./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.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 0af3ae3e1b18402d7b766cf1943edddd3bf558b5da3e0e85ca5f8b1f74f72a1e --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:39:41,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:39:41,299 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:39:41,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:39:41,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:39:41,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:39:41,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:39:41,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:39:41,342 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:39:41,344 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:39:41,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:39:41,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:39:41,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:39:41,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:39:41,349 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:39:41,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:39:41,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:39:41,350 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:39:41,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:39:41,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:39:41,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:39:41,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:39:41,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:39:41,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:39:41,354 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:39:41,354 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:39:41,354 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:39:41,355 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:39:41,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:39:41,355 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:39:41,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:39:41,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:39:41,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:39:41,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:39:41,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:39:41,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:39:41,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:39:41,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:39:41,364 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:39:41,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:39:41,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:39:41,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:39:41,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:39:41,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:39:41,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0af3ae3e1b18402d7b766cf1943edddd3bf558b5da3e0e85ca5f8b1f74f72a1e [2024-11-09 11:39:41,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:39:41,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:39:41,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:39:41,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:39:41,642 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:39:41,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c [2024-11-09 11:39:43,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:39:43,287 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:39:43,287 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c [2024-11-09 11:39:43,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/616e18663/b087218dd43b42c1a74eb95073d12e47/FLAG3d98f5b56 [2024-11-09 11:39:43,308 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/616e18663/b087218dd43b42c1a74eb95073d12e47 [2024-11-09 11:39:43,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:39:43,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:39:43,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:39:43,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:39:43,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:39:43,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab8958a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43, skipping insertion in model container [2024-11-09 11:39:43,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:39:43,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:39:43,570 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:39:43,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:39:43,618 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:39:43,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43 WrapperNode [2024-11-09 11:39:43,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:39:43,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:39:43,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:39:43,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:39:43,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,668 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2024-11-09 11:39:43,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:39:43,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:39:43,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:39:43,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:39:43,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,680 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,694 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:39:43,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:39:43,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:39:43,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:39:43,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:39:43,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43" (1/1) ... [2024-11-09 11:39:43,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:39:43,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:43,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:39:43,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:39:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:39:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:39:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:39:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:39:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:39:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:39:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:39:43,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:39:43,878 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:39:43,881 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:39:44,612 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2024-11-09 11:39:44,612 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:39:44,638 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:39:44,642 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:39:44,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:39:44 BoogieIcfgContainer [2024-11-09 11:39:44,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:39:44,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:39:44,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:39:44,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:39:44,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:39:43" (1/3) ... [2024-11-09 11:39:44,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f9f197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:39:44, skipping insertion in model container [2024-11-09 11:39:44,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:43" (2/3) ... [2024-11-09 11:39:44,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f9f197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:39:44, skipping insertion in model container [2024-11-09 11:39:44,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:39:44" (3/3) ... [2024-11-09 11:39:44,657 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_unwindbound1.c [2024-11-09 11:39:44,674 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:39:44,674 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-09 11:39:44,749 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:39:44,757 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;@77dd0e02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:39:44,758 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-09 11:39:44,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 states have internal predecessors, (140), 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) [2024-11-09 11:39:44,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:39:44,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:44,771 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:44,772 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:44,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:44,778 INFO L85 PathProgramCache]: Analyzing trace with hash 426625631, now seen corresponding path program 1 times [2024-11-09 11:39:44,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:44,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477199332] [2024-11-09 11:39:44,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:44,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:44,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:39:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:44,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:39:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:44,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:44,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:44,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477199332] [2024-11-09 11:39:44,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477199332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:44,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:44,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:44,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727643314] [2024-11-09 11:39:44,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:44,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:39:44,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:44,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:39:44,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:39:44,993 INFO L87 Difference]: Start difference. First operand has 146 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 states have internal predecessors, (140), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:39:45,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:45,033 INFO L93 Difference]: Finished difference Result 288 states and 320 transitions. [2024-11-09 11:39:45,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:39:45,035 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 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 [2024-11-09 11:39:45,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:45,043 INFO L225 Difference]: With dead ends: 288 [2024-11-09 11:39:45,043 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 11:39:45,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:39:45,049 INFO L432 NwaCegarLoop]: 154 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, 154 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 [2024-11-09 11:39:45,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:39:45,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 11:39:45,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-09 11:39:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 71 states have (on average 1.8450704225352113) internal successors, (131), 128 states have internal predecessors, (131), 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) [2024-11-09 11:39:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 147 transitions. [2024-11-09 11:39:45,097 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 147 transitions. Word has length 15 [2024-11-09 11:39:45,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:45,098 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 147 transitions. [2024-11-09 11:39:45,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:39:45,098 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2024-11-09 11:39:45,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:39:45,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:45,099 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:45,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:39:45,099 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:45,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:45,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1184948511, now seen corresponding path program 1 times [2024-11-09 11:39:45,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:45,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949768620] [2024-11-09 11:39:45,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:45,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:45,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:39:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:45,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:39:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:45,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:45,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949768620] [2024-11-09 11:39:45,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949768620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:45,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:45,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:45,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020027309] [2024-11-09 11:39:45,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:45,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:45,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:45,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:45,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:45,302 INFO L87 Difference]: Start difference. First operand 139 states and 147 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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) [2024-11-09 11:39:45,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:45,366 INFO L93 Difference]: Finished difference Result 139 states and 147 transitions. [2024-11-09 11:39:45,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:45,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 [2024-11-09 11:39:45,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:45,370 INFO L225 Difference]: With dead ends: 139 [2024-11-09 11:39:45,370 INFO L226 Difference]: Without dead ends: 138 [2024-11-09 11:39:45,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:39:45,371 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 142 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:45,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 279 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:39:45,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-09 11:39:45,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-09 11:39:45,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 71 states have (on average 1.8309859154929577) internal successors, (130), 127 states have internal predecessors, (130), 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) [2024-11-09 11:39:45,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2024-11-09 11:39:45,384 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 15 [2024-11-09 11:39:45,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:45,386 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2024-11-09 11:39:45,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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) [2024-11-09 11:39:45,387 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2024-11-09 11:39:45,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 11:39:45,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:45,388 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:45,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:39:45,388 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:45,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:45,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1921301779, now seen corresponding path program 1 times [2024-11-09 11:39:45,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:45,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920610311] [2024-11-09 11:39:45,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:45,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:45,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:39:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:45,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:39:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:45,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:45,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:45,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920610311] [2024-11-09 11:39:45,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920610311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:45,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:45,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:45,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10037505] [2024-11-09 11:39:45,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:45,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:45,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:45,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:45,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:45,496 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:45,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:45,546 INFO L93 Difference]: Finished difference Result 202 states and 212 transitions. [2024-11-09 11:39:45,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:39:45,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 16 [2024-11-09 11:39:45,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:45,549 INFO L225 Difference]: With dead ends: 202 [2024-11-09 11:39:45,549 INFO L226 Difference]: Without dead ends: 142 [2024-11-09 11:39:45,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:39:45,551 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 8 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:45,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 414 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:39:45,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-09 11:39:45,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-09 11:39:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 75 states have (on average 1.7866666666666666) internal successors, (134), 131 states have internal predecessors, (134), 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) [2024-11-09 11:39:45,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2024-11-09 11:39:45,577 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 16 [2024-11-09 11:39:45,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:45,580 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2024-11-09 11:39:45,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:45,581 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2024-11-09 11:39:45,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 11:39:45,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:45,582 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:45,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:39:45,583 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:45,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:45,584 INFO L85 PathProgramCache]: Analyzing trace with hash 464929231, now seen corresponding path program 1 times [2024-11-09 11:39:45,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:45,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792793752] [2024-11-09 11:39:45,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:45,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:45,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [618146920] [2024-11-09 11:39:45,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:45,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:45,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:45,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:45,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:39:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:45,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:39:45,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:45,745 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:45,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:45,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792793752] [2024-11-09 11:39:45,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:45,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618146920] [2024-11-09 11:39:45,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618146920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:45,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:45,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:45,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127942199] [2024-11-09 11:39:45,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:45,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:39:45,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:45,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:39:45,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:45,753 INFO L87 Difference]: Start difference. First operand 142 states and 150 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:46,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:46,038 INFO L93 Difference]: Finished difference Result 226 states and 273 transitions. [2024-11-09 11:39:46,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:39:46,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 18 [2024-11-09 11:39:46,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:46,041 INFO L225 Difference]: With dead ends: 226 [2024-11-09 11:39:46,044 INFO L226 Difference]: Without dead ends: 222 [2024-11-09 11:39:46,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:46,046 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 73 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:46,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 148 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:39:46,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-09 11:39:46,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2024-11-09 11:39:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 108 states have (on average 1.8148148148148149) internal successors, (196), 164 states have internal predecessors, (196), 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) [2024-11-09 11:39:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2024-11-09 11:39:46,073 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 18 [2024-11-09 11:39:46,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:46,074 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2024-11-09 11:39:46,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2024-11-09 11:39:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 11:39:46,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:46,075 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:46,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:39:46,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:46,277 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:46,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:46,277 INFO L85 PathProgramCache]: Analyzing trace with hash 120393905, now seen corresponding path program 1 times [2024-11-09 11:39:46,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:46,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586245929] [2024-11-09 11:39:46,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:46,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:46,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [570173658] [2024-11-09 11:39:46,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:46,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:46,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:46,294 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:46,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:39:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:46,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:39:46,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:46,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:46,375 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:46,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:46,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586245929] [2024-11-09 11:39:46,376 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:46,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570173658] [2024-11-09 11:39:46,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570173658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:46,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:46,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:46,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522820287] [2024-11-09 11:39:46,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:46,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:39:46,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:46,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:39:46,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:46,380 INFO L87 Difference]: Start difference. First operand 180 states and 222 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:46,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:46,841 INFO L93 Difference]: Finished difference Result 285 states and 351 transitions. [2024-11-09 11:39:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:39:46,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (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 20 [2024-11-09 11:39:46,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:46,843 INFO L225 Difference]: With dead ends: 285 [2024-11-09 11:39:46,843 INFO L226 Difference]: Without dead ends: 277 [2024-11-09 11:39:46,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:46,845 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 86 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:46,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 222 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:39:46,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-09 11:39:46,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 236. [2024-11-09 11:39:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 158 states have (on average 1.7721518987341771) internal successors, (280), 214 states have internal predecessors, (280), 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) [2024-11-09 11:39:46,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 318 transitions. [2024-11-09 11:39:46,880 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 318 transitions. Word has length 20 [2024-11-09 11:39:46,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:46,881 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 318 transitions. [2024-11-09 11:39:46,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 318 transitions. [2024-11-09 11:39:46,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 11:39:46,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:46,882 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:46,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:39:47,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:47,083 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:47,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:47,084 INFO L85 PathProgramCache]: Analyzing trace with hash -265572461, now seen corresponding path program 1 times [2024-11-09 11:39:47,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:47,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275593480] [2024-11-09 11:39:47,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:47,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:47,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1282677763] [2024-11-09 11:39:47,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:47,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:47,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:47,101 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:47,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:39:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:47,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:39:47,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:47,246 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:47,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:47,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275593480] [2024-11-09 11:39:47,247 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:47,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282677763] [2024-11-09 11:39:47,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282677763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:47,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:47,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:47,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829033611] [2024-11-09 11:39:47,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:47,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:39:47,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:47,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:39:47,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:47,248 INFO L87 Difference]: Start difference. First operand 236 states and 318 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:47,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:47,620 INFO L93 Difference]: Finished difference Result 271 states and 337 transitions. [2024-11-09 11:39:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:39:47,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 22 [2024-11-09 11:39:47,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:47,622 INFO L225 Difference]: With dead ends: 271 [2024-11-09 11:39:47,623 INFO L226 Difference]: Without dead ends: 257 [2024-11-09 11:39:47,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:47,625 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 63 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:47,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 161 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:39:47,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-09 11:39:47,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 202. [2024-11-09 11:39:47,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 129 states have (on average 1.689922480620155) internal successors, (218), 185 states have internal predecessors, (218), 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) [2024-11-09 11:39:47,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 246 transitions. [2024-11-09 11:39:47,645 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 246 transitions. Word has length 22 [2024-11-09 11:39:47,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:47,645 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 246 transitions. [2024-11-09 11:39:47,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:47,646 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 246 transitions. [2024-11-09 11:39:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:39:47,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:47,646 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] [2024-11-09 11:39:47,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:39:47,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:47,847 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:47,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:47,848 INFO L85 PathProgramCache]: Analyzing trace with hash 997499080, now seen corresponding path program 1 times [2024-11-09 11:39:47,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:47,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206867985] [2024-11-09 11:39:47,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:47,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:47,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1401539475] [2024-11-09 11:39:47,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:47,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:47,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:47,862 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:47,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:39:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:47,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:39:47,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:47,944 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:47,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:47,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206867985] [2024-11-09 11:39:47,945 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:47,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401539475] [2024-11-09 11:39:47,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401539475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:47,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:47,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:47,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968393434] [2024-11-09 11:39:47,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:47,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:39:47,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:47,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:39:47,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:47,946 INFO L87 Difference]: Start difference. First operand 202 states and 246 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 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) [2024-11-09 11:39:48,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:48,387 INFO L93 Difference]: Finished difference Result 367 states and 469 transitions. [2024-11-09 11:39:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:39:48,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 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 [2024-11-09 11:39:48,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:48,390 INFO L225 Difference]: With dead ends: 367 [2024-11-09 11:39:48,390 INFO L226 Difference]: Without dead ends: 359 [2024-11-09 11:39:48,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:48,391 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 86 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:48,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 216 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:39:48,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-09 11:39:48,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 283. [2024-11-09 11:39:48,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.681592039800995) internal successors, (338), 257 states have internal predecessors, (338), 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) [2024-11-09 11:39:48,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 384 transitions. [2024-11-09 11:39:48,406 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 384 transitions. Word has length 29 [2024-11-09 11:39:48,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:48,406 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 384 transitions. [2024-11-09 11:39:48,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 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) [2024-11-09 11:39:48,407 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 384 transitions. [2024-11-09 11:39:48,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:39:48,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:48,408 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] [2024-11-09 11:39:48,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:39:48,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:48,608 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:48,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:48,609 INFO L85 PathProgramCache]: Analyzing trace with hash 818910986, now seen corresponding path program 1 times [2024-11-09 11:39:48,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:48,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292590364] [2024-11-09 11:39:48,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:48,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:48,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1478682355] [2024-11-09 11:39:48,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:48,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:48,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:48,632 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:48,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:39:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:48,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:48,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:48,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:48,844 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:48,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:48,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292590364] [2024-11-09 11:39:48,845 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:48,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478682355] [2024-11-09 11:39:48,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478682355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:48,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:48,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:48,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219978889] [2024-11-09 11:39:48,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:48,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:48,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:48,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:48,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:48,847 INFO L87 Difference]: Start difference. First operand 283 states and 384 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) [2024-11-09 11:39:49,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:49,181 INFO L93 Difference]: Finished difference Result 337 states and 449 transitions. [2024-11-09 11:39:49,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:49,182 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 [2024-11-09 11:39:49,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:49,185 INFO L225 Difference]: With dead ends: 337 [2024-11-09 11:39:49,185 INFO L226 Difference]: Without dead ends: 335 [2024-11-09 11:39:49,185 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 [2024-11-09 11:39:49,186 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 178 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:49,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 162 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:39:49,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-09 11:39:49,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 283. [2024-11-09 11:39:49,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.6616915422885572) internal successors, (334), 257 states have internal predecessors, (334), 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) [2024-11-09 11:39:49,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 380 transitions. [2024-11-09 11:39:49,207 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 380 transitions. Word has length 31 [2024-11-09 11:39:49,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:49,208 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 380 transitions. [2024-11-09 11:39:49,208 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) [2024-11-09 11:39:49,208 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 380 transitions. [2024-11-09 11:39:49,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 11:39:49,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:49,209 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:49,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:39:49,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:49,414 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:49,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:49,414 INFO L85 PathProgramCache]: Analyzing trace with hash -383563140, now seen corresponding path program 1 times [2024-11-09 11:39:49,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:49,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878310249] [2024-11-09 11:39:49,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:49,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:49,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1610891713] [2024-11-09 11:39:49,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:49,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:49,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:49,431 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:49,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:39:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:49,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:49,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:49,574 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:49,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:49,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878310249] [2024-11-09 11:39:49,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:49,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610891713] [2024-11-09 11:39:49,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610891713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:49,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:49,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:49,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510892424] [2024-11-09 11:39:49,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:49,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:49,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:49,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:49,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:49,576 INFO L87 Difference]: Start difference. First operand 283 states and 380 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-09 11:39:49,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:49,799 INFO L93 Difference]: Finished difference Result 337 states and 445 transitions. [2024-11-09 11:39:49,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:49,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 32 [2024-11-09 11:39:49,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:49,801 INFO L225 Difference]: With dead ends: 337 [2024-11-09 11:39:49,801 INFO L226 Difference]: Without dead ends: 335 [2024-11-09 11:39:49,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:49,802 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 238 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 147 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 [2024-11-09 11:39:49,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 147 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:39:49,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-09 11:39:49,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 283. [2024-11-09 11:39:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.6417910447761195) internal successors, (330), 257 states have internal predecessors, (330), 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) [2024-11-09 11:39:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 376 transitions. [2024-11-09 11:39:49,816 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 376 transitions. Word has length 32 [2024-11-09 11:39:49,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:49,816 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 376 transitions. [2024-11-09 11:39:49,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-09 11:39:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 376 transitions. [2024-11-09 11:39:49,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 11:39:49,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:49,817 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:49,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 11:39:50,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:50,022 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:50,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:50,022 INFO L85 PathProgramCache]: Analyzing trace with hash 994444620, now seen corresponding path program 1 times [2024-11-09 11:39:50,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:50,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233667718] [2024-11-09 11:39:50,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:50,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:50,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [885009897] [2024-11-09 11:39:50,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:50,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:50,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:50,047 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:50,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:39:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:50,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:50,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:50,134 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:50,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:50,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233667718] [2024-11-09 11:39:50,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:50,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885009897] [2024-11-09 11:39:50,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885009897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:50,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:50,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:50,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13455292] [2024-11-09 11:39:50,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:50,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:50,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:50,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:50,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:50,137 INFO L87 Difference]: Start difference. First operand 283 states and 376 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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) [2024-11-09 11:39:50,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:50,934 INFO L93 Difference]: Finished difference Result 357 states and 449 transitions. [2024-11-09 11:39:50,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:50,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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 33 [2024-11-09 11:39:50,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:50,938 INFO L225 Difference]: With dead ends: 357 [2024-11-09 11:39:50,938 INFO L226 Difference]: Without dead ends: 355 [2024-11-09 11:39:50,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:50,939 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 148 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:50,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 179 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:39:50,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-09 11:39:50,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 284. [2024-11-09 11:39:50,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 202 states have (on average 1.6237623762376239) internal successors, (328), 258 states have internal predecessors, (328), 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) [2024-11-09 11:39:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 374 transitions. [2024-11-09 11:39:50,955 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 374 transitions. Word has length 33 [2024-11-09 11:39:50,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:50,955 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 374 transitions. [2024-11-09 11:39:50,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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) [2024-11-09 11:39:50,955 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 374 transitions. [2024-11-09 11:39:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:39:50,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:50,958 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:50,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:39:51,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:51,159 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:51,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:51,160 INFO L85 PathProgramCache]: Analyzing trace with hash 763012222, now seen corresponding path program 1 times [2024-11-09 11:39:51,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:51,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743203579] [2024-11-09 11:39:51,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:51,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:51,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [563275130] [2024-11-09 11:39:51,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:51,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:51,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:51,180 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:51,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:39:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:51,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:51,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:51,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:51,348 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:51,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:51,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743203579] [2024-11-09 11:39:51,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:51,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563275130] [2024-11-09 11:39:51,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563275130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:51,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:51,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:51,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922665098] [2024-11-09 11:39:51,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:51,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:51,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:51,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:51,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:51,351 INFO L87 Difference]: Start difference. First operand 284 states and 374 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, (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) [2024-11-09 11:39:52,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:52,365 INFO L93 Difference]: Finished difference Result 357 states and 445 transitions. [2024-11-09 11:39:52,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:52,365 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, (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 34 [2024-11-09 11:39:52,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:52,368 INFO L225 Difference]: With dead ends: 357 [2024-11-09 11:39:52,370 INFO L226 Difference]: Without dead ends: 355 [2024-11-09 11:39:52,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:52,371 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 147 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:52,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 206 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:39:52,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-09 11:39:52,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 285. [2024-11-09 11:39:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 203 states have (on average 1.6059113300492611) internal successors, (326), 259 states have internal predecessors, (326), 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) [2024-11-09 11:39:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 372 transitions. [2024-11-09 11:39:52,387 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 372 transitions. Word has length 34 [2024-11-09 11:39:52,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:52,387 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 372 transitions. [2024-11-09 11:39:52,387 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, (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) [2024-11-09 11:39:52,388 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 372 transitions. [2024-11-09 11:39:52,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:39:52,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:52,389 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] [2024-11-09 11:39:52,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:39:52,589 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,SelfDestructingSolverStorable10 [2024-11-09 11:39:52,590 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:52,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:52,590 INFO L85 PathProgramCache]: Analyzing trace with hash 97827175, now seen corresponding path program 1 times [2024-11-09 11:39:52,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:52,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502968066] [2024-11-09 11:39:52,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:52,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:52,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1004997217] [2024-11-09 11:39:52,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:52,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:52,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:52,621 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:52,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:39:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:52,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:52,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 11:39:52,777 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:52,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:52,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502968066] [2024-11-09 11:39:52,778 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:52,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004997217] [2024-11-09 11:39:52,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004997217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:52,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:52,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:52,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161516149] [2024-11-09 11:39:52,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:52,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:52,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:52,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:52,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:52,779 INFO L87 Difference]: Start difference. First operand 285 states and 372 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) [2024-11-09 11:39:53,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:53,300 INFO L93 Difference]: Finished difference Result 308 states and 391 transitions. [2024-11-09 11:39:53,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:53,301 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 [2024-11-09 11:39:53,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:53,302 INFO L225 Difference]: With dead ends: 308 [2024-11-09 11:39:53,302 INFO L226 Difference]: Without dead ends: 306 [2024-11-09 11:39:53,302 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 [2024-11-09 11:39:53,303 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 162 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:53,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 189 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:39:53,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-09 11:39:53,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 286. [2024-11-09 11:39:53,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 204 states have (on average 1.5931372549019607) internal successors, (325), 260 states have internal predecessors, (325), 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) [2024-11-09 11:39:53,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 371 transitions. [2024-11-09 11:39:53,315 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 371 transitions. Word has length 42 [2024-11-09 11:39:53,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:53,315 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 371 transitions. [2024-11-09 11:39:53,316 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) [2024-11-09 11:39:53,316 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 371 transitions. [2024-11-09 11:39:53,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 11:39:53,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:53,317 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:53,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 11:39:53,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:53,518 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:53,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:53,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1262324788, now seen corresponding path program 1 times [2024-11-09 11:39:53,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:53,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317457462] [2024-11-09 11:39:53,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:53,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:53,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1496661689] [2024-11-09 11:39:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:53,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:53,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:53,543 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:53,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:39:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:53,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:53,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:53,674 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 11:39:53,675 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:53,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:53,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317457462] [2024-11-09 11:39:53,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:53,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496661689] [2024-11-09 11:39:53,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496661689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:53,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:53,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:53,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693370002] [2024-11-09 11:39:53,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:53,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:53,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:53,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:53,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:53,677 INFO L87 Difference]: Start difference. First operand 286 states and 371 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-09 11:39:53,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:53,970 INFO L93 Difference]: Finished difference Result 308 states and 388 transitions. [2024-11-09 11:39:53,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:53,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 43 [2024-11-09 11:39:53,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:53,973 INFO L225 Difference]: With dead ends: 308 [2024-11-09 11:39:53,973 INFO L226 Difference]: Without dead ends: 306 [2024-11-09 11:39:53,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:53,974 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 161 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:53,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 177 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:39:53,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-09 11:39:53,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 287. [2024-11-09 11:39:53,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 205 states have (on average 1.5804878048780489) internal successors, (324), 261 states have internal predecessors, (324), 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) [2024-11-09 11:39:53,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 370 transitions. [2024-11-09 11:39:53,986 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 370 transitions. Word has length 43 [2024-11-09 11:39:53,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:53,986 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 370 transitions. [2024-11-09 11:39:53,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-09 11:39:53,987 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 370 transitions. [2024-11-09 11:39:53,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:39:53,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:53,988 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:54,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 11:39:54,188 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,SelfDestructingSolverStorable12 [2024-11-09 11:39:54,188 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:54,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:54,189 INFO L85 PathProgramCache]: Analyzing trace with hash -477362679, now seen corresponding path program 1 times [2024-11-09 11:39:54,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:54,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891360655] [2024-11-09 11:39:54,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:54,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:54,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1738733779] [2024-11-09 11:39:54,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:54,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:54,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:54,211 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:54,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:39:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:54,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:54,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 11:39:54,312 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:54,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:54,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891360655] [2024-11-09 11:39:54,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:54,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738733779] [2024-11-09 11:39:54,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738733779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:54,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:54,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:54,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409114205] [2024-11-09 11:39:54,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:54,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:54,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:54,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:54,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:54,315 INFO L87 Difference]: Start difference. First operand 287 states and 370 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-09 11:39:55,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:55,117 INFO L93 Difference]: Finished difference Result 316 states and 377 transitions. [2024-11-09 11:39:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:55,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 44 [2024-11-09 11:39:55,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:55,119 INFO L225 Difference]: With dead ends: 316 [2024-11-09 11:39:55,119 INFO L226 Difference]: Without dead ends: 314 [2024-11-09 11:39:55,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:55,120 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 82 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:55,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 258 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:39:55,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-09 11:39:55,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 288. [2024-11-09 11:39:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 206 states have (on average 1.5679611650485437) internal successors, (323), 262 states have internal predecessors, (323), 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) [2024-11-09 11:39:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 369 transitions. [2024-11-09 11:39:55,132 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 369 transitions. Word has length 44 [2024-11-09 11:39:55,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:55,133 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 369 transitions. [2024-11-09 11:39:55,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-09 11:39:55,133 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 369 transitions. [2024-11-09 11:39:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:39:55,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:55,134 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:55,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 11:39:55,334 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,SelfDestructingSolverStorable13 [2024-11-09 11:39:55,334 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:55,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:55,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1913341074, now seen corresponding path program 1 times [2024-11-09 11:39:55,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:55,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689133536] [2024-11-09 11:39:55,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:55,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:55,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1952815157] [2024-11-09 11:39:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:55,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:55,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:55,349 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:55,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:39:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:55,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:55,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:55,550 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 11:39:55,550 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:55,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:55,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689133536] [2024-11-09 11:39:55,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:55,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952815157] [2024-11-09 11:39:55,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952815157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:55,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:55,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:55,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827250393] [2024-11-09 11:39:55,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:55,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:55,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:55,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:55,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:55,552 INFO L87 Difference]: Start difference. First operand 288 states and 369 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-09 11:39:56,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:56,152 INFO L93 Difference]: Finished difference Result 316 states and 374 transitions. [2024-11-09 11:39:56,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:56,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 45 [2024-11-09 11:39:56,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:56,154 INFO L225 Difference]: With dead ends: 316 [2024-11-09 11:39:56,154 INFO L226 Difference]: Without dead ends: 314 [2024-11-09 11:39:56,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:56,155 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 133 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:56,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 224 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:39:56,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-09 11:39:56,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 289. [2024-11-09 11:39:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 263 states have internal predecessors, (322), 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) [2024-11-09 11:39:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 368 transitions. [2024-11-09 11:39:56,168 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 368 transitions. Word has length 45 [2024-11-09 11:39:56,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:56,168 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 368 transitions. [2024-11-09 11:39:56,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-09 11:39:56,169 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 368 transitions. [2024-11-09 11:39:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:39:56,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:56,169 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] [2024-11-09 11:39:56,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:39:56,370 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,SelfDestructingSolverStorable14 [2024-11-09 11:39:56,370 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:56,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:56,371 INFO L85 PathProgramCache]: Analyzing trace with hash 2077001505, now seen corresponding path program 1 times [2024-11-09 11:39:56,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:56,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367535403] [2024-11-09 11:39:56,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:56,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:39:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:39:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:39:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:39:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:39:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:39:56,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:56,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367535403] [2024-11-09 11:39:56,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367535403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:56,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:56,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:56,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523906388] [2024-11-09 11:39:56,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:56,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:39:56,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:56,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:39:56,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:56,456 INFO L87 Difference]: Start difference. First operand 289 states and 368 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:39:56,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:56,504 INFO L93 Difference]: Finished difference Result 380 states and 485 transitions. [2024-11-09 11:39:56,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:39:56,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 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 52 [2024-11-09 11:39:56,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:56,507 INFO L225 Difference]: With dead ends: 380 [2024-11-09 11:39:56,507 INFO L226 Difference]: Without dead ends: 378 [2024-11-09 11:39:56,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:56,508 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 46 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:56,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 283 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:39:56,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-09 11:39:56,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 291. [2024-11-09 11:39:56,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 210 states have (on average 1.5333333333333334) internal successors, (322), 265 states have internal predecessors, (322), 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) [2024-11-09 11:39:56,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 368 transitions. [2024-11-09 11:39:56,522 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 368 transitions. Word has length 52 [2024-11-09 11:39:56,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:56,522 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 368 transitions. [2024-11-09 11:39:56,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:39:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 368 transitions. [2024-11-09 11:39:56,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 11:39:56,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:56,523 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] [2024-11-09 11:39:56,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 11:39:56,523 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:56,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:56,524 INFO L85 PathProgramCache]: Analyzing trace with hash -37462655, now seen corresponding path program 1 times [2024-11-09 11:39:56,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:56,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116248371] [2024-11-09 11:39:56,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:56,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:39:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:39:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:39:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:39:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:39:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:39:56,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:56,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116248371] [2024-11-09 11:39:56,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116248371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:56,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:56,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:56,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680280058] [2024-11-09 11:39:56,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:56,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:39:56,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:56,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:39:56,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:56,605 INFO L87 Difference]: Start difference. First operand 291 states and 368 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:39:56,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:56,662 INFO L93 Difference]: Finished difference Result 379 states and 479 transitions. [2024-11-09 11:39:56,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:39:56,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2024-11-09 11:39:56,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:56,665 INFO L225 Difference]: With dead ends: 379 [2024-11-09 11:39:56,665 INFO L226 Difference]: Without dead ends: 377 [2024-11-09 11:39:56,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:56,666 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 45 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:56,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 296 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:39:56,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-09 11:39:56,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-11-09 11:39:56,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 213 states have (on average 1.5023474178403755) internal successors, (320), 267 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) [2024-11-09 11:39:56,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 366 transitions. [2024-11-09 11:39:56,681 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 366 transitions. Word has length 53 [2024-11-09 11:39:56,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:56,681 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 366 transitions. [2024-11-09 11:39:56,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:39:56,682 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 366 transitions. [2024-11-09 11:39:56,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 11:39:56,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:56,683 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] [2024-11-09 11:39:56,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 11:39:56,684 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:56,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:56,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1161300465, now seen corresponding path program 1 times [2024-11-09 11:39:56,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:56,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510431837] [2024-11-09 11:39:56,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:56,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:39:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:39:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:39:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:39:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:39:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,782 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:39:56,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:56,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510431837] [2024-11-09 11:39:56,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510431837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:56,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:56,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:56,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851147011] [2024-11-09 11:39:56,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:56,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:56,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:56,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:56,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:56,784 INFO L87 Difference]: Start difference. First operand 293 states and 366 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 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) [2024-11-09 11:39:57,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:57,305 INFO L93 Difference]: Finished difference Result 378 states and 471 transitions. [2024-11-09 11:39:57,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:39:57,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 [2024-11-09 11:39:57,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:57,307 INFO L225 Difference]: With dead ends: 378 [2024-11-09 11:39:57,307 INFO L226 Difference]: Without dead ends: 377 [2024-11-09 11:39:57,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:39:57,308 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 170 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:57,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 190 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:39:57,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-09 11:39:57,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-11-09 11:39:57,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 213 states have (on average 1.4976525821596245) internal successors, (319), 267 states have internal predecessors, (319), 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) [2024-11-09 11:39:57,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 365 transitions. [2024-11-09 11:39:57,325 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 365 transitions. Word has length 54 [2024-11-09 11:39:57,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:57,326 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 365 transitions. [2024-11-09 11:39:57,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:39:57,326 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 365 transitions. [2024-11-09 11:39:57,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 11:39:57,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:57,327 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] [2024-11-09 11:39:57,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 11:39:57,327 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:57,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:57,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1161314367, now seen corresponding path program 1 times [2024-11-09 11:39:57,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:57,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672283439] [2024-11-09 11:39:57,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:57,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:57,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:39:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:57,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:39:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:57,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:39:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:57,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:39:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:57,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:39:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:57,409 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:39:57,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:57,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672283439] [2024-11-09 11:39:57,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672283439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:57,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:57,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:57,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202542827] [2024-11-09 11:39:57,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:57,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:57,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:57,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:57,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:57,412 INFO L87 Difference]: Start difference. First operand 293 states and 365 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 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) [2024-11-09 11:39:58,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:58,116 INFO L93 Difference]: Finished difference Result 380 states and 473 transitions. [2024-11-09 11:39:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:39:58,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 [2024-11-09 11:39:58,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:58,118 INFO L225 Difference]: With dead ends: 380 [2024-11-09 11:39:58,118 INFO L226 Difference]: Without dead ends: 379 [2024-11-09 11:39:58,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:39:58,119 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 170 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:58,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 190 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:39:58,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-09 11:39:58,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 295. [2024-11-09 11:39:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 215 states have (on average 1.4930232558139536) internal successors, (321), 269 states have internal predecessors, (321), 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) [2024-11-09 11:39:58,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 367 transitions. [2024-11-09 11:39:58,142 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 367 transitions. Word has length 54 [2024-11-09 11:39:58,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:58,143 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 367 transitions. [2024-11-09 11:39:58,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:39:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 367 transitions. [2024-11-09 11:39:58,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 11:39:58,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:58,144 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, 1, 1, 1] [2024-11-09 11:39:58,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 11:39:58,145 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:58,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:58,145 INFO L85 PathProgramCache]: Analyzing trace with hash -340468281, now seen corresponding path program 1 times [2024-11-09 11:39:58,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:58,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154614326] [2024-11-09 11:39:58,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:58,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:39:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:39:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:39:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:39:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:39:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:39:58,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:58,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154614326] [2024-11-09 11:39:58,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154614326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:58,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:58,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:58,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644513673] [2024-11-09 11:39:58,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:58,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:39:58,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:58,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:39:58,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:58,248 INFO L87 Difference]: Start difference. First operand 295 states and 367 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 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) [2024-11-09 11:39:58,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:58,510 INFO L93 Difference]: Finished difference Result 355 states and 435 transitions. [2024-11-09 11:39:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:39:58,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 [2024-11-09 11:39:58,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:58,512 INFO L225 Difference]: With dead ends: 355 [2024-11-09 11:39:58,512 INFO L226 Difference]: Without dead ends: 351 [2024-11-09 11:39:58,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:58,514 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 47 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 154 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 [2024-11-09 11:39:58,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 154 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:39:58,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-09 11:39:58,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 305. [2024-11-09 11:39:58,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 225 states have (on average 1.4755555555555555) internal successors, (332), 279 states have internal predecessors, (332), 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) [2024-11-09 11:39:58,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 378 transitions. [2024-11-09 11:39:58,534 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 378 transitions. Word has length 57 [2024-11-09 11:39:58,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:58,535 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 378 transitions. [2024-11-09 11:39:58,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:39:58,535 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 378 transitions. [2024-11-09 11:39:58,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 11:39:58,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:58,538 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, 1, 1, 1] [2024-11-09 11:39:58,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 11:39:58,538 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:58,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:58,539 INFO L85 PathProgramCache]: Analyzing trace with hash 657109751, now seen corresponding path program 1 times [2024-11-09 11:39:58,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:58,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019209900] [2024-11-09 11:39:58,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:58,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:39:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:39:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:39:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:39:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:39:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:39:58,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:58,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019209900] [2024-11-09 11:39:58,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019209900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:58,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:58,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:39:58,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911365566] [2024-11-09 11:39:58,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:58,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:39:58,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:58,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:39:58,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:39:58,659 INFO L87 Difference]: Start difference. First operand 305 states and 378 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:39:58,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:58,737 INFO L93 Difference]: Finished difference Result 397 states and 486 transitions. [2024-11-09 11:39:58,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:39:58,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 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 [2024-11-09 11:39:58,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:58,739 INFO L225 Difference]: With dead ends: 397 [2024-11-09 11:39:58,739 INFO L226 Difference]: Without dead ends: 396 [2024-11-09 11:39:58,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:39:58,740 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 110 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:58,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 611 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:39:58,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-09 11:39:58,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 358. [2024-11-09 11:39:58,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.4814814814814814) internal successors, (400), 325 states have internal predecessors, (400), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 11:39:58,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 462 transitions. [2024-11-09 11:39:58,761 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 462 transitions. Word has length 61 [2024-11-09 11:39:58,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:58,761 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 462 transitions. [2024-11-09 11:39:58,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:39:58,762 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 462 transitions. [2024-11-09 11:39:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 11:39:58,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:58,764 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:58,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 11:39:58,765 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:58,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:58,765 INFO L85 PathProgramCache]: Analyzing trace with hash 122279784, now seen corresponding path program 1 times [2024-11-09 11:39:58,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:58,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837185011] [2024-11-09 11:39:58,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:58,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:39:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:39:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:39:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:39:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:39:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:39:58,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:58,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837185011] [2024-11-09 11:39:58,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837185011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:39:58,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739974220] [2024-11-09 11:39:58,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:58,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:58,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:58,886 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:58,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:39:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:39:58,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:39:59,115 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:39:59,258 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:39:59,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739974220] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:39:59,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:39:59,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-09 11:39:59,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893407558] [2024-11-09 11:39:59,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:39:59,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:39:59,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:59,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:39:59,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:39:59,263 INFO L87 Difference]: Start difference. First operand 358 states and 462 transitions. Second operand has 11 states, 10 states have (on average 11.8) internal successors, (118), 11 states have internal predecessors, (118), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:40:01,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:01,334 INFO L93 Difference]: Finished difference Result 937 states and 1174 transitions. [2024-11-09 11:40:01,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:40:01,337 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.8) internal successors, (118), 11 states have internal predecessors, (118), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 63 [2024-11-09 11:40:01,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:01,344 INFO L225 Difference]: With dead ends: 937 [2024-11-09 11:40:01,344 INFO L226 Difference]: Without dead ends: 935 [2024-11-09 11:40:01,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:40:01,346 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 1251 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:01,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1254 Valid, 633 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 11:40:01,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2024-11-09 11:40:01,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 507. [2024-11-09 11:40:01,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 407 states have (on average 1.4914004914004915) internal successors, (607), 462 states have internal predecessors, (607), 43 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-09 11:40:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 693 transitions. [2024-11-09 11:40:01,384 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 693 transitions. Word has length 63 [2024-11-09 11:40:01,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:01,385 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 693 transitions. [2024-11-09 11:40:01,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.8) internal successors, (118), 11 states have internal predecessors, (118), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:40:01,385 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 693 transitions. [2024-11-09 11:40:01,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 11:40:01,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:01,386 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:01,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:01,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-09 11:40:01,587 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:01,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:01,587 INFO L85 PathProgramCache]: Analyzing trace with hash 122279769, now seen corresponding path program 1 times [2024-11-09 11:40:01,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:01,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416803379] [2024-11-09 11:40:01,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:01,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:01,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:01,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416803379] [2024-11-09 11:40:01,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416803379] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:01,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640350153] [2024-11-09 11:40:01,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:01,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:01,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:01,702 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:01,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:40:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:40:01,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:01,841 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:01,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640350153] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:01,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:01,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 6 [2024-11-09 11:40:01,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419934757] [2024-11-09 11:40:01,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:01,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:40:01,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:01,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:40:01,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:01,917 INFO L87 Difference]: Start difference. First operand 507 states and 693 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 11:40:01,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:01,967 INFO L93 Difference]: Finished difference Result 605 states and 801 transitions. [2024-11-09 11:40:01,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:40:01,968 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 63 [2024-11-09 11:40:01,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:01,969 INFO L225 Difference]: With dead ends: 605 [2024-11-09 11:40:01,969 INFO L226 Difference]: Without dead ends: 164 [2024-11-09 11:40:01,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:01,971 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 68 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:01,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 218 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:40:01,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-09 11:40:01,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-11-09 11:40:01,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 124 states have (on average 1.2338709677419355) internal successors, (153), 147 states have internal predecessors, (153), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 181 transitions. [2024-11-09 11:40:01,983 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 181 transitions. Word has length 63 [2024-11-09 11:40:01,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:01,984 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 181 transitions. [2024-11-09 11:40:01,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 11:40:01,984 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 181 transitions. [2024-11-09 11:40:01,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 11:40:01,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:01,985 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, 1, 1] [2024-11-09 11:40:02,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:02,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:02,186 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:02,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:02,186 INFO L85 PathProgramCache]: Analyzing trace with hash 168760158, now seen corresponding path program 1 times [2024-11-09 11:40:02,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:02,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525532280] [2024-11-09 11:40:02,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:02,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 11:40:02,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:02,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525532280] [2024-11-09 11:40:02,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525532280] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:02,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998280639] [2024-11-09 11:40:02,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:02,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:02,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:02,312 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:02,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:40:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:40:02,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:02,561 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:02,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998280639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:02,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:02,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-09 11:40:02,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327261937] [2024-11-09 11:40:02,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:02,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:02,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:02,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:02,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:40:02,563 INFO L87 Difference]: Start difference. First operand 164 states and 181 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-09 11:40:02,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:02,900 INFO L93 Difference]: Finished difference Result 175 states and 193 transitions. [2024-11-09 11:40:02,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:40:02,900 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), 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 65 [2024-11-09 11:40:02,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:02,901 INFO L225 Difference]: With dead ends: 175 [2024-11-09 11:40:02,901 INFO L226 Difference]: Without dead ends: 174 [2024-11-09 11:40:02,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:02,902 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 61 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:02,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 109 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:02,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-09 11:40:02,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 164. [2024-11-09 11:40:02,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 124 states have (on average 1.2258064516129032) internal successors, (152), 147 states have internal predecessors, (152), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:02,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 180 transitions. [2024-11-09 11:40:02,924 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 180 transitions. Word has length 65 [2024-11-09 11:40:02,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:02,924 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 180 transitions. [2024-11-09 11:40:02,925 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), 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) [2024-11-09 11:40:02,925 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 180 transitions. [2024-11-09 11:40:02,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 11:40:02,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:02,926 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:02,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:03,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:03,126 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:03,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:03,127 INFO L85 PathProgramCache]: Analyzing trace with hash -504293862, now seen corresponding path program 1 times [2024-11-09 11:40:03,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:03,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079807996] [2024-11-09 11:40:03,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:03,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,205 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:03,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:03,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079807996] [2024-11-09 11:40:03,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079807996] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:03,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575170753] [2024-11-09 11:40:03,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:03,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:03,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:03,207 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:03,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:40:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:03,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:03,396 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:03,397 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:03,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575170753] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:03,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:03,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-11-09 11:40:03,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840744333] [2024-11-09 11:40:03,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:03,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:40:03,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:03,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:40:03,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:40:03,539 INFO L87 Difference]: Start difference. First operand 164 states and 180 transitions. Second operand has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 16 states have internal predecessors, (121), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:40:04,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:04,376 INFO L93 Difference]: Finished difference Result 179 states and 192 transitions. [2024-11-09 11:40:04,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:40:04,376 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 16 states have internal predecessors, (121), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 64 [2024-11-09 11:40:04,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:04,378 INFO L225 Difference]: With dead ends: 179 [2024-11-09 11:40:04,378 INFO L226 Difference]: Without dead ends: 178 [2024-11-09 11:40:04,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=222, Invalid=648, Unknown=0, NotChecked=0, Total=870 [2024-11-09 11:40:04,379 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 698 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:04,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 428 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:04,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-09 11:40:04,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 164. [2024-11-09 11:40:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 124 states have (on average 1.217741935483871) internal successors, (151), 147 states have internal predecessors, (151), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:04,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 179 transitions. [2024-11-09 11:40:04,393 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 179 transitions. Word has length 64 [2024-11-09 11:40:04,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:04,394 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 179 transitions. [2024-11-09 11:40:04,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 16 states have internal predecessors, (121), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:40:04,394 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 179 transitions. [2024-11-09 11:40:04,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 11:40:04,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:04,395 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:04,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:40:04,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 11:40:04,596 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:04,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:04,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1004795340, now seen corresponding path program 1 times [2024-11-09 11:40:04,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:04,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073732254] [2024-11-09 11:40:04,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:04,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,685 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:04,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:04,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073732254] [2024-11-09 11:40:04,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073732254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:04,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278730171] [2024-11-09 11:40:04,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:04,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:04,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:04,688 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:04,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:40:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:04,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:04,900 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:05,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278730171] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:05,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:05,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-09 11:40:05,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111127031] [2024-11-09 11:40:05,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:05,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:40:05,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:05,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:40:05,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:40:05,020 INFO L87 Difference]: Start difference. First operand 164 states and 179 transitions. Second operand has 11 states, 10 states have (on average 12.1) internal successors, (121), 11 states have internal predecessors, (121), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:40:05,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:05,661 INFO L93 Difference]: Finished difference Result 174 states and 191 transitions. [2024-11-09 11:40:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:40:05,662 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.1) internal successors, (121), 11 states have internal predecessors, (121), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 64 [2024-11-09 11:40:05,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:05,663 INFO L225 Difference]: With dead ends: 174 [2024-11-09 11:40:05,663 INFO L226 Difference]: Without dead ends: 173 [2024-11-09 11:40:05,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:40:05,664 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 280 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:05,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 304 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:05,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-09 11:40:05,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 163. [2024-11-09 11:40:05,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 124 states have (on average 1.2096774193548387) internal successors, (150), 146 states have internal predecessors, (150), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:05,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 178 transitions. [2024-11-09 11:40:05,681 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 178 transitions. Word has length 64 [2024-11-09 11:40:05,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:05,683 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 178 transitions. [2024-11-09 11:40:05,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.1) internal successors, (121), 11 states have internal predecessors, (121), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:40:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 178 transitions. [2024-11-09 11:40:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 11:40:05,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:05,684 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, 1, 1, 1] [2024-11-09 11:40:05,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:40:05,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 11:40:05,884 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:05,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:05,885 INFO L85 PathProgramCache]: Analyzing trace with hash 936597749, now seen corresponding path program 1 times [2024-11-09 11:40:05,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:05,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456828719] [2024-11-09 11:40:05,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:05,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:06,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:06,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:06,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:06,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:06,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:06,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 11:40:06,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:06,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456828719] [2024-11-09 11:40:06,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456828719] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:06,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661248164] [2024-11-09 11:40:06,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:06,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:06,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:06,053 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:06,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:40:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:06,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:40:06,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:06,312 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:06,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661248164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:06,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:06,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-09 11:40:06,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069810684] [2024-11-09 11:40:06,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:06,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:06,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:06,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:06,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:40:06,314 INFO L87 Difference]: Start difference. First operand 163 states and 178 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-11-09 11:40:06,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:06,698 INFO L93 Difference]: Finished difference Result 174 states and 190 transitions. [2024-11-09 11:40:06,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:06,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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 66 [2024-11-09 11:40:06,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:06,699 INFO L225 Difference]: With dead ends: 174 [2024-11-09 11:40:06,699 INFO L226 Difference]: Without dead ends: 173 [2024-11-09 11:40:06,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:40:06,700 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 58 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:06,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 124 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:40:06,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-09 11:40:06,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 163. [2024-11-09 11:40:06,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 124 states have (on average 1.2016129032258065) internal successors, (149), 146 states have internal predecessors, (149), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:06,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 177 transitions. [2024-11-09 11:40:06,714 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 177 transitions. Word has length 66 [2024-11-09 11:40:06,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:06,715 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 177 transitions. [2024-11-09 11:40:06,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-11-09 11:40:06,715 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2024-11-09 11:40:06,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 11:40:06,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:06,716 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:06,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:06,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 11:40:06,917 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:06,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:06,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2127114557, now seen corresponding path program 1 times [2024-11-09 11:40:06,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:06,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38918312] [2024-11-09 11:40:06,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:06,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:06,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [687156713] [2024-11-09 11:40:06,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:06,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:06,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:06,931 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:06,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:40:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:06,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:40:06,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 11:40:07,342 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:07,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:07,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38918312] [2024-11-09 11:40:07,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:07,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687156713] [2024-11-09 11:40:07,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687156713] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:07,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:07,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:40:07,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654961777] [2024-11-09 11:40:07,633 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:07,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:40:07,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:07,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:40:07,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:40:07,634 INFO L87 Difference]: Start difference. First operand 163 states and 177 transitions. Second operand has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:08,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:08,189 INFO L93 Difference]: Finished difference Result 171 states and 186 transitions. [2024-11-09 11:40:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:40:08,189 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2024-11-09 11:40:08,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:08,190 INFO L225 Difference]: With dead ends: 171 [2024-11-09 11:40:08,190 INFO L226 Difference]: Without dead ends: 170 [2024-11-09 11:40:08,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:40:08,191 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 196 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:08,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 200 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:40:08,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-09 11:40:08,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 162. [2024-11-09 11:40:08,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 124 states have (on average 1.1935483870967742) internal successors, (148), 145 states have internal predecessors, (148), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:08,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 176 transitions. [2024-11-09 11:40:08,205 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 176 transitions. Word has length 70 [2024-11-09 11:40:08,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:08,205 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 176 transitions. [2024-11-09 11:40:08,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:08,205 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2024-11-09 11:40:08,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 11:40:08,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:08,206 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:08,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:08,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:08,406 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:08,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:08,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1516041692, now seen corresponding path program 1 times [2024-11-09 11:40:08,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:08,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541669390] [2024-11-09 11:40:08,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:08,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:08,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976585360] [2024-11-09 11:40:08,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:08,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:08,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:08,433 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:08,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:40:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:08,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:40:08,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:08,804 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 11:40:08,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:10,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:10,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541669390] [2024-11-09 11:40:10,172 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:10,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976585360] [2024-11-09 11:40:10,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976585360] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:10,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:10,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:40:10,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703091051] [2024-11-09 11:40:10,173 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:10,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:40:10,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:10,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:40:10,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:40:10,175 INFO L87 Difference]: Start difference. First operand 162 states and 176 transitions. Second operand has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:10,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:10,765 INFO L93 Difference]: Finished difference Result 172 states and 188 transitions. [2024-11-09 11:40:10,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:40:10,765 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-11-09 11:40:10,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:10,766 INFO L225 Difference]: With dead ends: 172 [2024-11-09 11:40:10,766 INFO L226 Difference]: Without dead ends: 171 [2024-11-09 11:40:10,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:40:10,767 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 159 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:10,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 348 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:10,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-09 11:40:10,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 161. [2024-11-09 11:40:10,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 124 states have (on average 1.185483870967742) internal successors, (147), 144 states have internal predecessors, (147), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 175 transitions. [2024-11-09 11:40:10,780 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 175 transitions. Word has length 71 [2024-11-09 11:40:10,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:10,781 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 175 transitions. [2024-11-09 11:40:10,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:10,781 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 175 transitions. [2024-11-09 11:40:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:40:10,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:10,782 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:10,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-09 11:40:10,985 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,SelfDestructingSolverStorable28 [2024-11-09 11:40:10,986 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:10,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:10,986 INFO L85 PathProgramCache]: Analyzing trace with hash 247347941, now seen corresponding path program 1 times [2024-11-09 11:40:10,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:10,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095370462] [2024-11-09 11:40:10,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:10,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:11,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [344581187] [2024-11-09 11:40:11,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:11,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:11,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:11,003 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:11,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:40:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:40:11,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 11:40:11,404 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:11,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:11,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095370462] [2024-11-09 11:40:11,690 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:11,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344581187] [2024-11-09 11:40:11,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344581187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:11,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:11,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:40:11,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304977317] [2024-11-09 11:40:11,690 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:11,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:40:11,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:11,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:40:11,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:40:11,691 INFO L87 Difference]: Start difference. First operand 161 states and 175 transitions. Second operand has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:12,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:12,246 INFO L93 Difference]: Finished difference Result 171 states and 187 transitions. [2024-11-09 11:40:12,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:40:12,247 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2024-11-09 11:40:12,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:12,247 INFO L225 Difference]: With dead ends: 171 [2024-11-09 11:40:12,247 INFO L226 Difference]: Without dead ends: 170 [2024-11-09 11:40:12,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:40:12,248 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 132 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:12,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 292 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:40:12,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-09 11:40:12,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 160. [2024-11-09 11:40:12,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 124 states have (on average 1.1774193548387097) internal successors, (146), 143 states have internal predecessors, (146), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:12,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 174 transitions. [2024-11-09 11:40:12,262 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 174 transitions. Word has length 72 [2024-11-09 11:40:12,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:12,262 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 174 transitions. [2024-11-09 11:40:12,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:12,263 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 174 transitions. [2024-11-09 11:40:12,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 11:40:12,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:12,264 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:12,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-09 11:40:12,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:12,465 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:12,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:12,465 INFO L85 PathProgramCache]: Analyzing trace with hash -922148282, now seen corresponding path program 1 times [2024-11-09 11:40:12,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:12,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238937930] [2024-11-09 11:40:12,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:12,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:12,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [828318848] [2024-11-09 11:40:12,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:12,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:12,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:12,480 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:12,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:40:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:12,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:40:12,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 11:40:12,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:14,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:14,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238937930] [2024-11-09 11:40:14,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:14,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828318848] [2024-11-09 11:40:14,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828318848] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:14,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:14,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:40:14,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092335416] [2024-11-09 11:40:14,035 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:14,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:40:14,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:14,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:40:14,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:40:14,036 INFO L87 Difference]: Start difference. First operand 160 states and 174 transitions. Second operand has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:14,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:14,525 INFO L93 Difference]: Finished difference Result 170 states and 186 transitions. [2024-11-09 11:40:14,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:40:14,525 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 73 [2024-11-09 11:40:14,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:14,526 INFO L225 Difference]: With dead ends: 170 [2024-11-09 11:40:14,526 INFO L226 Difference]: Without dead ends: 169 [2024-11-09 11:40:14,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:40:14,527 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 171 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:14,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 311 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:40:14,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-09 11:40:14,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 159. [2024-11-09 11:40:14,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 124 states have (on average 1.1693548387096775) internal successors, (145), 142 states have internal predecessors, (145), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:14,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 173 transitions. [2024-11-09 11:40:14,541 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 173 transitions. Word has length 73 [2024-11-09 11:40:14,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:14,542 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 173 transitions. [2024-11-09 11:40:14,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:14,542 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 173 transitions. [2024-11-09 11:40:14,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 11:40:14,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:14,543 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:14,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:14,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:14,748 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:14,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:14,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1478174471, now seen corresponding path program 1 times [2024-11-09 11:40:14,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:14,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814698055] [2024-11-09 11:40:14,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:14,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:14,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [33913723] [2024-11-09 11:40:14,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:14,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:14,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:14,761 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:14,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:40:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:14,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 11:40:14,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:15,109 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:15,109 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:15,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:15,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814698055] [2024-11-09 11:40:15,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:15,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33913723] [2024-11-09 11:40:15,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33913723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:15,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:15,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:40:15,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23480811] [2024-11-09 11:40:15,353 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:15,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:40:15,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:15,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:40:15,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:40:15,354 INFO L87 Difference]: Start difference. First operand 159 states and 173 transitions. Second operand has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-09 11:40:16,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:16,067 INFO L93 Difference]: Finished difference Result 172 states and 187 transitions. [2024-11-09 11:40:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:40:16,067 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 74 [2024-11-09 11:40:16,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:16,068 INFO L225 Difference]: With dead ends: 172 [2024-11-09 11:40:16,068 INFO L226 Difference]: Without dead ends: 170 [2024-11-09 11:40:16,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:40:16,069 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 132 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 773 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:16,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 382 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 773 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:16,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-09 11:40:16,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 158. [2024-11-09 11:40:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 124 states have (on average 1.153225806451613) internal successors, (143), 141 states have internal predecessors, (143), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 171 transitions. [2024-11-09 11:40:16,082 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 171 transitions. Word has length 74 [2024-11-09 11:40:16,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:16,083 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 171 transitions. [2024-11-09 11:40:16,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-09 11:40:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2024-11-09 11:40:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 11:40:16,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:16,084 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:16,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:16,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:16,288 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:16,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:16,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1421231512, now seen corresponding path program 1 times [2024-11-09 11:40:16,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:16,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716247431] [2024-11-09 11:40:16,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:16,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:16,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2141503222] [2024-11-09 11:40:16,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:16,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:16,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:16,303 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:16,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:40:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:16,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:40:16,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 11:40:16,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:17,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:17,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716247431] [2024-11-09 11:40:17,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:17,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141503222] [2024-11-09 11:40:17,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141503222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:17,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:17,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:40:17,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447050703] [2024-11-09 11:40:17,416 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:17,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:40:17,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:17,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:40:17,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:40:17,417 INFO L87 Difference]: Start difference. First operand 158 states and 171 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:17,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:17,841 INFO L93 Difference]: Finished difference Result 168 states and 183 transitions. [2024-11-09 11:40:17,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:40:17,842 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 75 [2024-11-09 11:40:17,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:17,842 INFO L225 Difference]: With dead ends: 168 [2024-11-09 11:40:17,842 INFO L226 Difference]: Without dead ends: 167 [2024-11-09 11:40:17,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:40:17,843 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 140 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:17,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 346 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:17,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-09 11:40:17,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 157. [2024-11-09 11:40:17,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 124 states have (on average 1.1451612903225807) internal successors, (142), 140 states have internal predecessors, (142), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 170 transitions. [2024-11-09 11:40:17,856 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 170 transitions. Word has length 75 [2024-11-09 11:40:17,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:17,856 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 170 transitions. [2024-11-09 11:40:17,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:17,856 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2024-11-09 11:40:17,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 11:40:17,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:17,857 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:17,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-09 11:40:18,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:18,058 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:18,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:18,058 INFO L85 PathProgramCache]: Analyzing trace with hash -986272137, now seen corresponding path program 1 times [2024-11-09 11:40:18,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:18,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798953385] [2024-11-09 11:40:18,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:18,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 11:40:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,187 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:18,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:18,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798953385] [2024-11-09 11:40:18,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798953385] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:18,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677929432] [2024-11-09 11:40:18,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:18,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:18,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:18,190 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:18,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:40:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:18,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:40:18,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:18,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:18,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677929432] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:18,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:18,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2024-11-09 11:40:18,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420311456] [2024-11-09 11:40:18,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:18,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:40:18,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:18,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:40:18,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:40:18,943 INFO L87 Difference]: Start difference. First operand 157 states and 170 transitions. Second operand has 12 states, 11 states have (on average 13.181818181818182) internal successors, (145), 12 states have internal predecessors, (145), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 9 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-09 11:40:20,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:20,093 INFO L93 Difference]: Finished difference Result 169 states and 184 transitions. [2024-11-09 11:40:20,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:40:20,093 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.181818181818182) internal successors, (145), 12 states have internal predecessors, (145), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 9 states have call predecessors, (18), 8 states have call successors, (18) Word has length 76 [2024-11-09 11:40:20,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:20,095 INFO L225 Difference]: With dead ends: 169 [2024-11-09 11:40:20,095 INFO L226 Difference]: Without dead ends: 168 [2024-11-09 11:40:20,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:40:20,095 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 273 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:20,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 189 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:40:20,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-09 11:40:20,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 156. [2024-11-09 11:40:20,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 124 states have (on average 1.1370967741935485) internal successors, (141), 139 states have internal predecessors, (141), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:20,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 169 transitions. [2024-11-09 11:40:20,110 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 169 transitions. Word has length 76 [2024-11-09 11:40:20,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:20,111 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 169 transitions. [2024-11-09 11:40:20,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.181818181818182) internal successors, (145), 12 states have internal predecessors, (145), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 9 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-09 11:40:20,111 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 169 transitions. [2024-11-09 11:40:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 11:40:20,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:20,112 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:20,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-09 11:40:20,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-09 11:40:20,317 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:20,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:20,317 INFO L85 PathProgramCache]: Analyzing trace with hash -509665028, now seen corresponding path program 1 times [2024-11-09 11:40:20,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:20,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65535672] [2024-11-09 11:40:20,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:20,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:20,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:20,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:20,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:20,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:20,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:20,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 11:40:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:20,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:20,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65535672] [2024-11-09 11:40:20,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65535672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:20,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:20,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:40:20,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731228158] [2024-11-09 11:40:20,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:20,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:40:20,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:20,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:40:20,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:40:20,407 INFO L87 Difference]: Start difference. First operand 156 states and 169 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 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) [2024-11-09 11:40:21,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:21,710 INFO L93 Difference]: Finished difference Result 165 states and 178 transitions. [2024-11-09 11:40:21,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:40:21,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 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 77 [2024-11-09 11:40:21,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:21,712 INFO L225 Difference]: With dead ends: 165 [2024-11-09 11:40:21,712 INFO L226 Difference]: Without dead ends: 164 [2024-11-09 11:40:21,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:40:21,713 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 91 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:21,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 144 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 11:40:21,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-09 11:40:21,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 156. [2024-11-09 11:40:21,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 124 states have (on average 1.1290322580645162) internal successors, (140), 139 states have internal predecessors, (140), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:21,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 168 transitions. [2024-11-09 11:40:21,728 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 168 transitions. Word has length 77 [2024-11-09 11:40:21,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:21,729 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 168 transitions. [2024-11-09 11:40:21,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 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) [2024-11-09 11:40:21,729 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 168 transitions. [2024-11-09 11:40:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 11:40:21,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:21,730 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:21,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 11:40:21,730 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:21,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:21,731 INFO L85 PathProgramCache]: Analyzing trace with hash -3878262, now seen corresponding path program 1 times [2024-11-09 11:40:21,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:21,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049400018] [2024-11-09 11:40:21,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:21,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:21,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:21,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:21,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:21,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:21,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:21,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 11:40:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 11:40:21,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:21,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049400018] [2024-11-09 11:40:21,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049400018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:21,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:21,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:40:21,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835353774] [2024-11-09 11:40:21,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:21,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:40:21,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:21,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:40:21,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:40:21,842 INFO L87 Difference]: Start difference. First operand 156 states and 168 transitions. Second operand has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:40:22,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:22,383 INFO L93 Difference]: Finished difference Result 158 states and 171 transitions. [2024-11-09 11:40:22,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:40:22,383 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 77 [2024-11-09 11:40:22,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:22,384 INFO L225 Difference]: With dead ends: 158 [2024-11-09 11:40:22,384 INFO L226 Difference]: Without dead ends: 157 [2024-11-09 11:40:22,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:22,385 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 144 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:22,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 252 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:40:22,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-09 11:40:22,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2024-11-09 11:40:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 124 states have (on average 1.1209677419354838) internal successors, (139), 138 states have internal predecessors, (139), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:22,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 167 transitions. [2024-11-09 11:40:22,398 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 167 transitions. Word has length 77 [2024-11-09 11:40:22,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:22,399 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 167 transitions. [2024-11-09 11:40:22,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:40:22,399 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 167 transitions. [2024-11-09 11:40:22,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 11:40:22,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:22,400 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:22,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 11:40:22,400 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:22,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:22,401 INFO L85 PathProgramCache]: Analyzing trace with hash -457786750, now seen corresponding path program 1 times [2024-11-09 11:40:22,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:22,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277661970] [2024-11-09 11:40:22,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:22,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:22,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [384968332] [2024-11-09 11:40:22,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:22,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:22,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:22,414 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:22,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:40:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:22,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:22,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:22,662 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 11:40:22,662 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:24,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:24,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277661970] [2024-11-09 11:40:24,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:24,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384968332] [2024-11-09 11:40:24,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384968332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:24,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:24,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-09 11:40:24,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73231632] [2024-11-09 11:40:24,081 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:24,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:24,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:24,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:24,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2024-11-09 11:40:24,082 INFO L87 Difference]: Start difference. First operand 155 states and 167 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:24,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:24,160 INFO L93 Difference]: Finished difference Result 163 states and 176 transitions. [2024-11-09 11:40:24,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:24,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 85 [2024-11-09 11:40:24,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:24,161 INFO L225 Difference]: With dead ends: 163 [2024-11-09 11:40:24,161 INFO L226 Difference]: Without dead ends: 162 [2024-11-09 11:40:24,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2024-11-09 11:40:24,162 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 53 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:24,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 91 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:40:24,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-09 11:40:24,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 154. [2024-11-09 11:40:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 124 states have (on average 1.1129032258064515) internal successors, (138), 137 states have internal predecessors, (138), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:24,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 166 transitions. [2024-11-09 11:40:24,174 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 166 transitions. Word has length 85 [2024-11-09 11:40:24,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:24,174 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 166 transitions. [2024-11-09 11:40:24,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:24,175 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 166 transitions. [2024-11-09 11:40:24,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 11:40:24,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:24,175 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:24,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:24,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-09 11:40:24,376 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:24,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:24,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1306487206, now seen corresponding path program 1 times [2024-11-09 11:40:24,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:24,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245844333] [2024-11-09 11:40:24,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:24,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:24,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [271031278] [2024-11-09 11:40:24,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:24,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:24,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:24,389 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:24,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:40:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:24,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:24,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:24,590 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 11:40:24,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:25,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:25,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245844333] [2024-11-09 11:40:25,127 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:25,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271031278] [2024-11-09 11:40:25,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271031278] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:25,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:25,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-09 11:40:25,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015382213] [2024-11-09 11:40:25,127 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:25,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:25,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:25,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:25,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:25,128 INFO L87 Difference]: Start difference. First operand 154 states and 166 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:25,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:25,210 INFO L93 Difference]: Finished difference Result 162 states and 175 transitions. [2024-11-09 11:40:25,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:25,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 86 [2024-11-09 11:40:25,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:25,211 INFO L225 Difference]: With dead ends: 162 [2024-11-09 11:40:25,211 INFO L226 Difference]: Without dead ends: 161 [2024-11-09 11:40:25,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:25,212 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 52 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:25,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 112 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:40:25,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-09 11:40:25,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2024-11-09 11:40:25,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 124 states have (on average 1.1048387096774193) internal successors, (137), 136 states have internal predecessors, (137), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:25,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 165 transitions. [2024-11-09 11:40:25,227 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 165 transitions. Word has length 86 [2024-11-09 11:40:25,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:25,227 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 165 transitions. [2024-11-09 11:40:25,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 165 transitions. [2024-11-09 11:40:25,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 11:40:25,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:25,229 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:25,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:25,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-09 11:40:25,429 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:25,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:25,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1846397564, now seen corresponding path program 1 times [2024-11-09 11:40:25,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:25,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261779029] [2024-11-09 11:40:25,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:25,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:25,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490479104] [2024-11-09 11:40:25,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:25,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:25,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:25,444 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:25,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:40:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:25,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:25,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:25,563 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:40:25,564 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:25,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:25,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261779029] [2024-11-09 11:40:25,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:25,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490479104] [2024-11-09 11:40:25,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490479104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:25,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:25,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:25,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458066208] [2024-11-09 11:40:25,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:25,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:25,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:25,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:25,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:25,566 INFO L87 Difference]: Start difference. First operand 153 states and 165 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:25,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:25,926 INFO L93 Difference]: Finished difference Result 163 states and 174 transitions. [2024-11-09 11:40:25,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:25,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 87 [2024-11-09 11:40:25,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:25,927 INFO L225 Difference]: With dead ends: 163 [2024-11-09 11:40:25,927 INFO L226 Difference]: Without dead ends: 161 [2024-11-09 11:40:25,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:25,927 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 69 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:25,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 113 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:25,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-09 11:40:25,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 151. [2024-11-09 11:40:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 124 states have (on average 1.0887096774193548) internal successors, (135), 134 states have internal predecessors, (135), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:25,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 163 transitions. [2024-11-09 11:40:25,940 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 163 transitions. Word has length 87 [2024-11-09 11:40:25,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:25,940 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 163 transitions. [2024-11-09 11:40:25,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:25,940 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 163 transitions. [2024-11-09 11:40:25,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 11:40:25,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:25,941 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:25,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:26,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-09 11:40:26,141 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:26,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:26,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1403749476, now seen corresponding path program 1 times [2024-11-09 11:40:26,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:26,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679200925] [2024-11-09 11:40:26,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:26,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:26,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1259560183] [2024-11-09 11:40:26,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:26,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:26,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:26,158 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:26,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:40:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:40:26,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:40:26,409 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:26,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:26,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679200925] [2024-11-09 11:40:26,410 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:26,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259560183] [2024-11-09 11:40:26,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259560183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:26,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:26,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:26,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600099540] [2024-11-09 11:40:26,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:26,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:26,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:26,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:26,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:26,411 INFO L87 Difference]: Start difference. First operand 151 states and 163 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:26,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:26,515 INFO L93 Difference]: Finished difference Result 159 states and 172 transitions. [2024-11-09 11:40:26,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:26,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 88 [2024-11-09 11:40:26,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:26,516 INFO L225 Difference]: With dead ends: 159 [2024-11-09 11:40:26,516 INFO L226 Difference]: Without dead ends: 157 [2024-11-09 11:40:26,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:26,517 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 17 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:26,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 108 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:40:26,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-09 11:40:26,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 149. [2024-11-09 11:40:26,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 124 states have (on average 1.0725806451612903) internal successors, (133), 132 states have internal predecessors, (133), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 161 transitions. [2024-11-09 11:40:26,531 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 161 transitions. Word has length 88 [2024-11-09 11:40:26,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:26,531 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 161 transitions. [2024-11-09 11:40:26,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:40:26,531 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 161 transitions. [2024-11-09 11:40:26,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 11:40:26,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:26,532 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:26,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:26,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-09 11:40:26,732 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:26,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:26,733 INFO L85 PathProgramCache]: Analyzing trace with hash 77869500, now seen corresponding path program 1 times [2024-11-09 11:40:26,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:26,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780237961] [2024-11-09 11:40:26,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:26,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:40:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:40:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 11:40:26,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:26,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780237961] [2024-11-09 11:40:26,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780237961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:26,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326668452] [2024-11-09 11:40:26,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:26,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:26,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:26,833 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:26,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:40:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:26,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:27,143 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:27,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326668452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:27,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:27,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-09 11:40:27,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393972450] [2024-11-09 11:40:27,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:27,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:27,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:27,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:27,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:27,145 INFO L87 Difference]: Start difference. First operand 149 states and 161 transitions. Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:40:27,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:27,303 INFO L93 Difference]: Finished difference Result 152 states and 164 transitions. [2024-11-09 11:40:27,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:27,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 91 [2024-11-09 11:40:27,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:27,305 INFO L225 Difference]: With dead ends: 152 [2024-11-09 11:40:27,305 INFO L226 Difference]: Without dead ends: 151 [2024-11-09 11:40:27,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:27,305 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 12 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:27,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 81 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:40:27,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-09 11:40:27,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 150. [2024-11-09 11:40:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 125 states have (on average 1.072) internal successors, (134), 133 states have internal predecessors, (134), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:40:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 162 transitions. [2024-11-09 11:40:27,321 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 162 transitions. Word has length 91 [2024-11-09 11:40:27,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:27,321 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 162 transitions. [2024-11-09 11:40:27,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:40:27,321 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 162 transitions. [2024-11-09 11:40:27,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 11:40:27,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:27,322 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:27,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:27,526 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,SelfDestructingSolverStorable40 [2024-11-09 11:40:27,526 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:27,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:27,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1881012615, now seen corresponding path program 1 times [2024-11-09 11:40:27,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:27,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870597308] [2024-11-09 11:40:27,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:27,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:27,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:27,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:27,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:27,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:27,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:27,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:27,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-09 11:40:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:27,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:40:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-09 11:40:27,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:27,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870597308] [2024-11-09 11:40:27,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870597308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:27,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911264214] [2024-11-09 11:40:27,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:27,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:27,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:27,682 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:27,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:40:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:27,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:27,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:27,983 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:27,983 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:27,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911264214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:27,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:27,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-09 11:40:27,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606757194] [2024-11-09 11:40:27,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:27,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:27,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:27,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:27,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:27,985 INFO L87 Difference]: Start difference. First operand 150 states and 162 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:40:28,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:28,062 INFO L93 Difference]: Finished difference Result 152 states and 163 transitions. [2024-11-09 11:40:28,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:28,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 92 [2024-11-09 11:40:28,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:28,063 INFO L225 Difference]: With dead ends: 152 [2024-11-09 11:40:28,063 INFO L226 Difference]: Without dead ends: 91 [2024-11-09 11:40:28,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:28,064 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 11 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:28,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 81 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:40:28,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-09 11:40:28,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-09 11:40:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 72 states have (on average 1.0972222222222223) internal successors, (79), 79 states have internal predecessors, (79), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:40:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 95 transitions. [2024-11-09 11:40:28,074 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 95 transitions. Word has length 92 [2024-11-09 11:40:28,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:28,074 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 95 transitions. [2024-11-09 11:40:28,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:40:28,074 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2024-11-09 11:40:28,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 11:40:28,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:28,075 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:28,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:28,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:28,276 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:28,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:28,276 INFO L85 PathProgramCache]: Analyzing trace with hash 2006204271, now seen corresponding path program 1 times [2024-11-09 11:40:28,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:28,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502700497] [2024-11-09 11:40:28,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:28,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:28,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968741945] [2024-11-09 11:40:28,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:28,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:28,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:28,296 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:28,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:40:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:28,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:40:28,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 11:40:28,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:29,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:29,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502700497] [2024-11-09 11:40:29,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:29,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968741945] [2024-11-09 11:40:29,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968741945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:29,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:29,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:40:29,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231738367] [2024-11-09 11:40:29,008 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:29,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:40:29,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:29,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:40:29,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:40:29,009 INFO L87 Difference]: Start difference. First operand 91 states and 95 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:29,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:29,184 INFO L93 Difference]: Finished difference Result 91 states and 95 transitions. [2024-11-09 11:40:29,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:40:29,184 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 96 [2024-11-09 11:40:29,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:29,185 INFO L225 Difference]: With dead ends: 91 [2024-11-09 11:40:29,185 INFO L226 Difference]: Without dead ends: 90 [2024-11-09 11:40:29,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:40:29,185 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 35 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:29,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 126 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:40:29,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-09 11:40:29,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-09 11:40:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 72 states have (on average 1.0833333333333333) internal successors, (78), 78 states have internal predecessors, (78), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:40:29,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 94 transitions. [2024-11-09 11:40:29,194 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 94 transitions. Word has length 96 [2024-11-09 11:40:29,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:29,194 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 94 transitions. [2024-11-09 11:40:29,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:29,194 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2024-11-09 11:40:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 11:40:29,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:29,195 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:29,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:29,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:29,396 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:29,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:29,396 INFO L85 PathProgramCache]: Analyzing trace with hash 2062790426, now seen corresponding path program 1 times [2024-11-09 11:40:29,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:29,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627258345] [2024-11-09 11:40:29,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:29,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:29,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [149838851] [2024-11-09 11:40:29,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:29,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:29,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:29,411 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:29,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-09 11:40:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:29,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:40:29,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 11:40:29,889 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:30,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:30,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627258345] [2024-11-09 11:40:30,319 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:30,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149838851] [2024-11-09 11:40:30,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149838851] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:30,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:30,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:40:30,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430604641] [2024-11-09 11:40:30,319 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:30,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:40:30,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:30,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:40:30,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:40:30,320 INFO L87 Difference]: Start difference. First operand 90 states and 94 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:30,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:30,518 INFO L93 Difference]: Finished difference Result 90 states and 94 transitions. [2024-11-09 11:40:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:40:30,518 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 97 [2024-11-09 11:40:30,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:30,519 INFO L225 Difference]: With dead ends: 90 [2024-11-09 11:40:30,519 INFO L226 Difference]: Without dead ends: 89 [2024-11-09 11:40:30,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:40:30,520 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 59 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:30,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 140 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:30,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-09 11:40:30,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-09 11:40:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 72 states have (on average 1.0694444444444444) internal successors, (77), 77 states have internal predecessors, (77), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:40:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 93 transitions. [2024-11-09 11:40:30,528 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 93 transitions. Word has length 97 [2024-11-09 11:40:30,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:30,529 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 93 transitions. [2024-11-09 11:40:30,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2024-11-09 11:40:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 11:40:30,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:30,530 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:30,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-09 11:40:30,730 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,SelfDestructingSolverStorable43 [2024-11-09 11:40:30,730 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:30,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:30,731 INFO L85 PathProgramCache]: Analyzing trace with hash -478006063, now seen corresponding path program 1 times [2024-11-09 11:40:30,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:30,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316346843] [2024-11-09 11:40:30,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:30,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [865280112] [2024-11-09 11:40:30,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:30,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:30,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:30,744 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:30,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 11:40:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:30,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:40:30,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:31,366 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 11:40:31,366 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:32,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:32,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316346843] [2024-11-09 11:40:32,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:32,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865280112] [2024-11-09 11:40:32,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865280112] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:32,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:32,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:40:32,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585985471] [2024-11-09 11:40:32,279 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:32,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:40:32,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:32,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:40:32,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:40:32,280 INFO L87 Difference]: Start difference. First operand 89 states and 93 transitions. Second operand has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:32,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:32,521 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2024-11-09 11:40:32,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:40:32,521 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 98 [2024-11-09 11:40:32,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:32,522 INFO L225 Difference]: With dead ends: 89 [2024-11-09 11:40:32,522 INFO L226 Difference]: Without dead ends: 88 [2024-11-09 11:40:32,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:40:32,523 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 25 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:32,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 134 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:32,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-09 11:40:32,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-09 11:40:32,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 76 states have internal predecessors, (76), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:40:32,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2024-11-09 11:40:32,532 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 98 [2024-11-09 11:40:32,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:32,532 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2024-11-09 11:40:32,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.444444444444445) internal successors, (67), 10 states have internal predecessors, (67), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:32,532 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2024-11-09 11:40:32,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 11:40:32,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:32,533 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:32,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-09 11:40:32,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:32,737 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:32,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:32,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1933285892, now seen corresponding path program 1 times [2024-11-09 11:40:32,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:32,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317487446] [2024-11-09 11:40:32,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:32,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:32,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [824628177] [2024-11-09 11:40:32,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:32,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:32,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:32,753 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:32,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-09 11:40:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:32,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 11:40:32,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:33,438 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 11:40:33,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:34,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:34,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317487446] [2024-11-09 11:40:34,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:34,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824628177] [2024-11-09 11:40:34,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824628177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:34,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:34,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:40:34,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964918212] [2024-11-09 11:40:34,501 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:34,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:40:34,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:34,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:40:34,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:40:34,502 INFO L87 Difference]: Start difference. First operand 88 states and 92 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:34,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:34,719 INFO L93 Difference]: Finished difference Result 88 states and 92 transitions. [2024-11-09 11:40:34,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:40:34,720 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 99 [2024-11-09 11:40:34,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:34,720 INFO L225 Difference]: With dead ends: 88 [2024-11-09 11:40:34,720 INFO L226 Difference]: Without dead ends: 87 [2024-11-09 11:40:34,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:40:34,721 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 19 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:34,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 140 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:34,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-09 11:40:34,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-09 11:40:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 72 states have (on average 1.0416666666666667) internal successors, (75), 75 states have internal predecessors, (75), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:40:34,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2024-11-09 11:40:34,727 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 99 [2024-11-09 11:40:34,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:34,728 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2024-11-09 11:40:34,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2024-11-09 11:40:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 11:40:34,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:34,728 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:34,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:34,929 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,SelfDestructingSolverStorable45 [2024-11-09 11:40:34,929 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:34,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:34,929 INFO L85 PathProgramCache]: Analyzing trace with hash 197679667, now seen corresponding path program 1 times [2024-11-09 11:40:34,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:34,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573196128] [2024-11-09 11:40:34,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:34,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:34,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2009598728] [2024-11-09 11:40:34,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:34,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:34,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:34,941 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:34,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-09 11:40:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:34,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 11:40:34,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:35,530 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 15 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 11:40:35,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:35,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:35,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573196128] [2024-11-09 11:40:35,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:35,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009598728] [2024-11-09 11:40:35,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009598728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:35,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:35,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:40:35,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503986547] [2024-11-09 11:40:35,713 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:35,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:40:35,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:35,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:40:35,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:40:35,714 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:35,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:35,951 INFO L93 Difference]: Finished difference Result 91 states and 95 transitions. [2024-11-09 11:40:35,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:40:35,951 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 100 [2024-11-09 11:40:35,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:35,952 INFO L225 Difference]: With dead ends: 91 [2024-11-09 11:40:35,952 INFO L226 Difference]: Without dead ends: 90 [2024-11-09 11:40:35,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:40:35,952 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 25 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:35,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 150 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:35,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-09 11:40:35,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2024-11-09 11:40:35,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 72 states have (on average 1.0277777777777777) internal successors, (74), 74 states have internal predecessors, (74), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:40:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 90 transitions. [2024-11-09 11:40:35,962 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 90 transitions. Word has length 100 [2024-11-09 11:40:35,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:35,962 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 90 transitions. [2024-11-09 11:40:35,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2024-11-09 11:40:35,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 11:40:35,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:35,963 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:35,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:36,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:36,164 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:36,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:36,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1833102558, now seen corresponding path program 1 times [2024-11-09 11:40:36,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:36,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342542468] [2024-11-09 11:40:36,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:36,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:36,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1990653175] [2024-11-09 11:40:36,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:36,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:36,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:36,179 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:36,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-09 11:40:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:36,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 11:40:36,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 11:40:36,595 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:36,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:36,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342542468] [2024-11-09 11:40:36,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:36,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990653175] [2024-11-09 11:40:36,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990653175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:36,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:36,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:40:36,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348496061] [2024-11-09 11:40:36,876 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:36,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:40:36,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:36,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:40:36,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:40:36,877 INFO L87 Difference]: Start difference. First operand 86 states and 90 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:37,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:37,236 INFO L93 Difference]: Finished difference Result 86 states and 90 transitions. [2024-11-09 11:40:37,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:40:37,236 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 101 [2024-11-09 11:40:37,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:37,237 INFO L225 Difference]: With dead ends: 86 [2024-11-09 11:40:37,237 INFO L226 Difference]: Without dead ends: 83 [2024-11-09 11:40:37,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:40:37,238 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 19 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:37,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 193 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:37,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-09 11:40:37,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-09 11:40:37,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 71 states have (on average 1.0) internal successors, (71), 71 states have internal predecessors, (71), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:40:37,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2024-11-09 11:40:37,246 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 101 [2024-11-09 11:40:37,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:37,246 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2024-11-09 11:40:37,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:37,246 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2024-11-09 11:40:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 11:40:37,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:37,247 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:37,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:37,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-09 11:40:37,447 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:37,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:37,448 INFO L85 PathProgramCache]: Analyzing trace with hash 991604629, now seen corresponding path program 1 times [2024-11-09 11:40:37,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:37,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789891858] [2024-11-09 11:40:37,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:37,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:37,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [511132969] [2024-11-09 11:40:37,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:37,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:37,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:37,461 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) [2024-11-09 11:40:37,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-09 11:40:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:37,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 11:40:37,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:38,043 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 11:40:38,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:38,656 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 11:40:38,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:38,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789891858] [2024-11-09 11:40:38,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:38,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511132969] [2024-11-09 11:40:38,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511132969] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:38,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:40:38,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2024-11-09 11:40:38,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933216216] [2024-11-09 11:40:38,657 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:38,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:40:38,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:38,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:40:38,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:40:38,658 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 7 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 11:40:38,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:38,921 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2024-11-09 11:40:38,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:40:38,922 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 7 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 102 [2024-11-09 11:40:38,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:38,922 INFO L225 Difference]: With dead ends: 85 [2024-11-09 11:40:38,922 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 11:40:38,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:40:38,923 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 74 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:38,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 169 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:38,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 11:40:38,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 11:40:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:40:38,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 11:40:38,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2024-11-09 11:40:38,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:38,924 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 11:40:38,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 7 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-09 11:40:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 11:40:38,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 11:40:38,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 58 remaining) [2024-11-09 11:40:38,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 58 remaining) [2024-11-09 11:40:38,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 58 remaining) [2024-11-09 11:40:38,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 58 remaining) [2024-11-09 11:40:38,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 58 remaining) [2024-11-09 11:40:38,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 58 remaining) [2024-11-09 11:40:38,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 58 remaining) [2024-11-09 11:40:38,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 58 remaining) [2024-11-09 11:40:38,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 58 remaining) [2024-11-09 11:40:38,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 58 remaining) [2024-11-09 11:40:38,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 58 remaining) [2024-11-09 11:40:38,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 58 remaining) [2024-11-09 11:40:38,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 58 remaining) [2024-11-09 11:40:38,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 58 remaining) [2024-11-09 11:40:38,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 58 remaining) [2024-11-09 11:40:38,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 58 remaining) [2024-11-09 11:40:38,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 58 remaining) [2024-11-09 11:40:38,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 58 remaining) [2024-11-09 11:40:38,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 58 remaining) [2024-11-09 11:40:38,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 58 remaining) [2024-11-09 11:40:38,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 58 remaining) [2024-11-09 11:40:38,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 58 remaining) [2024-11-09 11:40:38,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 58 remaining) [2024-11-09 11:40:38,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 58 remaining) [2024-11-09 11:40:38,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 58 remaining) [2024-11-09 11:40:38,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 58 remaining) [2024-11-09 11:40:38,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 58 remaining) [2024-11-09 11:40:38,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 58 remaining) [2024-11-09 11:40:38,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 58 remaining) [2024-11-09 11:40:38,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 58 remaining) [2024-11-09 11:40:38,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 58 remaining) [2024-11-09 11:40:38,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 58 remaining) [2024-11-09 11:40:38,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 58 remaining) [2024-11-09 11:40:38,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 58 remaining) [2024-11-09 11:40:38,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 58 remaining) [2024-11-09 11:40:38,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 58 remaining) [2024-11-09 11:40:38,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 58 remaining) [2024-11-09 11:40:38,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 58 remaining) [2024-11-09 11:40:38,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 58 remaining) [2024-11-09 11:40:38,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 58 remaining) [2024-11-09 11:40:38,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 58 remaining) [2024-11-09 11:40:38,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 58 remaining) [2024-11-09 11:40:38,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 58 remaining) [2024-11-09 11:40:38,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 58 remaining) [2024-11-09 11:40:38,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 58 remaining) [2024-11-09 11:40:38,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 58 remaining) [2024-11-09 11:40:38,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 58 remaining) [2024-11-09 11:40:38,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 58 remaining) [2024-11-09 11:40:38,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 58 remaining) [2024-11-09 11:40:38,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 58 remaining) [2024-11-09 11:40:38,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 58 remaining) [2024-11-09 11:40:38,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 58 remaining) [2024-11-09 11:40:38,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 58 remaining) [2024-11-09 11:40:38,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 58 remaining) [2024-11-09 11:40:38,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 58 remaining) [2024-11-09 11:40:38,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 58 remaining) [2024-11-09 11:40:38,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 58 remaining) [2024-11-09 11:40:38,934 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 58 remaining) [2024-11-09 11:40:38,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-09 11:40:39,135 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,SelfDestructingSolverStorable48 [2024-11-09 11:40:39,138 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:39,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 11:40:44,180 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 11:40:44,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:40:44 BoogieIcfgContainer [2024-11-09 11:40:44,210 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 11:40:44,210 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 11:40:44,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 11:40:44,211 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 11:40:44,211 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:39:44" (3/4) ... [2024-11-09 11:40:44,213 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 11:40:44,217 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 11:40:44,217 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 11:40:44,224 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-09 11:40:44,225 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 11:40:44,225 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 11:40:44,225 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 11:40:44,323 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 11:40:44,324 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 11:40:44,324 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 11:40:44,324 INFO L158 Benchmark]: Toolchain (without parser) took 61012.87ms. Allocated memory was 176.2MB in the beginning and 346.0MB in the end (delta: 169.9MB). Free memory was 116.2MB in the beginning and 292.5MB in the end (delta: -176.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:40:44,324 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:40:44,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.98ms. Allocated memory is still 176.2MB. Free memory was 116.2MB in the beginning and 103.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 11:40:44,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.41ms. Allocated memory is still 176.2MB. Free memory was 103.2MB in the beginning and 101.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:40:44,325 INFO L158 Benchmark]: Boogie Preprocessor took 42.98ms. Allocated memory is still 176.2MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:40:44,325 INFO L158 Benchmark]: RCFGBuilder took 929.80ms. Allocated memory is still 176.2MB. Free memory was 99.5MB in the beginning and 76.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 11:40:44,326 INFO L158 Benchmark]: TraceAbstraction took 59563.30ms. Allocated memory was 176.2MB in the beginning and 346.0MB in the end (delta: 169.9MB). Free memory was 75.6MB in the beginning and 298.7MB in the end (delta: -223.2MB). Peak memory consumption was 141.3MB. Max. memory is 16.1GB. [2024-11-09 11:40:44,326 INFO L158 Benchmark]: Witness Printer took 113.43ms. Allocated memory is still 346.0MB. Free memory was 298.7MB in the beginning and 292.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 11:40:44,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.98ms. Allocated memory is still 176.2MB. Free memory was 116.2MB in the beginning and 103.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.41ms. Allocated memory is still 176.2MB. Free memory was 103.2MB in the beginning and 101.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.98ms. Allocated memory is still 176.2MB. Free memory was 101.6MB in the beginning and 99.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 929.80ms. Allocated memory is still 176.2MB. Free memory was 99.5MB in the beginning and 76.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 59563.30ms. Allocated memory was 176.2MB in the beginning and 346.0MB in the end (delta: 169.9MB). Free memory was 75.6MB in the beginning and 298.7MB in the end (delta: -223.2MB). Peak memory consumption was 141.3MB. Max. memory is 16.1GB. * Witness Printer took 113.43ms. Allocated memory is still 346.0MB. Free memory was 298.7MB in the beginning and 292.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 146 locations, 58 error locations. Started 1 CEGAR loops. OverallTime: 54.4s, OverallIterations: 49, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 21.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6795 SdHoareTripleChecker+Valid, 19.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6619 mSDsluCounter, 10778 SdHoareTripleChecker+Invalid, 17.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6722 mSDsCounter, 461 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12698 IncrementalHoareTripleChecker+Invalid, 13159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 461 mSolverCounterUnsat, 4056 mSDtfsCounter, 12698 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3580 GetRequests, 3208 SyntacticMatches, 3 SemanticMatches, 369 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 923 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=507occurred in iteration=22, InterpolantAutomatonStates: 315, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 49 MinimizatonAttempts, 1565 StatesRemovedByMinimization, 38 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 21.5s InterpolantComputationTime, 5553 NumberOfCodeBlocks, 5553 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 4054 ConstructedInterpolants, 0 QuantifiedInterpolants, 25690 SizeOfPredicates, 63 NumberOfNonLiveVariables, 5039 ConjunctsInSsa, 357 ConjunctsInUnsatCore, 64 InterpolantComputations, 29 PerfectInterpolantSequences, 1714/1874 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 58 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((((((p == 1) && (x <= 2147483647)) && (b == y)) && (0 <= (x + 2147483648))) && (1 <= b)) && (r == 0)) && (q == 0)) && (counter == 0)) && (a == x)) && (y <= 2147483647)) && (s == 1)) || (((((((((((p == 1) && (1 <= y)) && (0 <= (x + 2147483648))) && (1 <= b)) && (((__int128) q + 1) == 0)) && (r == 0)) && (a == x)) && (counter == 1)) && (y <= 2147483647)) && (y == ((__int128) b + x))) && (s == 1))) || ((((((((((p == 1) && (((__int128) r + 1) == 0)) && (b == y)) && (x <= ((__int128) a + b))) && (((__int128) b + 1) <= x)) && (((__int128) a + b) <= 2147483647)) && (1 <= b)) && (q == 0)) && (counter == 1)) && (s == 1))) - ProcedureContractResult [Line: 7]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (counter == 0) Ensures: (((cond != 0) && (counter == 0)) && (counter == \old(counter))) - ProcedureContractResult [Line: 10]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (((cond != 0) || (counter < 1)) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-11-09 11:40:44,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE