-22 22:24:31,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:31,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:31,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:31,163 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) [2024-11-22 22:24:31,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-22 22:24:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:31,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:24:31,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:31,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:31,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257038795] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:31,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:24:31,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-22 22:24:31,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098202676] [2024-11-22 22:24:31,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:31,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:31,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:31,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:31,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:24:31,456 INFO L87 Difference]: Start difference. First operand 758 states and 1006 transitions. Second operand has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-22 22:24:31,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:31,757 INFO L93 Difference]: Finished difference Result 1349 states and 1834 transitions. [2024-11-22 22:24:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:24:31,757 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 96 [2024-11-22 22:24:31,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:31,761 INFO L225 Difference]: With dead ends: 1349 [2024-11-22 22:24:31,761 INFO L226 Difference]: Without dead ends: 1347 [2024-11-22 22:24:31,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:24:31,762 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 350 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:31,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 241 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:24:31,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2024-11-22 22:24:31,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1063. [2024-11-22 22:24:31,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 926 states have (on average 1.3304535637149029) internal successors, (1232), 957 states have internal predecessors, (1232), 103 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-22 22:24:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1438 transitions. [2024-11-22 22:24:31,815 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1438 transitions. Word has length 96 [2024-11-22 22:24:31,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:31,815 INFO L471 AbstractCegarLoop]: Abstraction has 1063 states and 1438 transitions. [2024-11-22 22:24:31,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-22 22:24:31,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1438 transitions. [2024-11-22 22:24:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 22:24:31,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:31,816 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:31,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:32,017 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,SelfDestructingSolverStorable37 [2024-11-22 22:24:32,017 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:32,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:32,017 INFO L85 PathProgramCache]: Analyzing trace with hash -707492355, now seen corresponding path program 1 times [2024-11-22 22:24:32,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:32,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387203574] [2024-11-22 22:24:32,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:32,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:32,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [897497640] [2024-11-22 22:24:32,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:32,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:32,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:32,037 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) [2024-11-22 22:24:32,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-22 22:24:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:32,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-22 22:24:32,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-22 22:24:32,555 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:32,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:32,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387203574] [2024-11-22 22:24:32,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:32,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897497640] [2024-11-22 22:24:32,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897497640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:32,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:32,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-22 22:24:32,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717553361] [2024-11-22 22:24:32,663 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:32,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:24:32,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:32,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:24:32,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:24:32,664 INFO L87 Difference]: Start difference. First operand 1063 states and 1438 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:24:33,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:33,517 INFO L93 Difference]: Finished difference Result 1139 states and 1541 transitions. [2024-11-22 22:24:33,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:24:33,518 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 99 [2024-11-22 22:24:33,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:33,522 INFO L225 Difference]: With dead ends: 1139 [2024-11-22 22:24:33,522 INFO L226 Difference]: Without dead ends: 1135 [2024-11-22 22:24:33,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2024-11-22 22:24:33,523 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 350 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:33,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 464 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:24:33,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2024-11-22 22:24:33,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1089. [2024-11-22 22:24:33,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 949 states have (on average 1.3287671232876712) internal successors, (1261), 980 states have internal predecessors, (1261), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-22 22:24:33,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1473 transitions. [2024-11-22 22:24:33,597 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1473 transitions. Word has length 99 [2024-11-22 22:24:33,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:33,598 INFO L471 AbstractCegarLoop]: Abstraction has 1089 states and 1473 transitions. [2024-11-22 22:24:33,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:24:33,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1473 transitions. [2024-11-22 22:24:33,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 22:24:33,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:33,599 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:33,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:33,799 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,SelfDestructingSolverStorable38 [2024-11-22 22:24:33,799 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:33,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:33,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1951824003, now seen corresponding path program 2 times [2024-11-22 22:24:33,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:33,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657465466] [2024-11-22 22:24:33,800 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:33,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:33,815 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:33,815 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:24:33,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [236081865] [2024-11-22 22:24:33,820 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:33,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:33,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:33,823 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) [2024-11-22 22:24:33,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-22 22:24:33,873 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:33,873 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:24:33,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:24:33,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:34,171 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:34,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:34,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657465466] [2024-11-22 22:24:34,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:34,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236081865] [2024-11-22 22:24:34,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236081865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:34,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:34,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-22 22:24:34,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231450122] [2024-11-22 22:24:34,334 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:34,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:24:34,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:34,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:24:34,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:34,335 INFO L87 Difference]: Start difference. First operand 1089 states and 1473 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:24:34,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:34,788 INFO L93 Difference]: Finished difference Result 1223 states and 1650 transitions. [2024-11-22 22:24:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:24:34,789 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 99 [2024-11-22 22:24:34,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:34,792 INFO L225 Difference]: With dead ends: 1223 [2024-11-22 22:24:34,792 INFO L226 Difference]: Without dead ends: 1221 [2024-11-22 22:24:34,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:34,792 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 159 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:34,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 292 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:34,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2024-11-22 22:24:34,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1097. [2024-11-22 22:24:34,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 956 states have (on average 1.3232217573221758) internal successors, (1265), 987 states have internal predecessors, (1265), 107 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-22 22:24:34,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1479 transitions. [2024-11-22 22:24:34,842 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1479 transitions. Word has length 99 [2024-11-22 22:24:34,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:34,842 INFO L471 AbstractCegarLoop]: Abstraction has 1097 states and 1479 transitions. [2024-11-22 22:24:34,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:24:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1479 transitions. [2024-11-22 22:24:34,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 22:24:34,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:34,843 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:34,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:35,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-22 22:24:35,044 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:35,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:35,045 INFO L85 PathProgramCache]: Analyzing trace with hash -457426477, now seen corresponding path program 1 times [2024-11-22 22:24:35,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:35,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975661419] [2024-11-22 22:24:35,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:35,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:35,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1609157893] [2024-11-22 22:24:35,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:35,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:35,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:35,058 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:35,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-22 22:24:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:35,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-22 22:24:35,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-22 22:24:35,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:35,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:35,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975661419] [2024-11-22 22:24:35,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:35,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609157893] [2024-11-22 22:24:35,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609157893] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:35,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:35,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-22 22:24:35,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277099111] [2024-11-22 22:24:35,701 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:35,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:24:35,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:35,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:24:35,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:24:35,702 INFO L87 Difference]: Start difference. First operand 1097 states and 1479 transitions. Second operand has 13 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:24:36,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:36,249 INFO L93 Difference]: Finished difference Result 1144 states and 1535 transitions. [2024-11-22 22:24:36,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:24:36,249 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 100 [2024-11-22 22:24:36,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:36,252 INFO L225 Difference]: With dead ends: 1144 [2024-11-22 22:24:36,252 INFO L226 Difference]: Without dead ends: 1142 [2024-11-22 22:24:36,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:24:36,253 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 339 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:36,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 266 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:36,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2024-11-22 22:24:36,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1105. [2024-11-22 22:24:36,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 963 states have (on average 1.32398753894081) internal successors, (1275), 994 states have internal predecessors, (1275), 108 states have call successors, (108), 2 states have call predecessors, (108), 2 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-22 22:24:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1491 transitions. [2024-11-22 22:24:36,311 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1491 transitions. Word has length 100 [2024-11-22 22:24:36,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:36,312 INFO L471 AbstractCegarLoop]: Abstraction has 1105 states and 1491 transitions. [2024-11-22 22:24:36,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:24:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1491 transitions. [2024-11-22 22:24:36,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 22:24:36,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:36,313 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:36,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:36,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:36,513 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:36,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:36,513 INFO L85 PathProgramCache]: Analyzing trace with hash -377001901, now seen corresponding path program 2 times [2024-11-22 22:24:36,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:36,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574799301] [2024-11-22 22:24:36,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:36,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:36,525 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:36,525 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:24:36,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1011439599] [2024-11-22 22:24:36,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:36,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:36,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:36,529 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:36,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-22 22:24:36,574 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:36,575 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:24:36,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:24:36,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-22 22:24:36,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:36,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:36,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574799301] [2024-11-22 22:24:36,911 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:36,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011439599] [2024-11-22 22:24:36,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011439599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:36,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:36,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:24:36,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648778899] [2024-11-22 22:24:36,912 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:36,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:24:36,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:36,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:24:36,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:36,913 INFO L87 Difference]: Start difference. First operand 1105 states and 1491 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:24:37,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:37,357 INFO L93 Difference]: Finished difference Result 1162 states and 1552 transitions. [2024-11-22 22:24:37,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:24:37,357 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 100 [2024-11-22 22:24:37,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:37,361 INFO L225 Difference]: With dead ends: 1162 [2024-11-22 22:24:37,361 INFO L226 Difference]: Without dead ends: 1160 [2024-11-22 22:24:37,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:24:37,362 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 132 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:37,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 318 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:37,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-22 22:24:37,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1098. [2024-11-22 22:24:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1098 states, 957 states have (on average 1.3207941483803554) internal successors, (1264), 988 states have internal predecessors, (1264), 107 states have call successors, (107), 2 states have call predecessors, (107), 2 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-22 22:24:37,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1478 transitions. [2024-11-22 22:24:37,418 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1478 transitions. Word has length 100 [2024-11-22 22:24:37,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:37,419 INFO L471 AbstractCegarLoop]: Abstraction has 1098 states and 1478 transitions. [2024-11-22 22:24:37,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:24:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1478 transitions. [2024-11-22 22:24:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 22:24:37,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:37,420 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:37,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-22 22:24:37,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-22 22:24:37,620 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:37,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:37,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1295318849, now seen corresponding path program 1 times [2024-11-22 22:24:37,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:37,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579487856] [2024-11-22 22:24:37,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:37,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:37,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [449187925] [2024-11-22 22:24:37,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:37,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:37,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:37,643 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:37,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-22 22:24:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:37,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:24:37,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:37,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:38,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:38,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579487856] [2024-11-22 22:24:38,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:38,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449187925] [2024-11-22 22:24:38,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449187925] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:38,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:38,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-22 22:24:38,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601788664] [2024-11-22 22:24:38,074 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:38,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:24:38,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:38,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:24:38,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:24:38,077 INFO L87 Difference]: Start difference. First operand 1098 states and 1478 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:24:38,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:38,721 INFO L93 Difference]: Finished difference Result 1221 states and 1666 transitions. [2024-11-22 22:24:38,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:24:38,721 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 101 [2024-11-22 22:24:38,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:38,725 INFO L225 Difference]: With dead ends: 1221 [2024-11-22 22:24:38,725 INFO L226 Difference]: Without dead ends: 1217 [2024-11-22 22:24:38,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:24:38,726 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 202 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:38,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 287 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:24:38,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-11-22 22:24:38,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1079. [2024-11-22 22:24:38,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 944 states have (on average 1.277542372881356) internal successors, (1206), 971 states have internal predecessors, (1206), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-22 22:24:38,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1416 transitions. [2024-11-22 22:24:38,785 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1416 transitions. Word has length 101 [2024-11-22 22:24:38,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:38,786 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1416 transitions. [2024-11-22 22:24:38,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:24:38,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1416 transitions. [2024-11-22 22:24:38,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 22:24:38,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:38,787 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:38,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-22 22:24:38,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-22 22:24:38,992 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:38,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:38,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1500178603, now seen corresponding path program 1 times [2024-11-22 22:24:38,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:38,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550723337] [2024-11-22 22:24:38,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:38,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:39,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1089557065] [2024-11-22 22:24:39,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:39,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:39,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:39,006 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:39,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-22 22:24:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:39,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:24:39,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:39,414 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:39,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:39,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:39,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550723337] [2024-11-22 22:24:39,558 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:39,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089557065] [2024-11-22 22:24:39,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089557065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:39,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:39,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-22 22:24:39,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577675774] [2024-11-22 22:24:39,559 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:39,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:24:39,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:39,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:24:39,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:24:39,559 INFO L87 Difference]: Start difference. First operand 1079 states and 1416 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:24:39,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:39,873 INFO L93 Difference]: Finished difference Result 1112 states and 1458 transitions. [2024-11-22 22:24:39,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:24:39,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2024-11-22 22:24:39,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:39,876 INFO L225 Difference]: With dead ends: 1112 [2024-11-22 22:24:39,876 INFO L226 Difference]: Without dead ends: 1110 [2024-11-22 22:24:39,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:24:39,876 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 88 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:39,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 229 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:39,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2024-11-22 22:24:39,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1085. [2024-11-22 22:24:39,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 949 states have (on average 1.2771338250790305) internal successors, (1212), 976 states have internal predecessors, (1212), 106 states have call successors, (106), 2 states have call predecessors, (106), 2 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-11-22 22:24:39,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1424 transitions. [2024-11-22 22:24:39,949 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1424 transitions. Word has length 102 [2024-11-22 22:24:39,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:39,949 INFO L471 AbstractCegarLoop]: Abstraction has 1085 states and 1424 transitions. [2024-11-22 22:24:39,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-22 22:24:39,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1424 transitions. [2024-11-22 22:24:39,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 22:24:39,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:39,950 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:39,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:40,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-22 22:24:40,153 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:40,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:40,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1521572395, now seen corresponding path program 2 times [2024-11-22 22:24:40,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:40,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337270071] [2024-11-22 22:24:40,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:40,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:40,165 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:40,166 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:24:40,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789598047] [2024-11-22 22:24:40,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:40,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:40,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:40,169 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:40,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-22 22:24:40,220 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:40,221 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:24:40,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:24:40,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:40,535 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:40,837 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:40,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:40,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337270071] [2024-11-22 22:24:40,838 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:40,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789598047] [2024-11-22 22:24:40,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789598047] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:24:40,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:24:40,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-22 22:24:40,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40051002] [2024-11-22 22:24:40,838 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:40,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:24:40,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:40,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:24:40,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:24:40,839 INFO L87 Difference]: Start difference. First operand 1085 states and 1424 transitions. Second operand has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:24:42,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:42,767 INFO L93 Difference]: Finished difference Result 1157 states and 1508 transitions. [2024-11-22 22:24:42,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:24:42,767 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 102 [2024-11-22 22:24:42,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:42,771 INFO L225 Difference]: With dead ends: 1157 [2024-11-22 22:24:42,772 INFO L226 Difference]: Without dead ends: 1155 [2024-11-22 22:24:42,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:24:42,773 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 279 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:42,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 330 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-22 22:24:42,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-11-22 22:24:42,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1100. [2024-11-22 22:24:42,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1100 states, 966 states have (on average 1.2701863354037266) internal successors, (1227), 992 states have internal predecessors, (1227), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-22 22:24:42,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1437 transitions. [2024-11-22 22:24:42,835 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1437 transitions. Word has length 102 [2024-11-22 22:24:42,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:42,835 INFO L471 AbstractCegarLoop]: Abstraction has 1100 states and 1437 transitions. [2024-11-22 22:24:42,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.0) internal successors, (128), 9 states have internal predecessors, (128), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:24:42,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1437 transitions. [2024-11-22 22:24:42,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 22:24:42,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:42,840 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:42,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:43,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:43,041 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:43,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:43,042 INFO L85 PathProgramCache]: Analyzing trace with hash 739103617, now seen corresponding path program 1 times [2024-11-22 22:24:43,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:43,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966990119] [2024-11-22 22:24:43,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:43,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:43,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1300816271] [2024-11-22 22:24:43,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:43,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:43,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:43,060 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:43,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-22 22:24:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:43,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:24:43,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:43,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-22 22:24:43,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:43,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966990119] [2024-11-22 22:24:43,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:43,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300816271] [2024-11-22 22:24:43,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300816271] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:43,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:43,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-22 22:24:43,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464249566] [2024-11-22 22:24:43,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:43,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:24:43,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:43,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:24:43,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:24:43,578 INFO L87 Difference]: Start difference. First operand 1100 states and 1437 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:43,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:43,950 INFO L93 Difference]: Finished difference Result 1100 states and 1437 transitions. [2024-11-22 22:24:43,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:24:43,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 103 [2024-11-22 22:24:43,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:43,954 INFO L225 Difference]: With dead ends: 1100 [2024-11-22 22:24:43,954 INFO L226 Difference]: Without dead ends: 1099 [2024-11-22 22:24:43,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:43,955 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 82 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:43,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 109 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:24:43,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2024-11-22 22:24:44,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1099. [2024-11-22 22:24:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 966 states have (on average 1.2494824016563146) internal successors, (1207), 991 states have internal predecessors, (1207), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-22 22:24:44,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1417 transitions. [2024-11-22 22:24:44,044 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1417 transitions. Word has length 103 [2024-11-22 22:24:44,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:44,046 INFO L471 AbstractCegarLoop]: Abstraction has 1099 states and 1417 transitions. [2024-11-22 22:24:44,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:44,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1417 transitions. [2024-11-22 22:24:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-22 22:24:44,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:44,048 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:44,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-22 22:24:44,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:44,253 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:44,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:44,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1437375703, now seen corresponding path program 1 times [2024-11-22 22:24:44,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:44,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732236741] [2024-11-22 22:24:44,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:44,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:44,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [729968684] [2024-11-22 22:24:44,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:44,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:44,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:44,268 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:44,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-22 22:24:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:44,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:24:44,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:24:44,724 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:44,933 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-22 22:24:44,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:44,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732236741] [2024-11-22 22:24:44,933 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:44,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729968684] [2024-11-22 22:24:44,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729968684] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:44,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:44,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-22 22:24:44,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740559079] [2024-11-22 22:24:44,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:44,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:24:44,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:44,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:24:44,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:24:44,934 INFO L87 Difference]: Start difference. First operand 1099 states and 1417 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:45,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:45,876 INFO L93 Difference]: Finished difference Result 1099 states and 1417 transitions. [2024-11-22 22:24:45,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:24:45,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 104 [2024-11-22 22:24:45,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:45,884 INFO L225 Difference]: With dead ends: 1099 [2024-11-22 22:24:45,884 INFO L226 Difference]: Without dead ends: 1096 [2024-11-22 22:24:45,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 197 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:24:45,889 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 82 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:45,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 109 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:24:45,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2024-11-22 22:24:45,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1096. [2024-11-22 22:24:45,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1096 states, 966 states have (on average 1.2246376811594204) internal successors, (1183), 988 states have internal predecessors, (1183), 105 states have call successors, (105), 2 states have call predecessors, (105), 2 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-22 22:24:45,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1393 transitions. [2024-11-22 22:24:45,952 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1393 transitions. Word has length 104 [2024-11-22 22:24:45,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:45,952 INFO L471 AbstractCegarLoop]: Abstraction has 1096 states and 1393 transitions. [2024-11-22 22:24:45,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-22 22:24:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1393 transitions. [2024-11-22 22:24:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-22 22:24:45,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:45,953 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-22 22:24:45,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:46,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-22 22:24:46,154 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:46,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:46,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1987479453, now seen corresponding path program 1 times [2024-11-22 22:24:46,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:46,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17004716] [2024-11-22 22:24:46,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:46,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:24:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-22 22:24:46,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:46,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17004716] [2024-11-22 22:24:46,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17004716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:24:46,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:24:46,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:24:46,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759741985] [2024-11-22 22:24:46,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:24:46,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:24:46,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:46,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:24:46,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:24:46,236 INFO L87 Difference]: Start difference. First operand 1096 states and 1393 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:24:46,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:46,779 INFO L93 Difference]: Finished difference Result 1118 states and 1413 transitions. [2024-11-22 22:24:46,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:24:46,780 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 105 [2024-11-22 22:24:46,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:46,783 INFO L225 Difference]: With dead ends: 1118 [2024-11-22 22:24:46,783 INFO L226 Difference]: Without dead ends: 1106 [2024-11-22 22:24:46,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:24:46,787 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 141 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:46,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 187 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:24:46,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2024-11-22 22:24:46,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1084. [2024-11-22 22:24:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 956 states have (on average 1.2196652719665273) internal successors, (1166), 977 states have internal predecessors, (1166), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-22 22:24:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1374 transitions. [2024-11-22 22:24:46,869 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1374 transitions. Word has length 105 [2024-11-22 22:24:46,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:46,870 INFO L471 AbstractCegarLoop]: Abstraction has 1084 states and 1374 transitions. [2024-11-22 22:24:46,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:24:46,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1374 transitions. [2024-11-22 22:24:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 22:24:46,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:46,871 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:46,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-22 22:24:46,871 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:46,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:46,872 INFO L85 PathProgramCache]: Analyzing trace with hash 678765955, now seen corresponding path program 2 times [2024-11-22 22:24:46,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:46,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762879503] [2024-11-22 22:24:46,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:46,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:46,884 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:46,885 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:24:46,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1151553900] [2024-11-22 22:24:46,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:24:46,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:46,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:46,888 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:46,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-22 22:24:46,945 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:24:46,945 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:24:46,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-22 22:24:46,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:24:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 15 proven. 51 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-22 22:24:47,577 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:24:47,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:24:47,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762879503] [2024-11-22 22:24:47,697 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:24:47,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151553900] [2024-11-22 22:24:47,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151553900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:24:47,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:24:47,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-22 22:24:47,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067991848] [2024-11-22 22:24:47,698 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:24:47,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:24:47,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:24:47,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:24:47,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:24:47,699 INFO L87 Difference]: Start difference. First operand 1084 states and 1374 transitions. Second operand has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:24:48,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:24:48,569 INFO L93 Difference]: Finished difference Result 1270 states and 1613 transitions. [2024-11-22 22:24:48,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:24:48,569 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 110 [2024-11-22 22:24:48,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:24:48,572 INFO L225 Difference]: With dead ends: 1270 [2024-11-22 22:24:48,572 INFO L226 Difference]: Without dead ends: 1269 [2024-11-22 22:24:48,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:24:48,573 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 152 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:24:48,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 444 Invalid, 1417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:24:48,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2024-11-22 22:24:48,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1084. [2024-11-22 22:24:48,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 956 states have (on average 1.2186192468619246) internal successors, (1165), 977 states have internal predecessors, (1165), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-22 22:24:48,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1373 transitions. [2024-11-22 22:24:48,639 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1373 transitions. Word has length 110 [2024-11-22 22:24:48,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:24:48,639 INFO L471 AbstractCegarLoop]: Abstraction has 1084 states and 1373 transitions. [2024-11-22 22:24:48,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 11 states have internal predecessors, (74), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:24:48,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1373 transitions. [2024-11-22 22:24:48,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-22 22:24:48,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:24:48,640 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:24:48,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:48,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-22 22:24:48,841 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:24:48,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:24:48,841 INFO L85 PathProgramCache]: Analyzing trace with hash 538470858, now seen corresponding path program 1 times [2024-11-22 22:24:48,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:24:48,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541580634] [2024-11-22 22:24:48,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:48,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:24:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:24:48,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1277346527] [2024-11-22 22:24:48,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:24:48,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:24:48,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:24:48,855 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:24:48,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-22 22:24:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 22:24:48,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 22:24:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 22:24:48,991 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 22:24:48,991 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 22:24:48,992 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 56 remaining) [2024-11-22 22:24:48,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 56 remaining) [2024-11-22 22:24:48,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 56 remaining) [2024-11-22 22:24:48,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 56 remaining) [2024-11-22 22:24:48,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 56 remaining) [2024-11-22 22:24:48,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 56 remaining) [2024-11-22 22:24:48,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 56 remaining) [2024-11-22 22:24:48,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 56 remaining) [2024-11-22 22:24:48,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 56 remaining) [2024-11-22 22:24:48,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 56 remaining) [2024-11-22 22:24:48,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 56 remaining) [2024-11-22 22:24:48,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 56 remaining) [2024-11-22 22:24:48,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 56 remaining) [2024-11-22 22:24:48,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 56 remaining) [2024-11-22 22:24:48,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 56 remaining) [2024-11-22 22:24:48,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 56 remaining) [2024-11-22 22:24:48,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 56 remaining) [2024-11-22 22:24:48,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 56 remaining) [2024-11-22 22:24:48,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 56 remaining) [2024-11-22 22:24:48,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 56 remaining) [2024-11-22 22:24:48,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 56 remaining) [2024-11-22 22:24:48,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 56 remaining) [2024-11-22 22:24:48,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 56 remaining) [2024-11-22 22:24:48,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 56 remaining) [2024-11-22 22:24:48,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 56 remaining) [2024-11-22 22:24:48,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 56 remaining) [2024-11-22 22:24:48,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 56 remaining) [2024-11-22 22:24:48,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 56 remaining) [2024-11-22 22:24:48,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 56 remaining) [2024-11-22 22:24:48,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 56 remaining) [2024-11-22 22:24:48,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 56 remaining) [2024-11-22 22:24:48,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 56 remaining) [2024-11-22 22:24:48,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 56 remaining) [2024-11-22 22:24:48,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 56 remaining) [2024-11-22 22:24:48,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 56 remaining) [2024-11-22 22:24:48,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 56 remaining) [2024-11-22 22:24:48,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 56 remaining) [2024-11-22 22:24:48,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 56 remaining) [2024-11-22 22:24:48,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 56 remaining) [2024-11-22 22:24:48,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 56 remaining) [2024-11-22 22:24:48,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 56 remaining) [2024-11-22 22:24:48,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 56 remaining) [2024-11-22 22:24:48,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 56 remaining) [2024-11-22 22:24:49,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-11-22 22:24:49,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-22 22:24:49,206 INFO L407 BasicCegarLoop]: Path program 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, 1, 1] [2024-11-22 22:24:49,251 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 22:24:49,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:24:49 BoogieIcfgContainer [2024-11-22 22:24:49,254 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 22:24:49,255 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 22:24:49,255 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 22:24:49,255 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 22:24:49,255 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:23:56" (3/4) ... [2024-11-22 22:24:49,256 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-22 22:24:49,313 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 22:24:49,314 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 22:24:49,314 INFO L158 Benchmark]: Toolchain (without parser) took 53722.48ms. Allocated memory was 186.6MB in the beginning and 276.8MB in the end (delta: 90.2MB). Free memory was 114.2MB in the beginning and 99.4MB in the end (delta: 14.8MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. [2024-11-22 22:24:49,314 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 186.6MB. Free memory is still 154.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:24:49,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.38ms. Allocated memory is still 186.6MB. Free memory was 114.0MB in the beginning and 101.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 22:24:49,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.60ms. Allocated memory is still 186.6MB. Free memory was 101.4MB in the beginning and 99.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 22:24:49,314 INFO L158 Benchmark]: Boogie Preprocessor took 57.27ms. Allocated memory is still 186.6MB. Free memory was 99.5MB in the beginning and 154.4MB in the end (delta: -54.9MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-22 22:24:49,315 INFO L158 Benchmark]: RCFGBuilder took 572.45ms. Allocated memory is still 186.6MB. Free memory was 154.4MB in the beginning and 134.9MB in the end (delta: 19.5MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-11-22 22:24:49,315 INFO L158 Benchmark]: TraceAbstraction took 52687.93ms. Allocated memory was 186.6MB in the beginning and 276.8MB in the end (delta: 90.2MB). Free memory was 134.6MB in the beginning and 103.6MB in the end (delta: 31.0MB). Peak memory consumption was 122.3MB. Max. memory is 16.1GB. [2024-11-22 22:24:49,315 INFO L158 Benchmark]: Witness Printer took 59.10ms. Allocated memory is still 276.8MB. Free memory was 103.6MB in the beginning and 99.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 22:24:49,316 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 186.6MB. Free memory is still 154.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.38ms. Allocated memory is still 186.6MB. Free memory was 114.0MB in the beginning and 101.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.60ms. Allocated memory is still 186.6MB. Free memory was 101.4MB in the beginning and 99.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.27ms. Allocated memory is still 186.6MB. Free memory was 99.5MB in the beginning and 154.4MB in the end (delta: -54.9MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * RCFGBuilder took 572.45ms. Allocated memory is still 186.6MB. Free memory was 154.4MB in the beginning and 134.9MB in the end (delta: 19.5MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 52687.93ms. Allocated memory was 186.6MB in the beginning and 276.8MB in the end (delta: 90.2MB). Free memory was 134.6MB in the beginning and 103.6MB in the end (delta: 31.0MB). Peak memory consumption was 122.3MB. Max. memory is 16.1GB. * Witness Printer took 59.10ms. Allocated memory is still 276.8MB. Free memory was 103.6MB in the beginning and 99.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 35]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int a, b, p, q, r, s; [L20] int x, y; [L21] x = __VERIFIER_nondet_int() [L22] y = __VERIFIER_nondet_int() [L23] CALL assume_abort_if_not(x >= 1) VAL [\old(cond)=1] [L8] COND FALSE !(!cond) VAL [\old(cond)=1] [L23] RET assume_abort_if_not(x >= 1) VAL [x=1073741824, y=1073741825] [L24] CALL assume_abort_if_not(y >= 1) VAL [\old(cond)=1] [L8] COND FALSE !(!cond) VAL [\old(cond)=1] [L24] RET assume_abort_if_not(y >= 1) VAL [x=1073741824, y=1073741825] [L26] a = x [L27] b = y [L28] p = 1 [L29] q = 0 [L30] r = 0 [L31] s = 1 VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] COND TRUE 1 VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR r * q VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s - r * q VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L34] CALL __VERIFIER_assert(1 == p * s - r * q) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR y * r VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR x * p VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR y * r + x * p VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L35] CALL __VERIFIER_assert(a == y * r + x * p) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(a == y * r + x * p) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR x * q VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR y * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR x * q + y * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L36] CALL __VERIFIER_assert(b == x * q + y * s) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L36] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L38] COND FALSE !(!(a != b)) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L41] COND FALSE !(a > b) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L46] EXPR b - a [L46] b = b - a VAL [a=1073741824, b=1, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L47] EXPR q - p [L47] q = q - p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L48] EXPR s - r [L48] s = s - r VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] COND TRUE 1 VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR r * q VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s - r * q VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L34] CALL __VERIFIER_assert(1 == p * s - r * q) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR y * r VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR x * p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L35] EXPR y * r + x * p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L35] CALL __VERIFIER_assert(a == y * r + x * p) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(a == y * r + x * p) VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR x * q VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR y * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L36] EXPR x * q + y * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L36] CALL __VERIFIER_assert(b == x * q + y * s) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L36] RET __VERIFIER_assert(b == x * q + y * s) VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L38] COND FALSE !(!(a != b)) VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L41] COND TRUE a > b VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L42] EXPR a - b [L42] a = a - b VAL [a=1073741823, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L43] EXPR p - q [L43] p = p - q VAL [a=1073741823, b=1, p=2, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L44] EXPR r - s [L44] r = r - s VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L33] COND TRUE 1 VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L34] EXPR r * q VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L34] EXPR p * s - r * q VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L34] CALL __VERIFIER_assert(1 == p * s - r * q) [L11] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L34] RET __VERIFIER_assert(1 == p * s - r * q) VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L35] y * r VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L35] x * p VAL [a=1073741823, b=1, q=-1, r=-1, s=1, y=1073741825] - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 141 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 52.6s, OverallIterations: 50, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 21.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9466 SdHoareTripleChecker+Valid, 18.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9195 mSDsluCounter, 11790 SdHoareTripleChecker+Invalid, 16.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8003 mSDsCounter, 673 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20752 IncrementalHoareTripleChecker+Invalid, 21425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 673 mSolverCounterUnsat, 3787 mSDtfsCounter, 20752 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4122 GetRequests, 3725 SyntacticMatches, 5 SemanticMatches, 392 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1105occurred in iteration=41, InterpolantAutomatonStates: 353, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 49 MinimizatonAttempts, 2649 StatesRemovedByMinimization, 43 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 6397 NumberOfCodeBlocks, 6397 NumberOfCodeBlocksAsserted, 103 NumberOfCheckSat, 4478 ConstructedInterpolants, 17 QuantifiedInterpolants, 27104 SizeOfPredicates, 59 NumberOfNonLiveVariables, 6291 ConjunctsInSsa, 403 ConjunctsInUnsatCore, 65 InterpolantComputations, 24 PerfectInterpolantSequences, 2473/3358 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-22 22:24:49,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)