./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f 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/egcd3-ll_unwindbound50.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 436f0a1b9da8affd8e76edc25dee0cffff5a08ff489ec96067821d6a4548518b --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 17:18:07,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 17:18:07,860 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 17:18:07,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 17:18:07,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 17:18:07,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 17:18:07,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 17:18:07,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 17:18:07,884 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 17:18:07,887 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 17:18:07,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 17:18:07,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 17:18:07,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 17:18:07,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 17:18:07,888 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 17:18:07,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 17:18:07,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 17:18:07,889 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 17:18:07,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 17:18:07,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 17:18:07,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 17:18:07,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 17:18:07,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 17:18:07,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 17:18:07,892 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 17:18:07,892 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 17:18:07,892 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 17:18:07,892 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 17:18:07,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 17:18:07,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 17:18:07,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 17:18:07,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 17:18:07,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 17:18:07,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 17:18:07,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:18:07,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 17:18:07,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 17:18:07,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 17:18:07,894 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 17:18:07,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 17:18:07,894 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 17:18:07,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 17:18:07,895 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 17:18:07,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 17:18:07,896 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 436f0a1b9da8affd8e76edc25dee0cffff5a08ff489ec96067821d6a4548518b [2024-11-12 17:18:08,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 17:18:08,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 17:18:08,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 17:18:08,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 17:18:08,089 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 17:18:08,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound50.c [2024-11-12 17:18:09,288 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 17:18:09,424 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 17:18:09,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound50.c [2024-11-12 17:18:09,430 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb86b6bf/1413740e9bc94f90b02abacfb60f655f/FLAGee7f147f3 [2024-11-12 17:18:09,441 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb86b6bf/1413740e9bc94f90b02abacfb60f655f [2024-11-12 17:18:09,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 17:18:09,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 17:18:09,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 17:18:09,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 17:18:09,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 17:18:09,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb638ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09, skipping insertion in model container [2024-11-12 17:18:09,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 17:18:09,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:18:09,648 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 17:18:09,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 17:18:09,678 INFO L204 MainTranslator]: Completed translation [2024-11-12 17:18:09,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09 WrapperNode [2024-11-12 17:18:09,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 17:18:09,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 17:18:09,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 17:18:09,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 17:18:09,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,709 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2024-11-12 17:18:09,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 17:18:09,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 17:18:09,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 17:18:09,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 17:18:09,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,720 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,735 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]. [2024-11-12 17:18:09,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 17:18:09,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 17:18:09,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 17:18:09,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 17:18:09,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09" (1/1) ... [2024-11-12 17:18:09,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 17:18:09,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:09,772 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) [2024-11-12 17:18:09,774 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 [2024-11-12 17:18:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 17:18:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 17:18:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 17:18:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 17:18:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 17:18:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 17:18:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 17:18:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 17:18:09,877 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 17:18:09,878 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 17:18:10,344 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-11-12 17:18:10,345 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 17:18:10,356 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 17:18:10,356 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-12 17:18:10,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:18:10 BoogieIcfgContainer [2024-11-12 17:18:10,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 17:18:10,358 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 17:18:10,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 17:18:10,361 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 17:18:10,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:18:09" (1/3) ... [2024-11-12 17:18:10,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6521931d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:18:10, skipping insertion in model container [2024-11-12 17:18:10,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:18:09" (2/3) ... [2024-11-12 17:18:10,362 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6521931d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:18:10, skipping insertion in model container [2024-11-12 17:18:10,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:18:10" (3/3) ... [2024-11-12 17:18:10,363 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd3-ll_unwindbound50.c [2024-11-12 17:18:10,376 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 17:18:10,376 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-12 17:18:10,433 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 17:18:10,438 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;@474d472e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 17:18:10,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-12 17:18:10,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 80 states have (on average 1.8375) internal successors, (147), 136 states have internal predecessors, (147), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-12 17:18:10,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-12 17:18:10,446 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:10,447 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:10,447 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:10,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:10,453 INFO L85 PathProgramCache]: Analyzing trace with hash -2142177312, now seen corresponding path program 1 times [2024-11-12 17:18:10,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:10,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384895382] [2024-11-12 17:18:10,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:10,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:10,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:10,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:10,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:10,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384895382] [2024-11-12 17:18:10,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384895382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:10,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:10,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:18:10,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599718279] [2024-11-12 17:18:10,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:10,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 17:18:10,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:10,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 17:18:10,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 17:18:10,578 INFO L87 Difference]: Start difference. First operand has 146 states, 80 states have (on average 1.8375) internal successors, (147), 136 states have internal predecessors, (147), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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) [2024-11-12 17:18:10,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:10,598 INFO L93 Difference]: Finished difference Result 288 states and 324 transitions. [2024-11-12 17:18:10,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 17:18:10,599 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 [2024-11-12 17:18:10,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:10,604 INFO L225 Difference]: With dead ends: 288 [2024-11-12 17:18:10,604 INFO L226 Difference]: Without dead ends: 139 [2024-11-12 17:18:10,607 INFO L434 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 [2024-11-12 17:18:10,611 INFO L435 NwaCegarLoop]: 155 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, 155 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 [2024-11-12 17:18:10,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:18:10,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-12 17:18:10,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-12 17:18:10,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 75 states have (on average 1.8133333333333332) internal successors, (136), 130 states have internal predecessors, (136), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:18:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 148 transitions. [2024-11-12 17:18:10,640 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 148 transitions. Word has length 15 [2024-11-12 17:18:10,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:10,640 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 148 transitions. [2024-11-12 17:18:10,641 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) [2024-11-12 17:18:10,641 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions. [2024-11-12 17:18:10,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-12 17:18:10,641 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:10,641 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:10,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 17:18:10,642 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:10,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:10,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1383858817, now seen corresponding path program 1 times [2024-11-12 17:18:10,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:10,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549109092] [2024-11-12 17:18:10,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:10,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:10,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:10,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:10,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:10,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:10,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549109092] [2024-11-12 17:18:10,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549109092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:10,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:10,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:18:10,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673023075] [2024-11-12 17:18:10,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:10,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:18:10,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:10,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:18:10,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:18:10,768 INFO L87 Difference]: Start difference. First operand 139 states and 148 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) [2024-11-12 17:18:10,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:10,832 INFO L93 Difference]: Finished difference Result 179 states and 189 transitions. [2024-11-12 17:18:10,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:18:10,833 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 [2024-11-12 17:18:10,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:10,834 INFO L225 Difference]: With dead ends: 179 [2024-11-12 17:18:10,834 INFO L226 Difference]: Without dead ends: 178 [2024-11-12 17:18:10,835 INFO L434 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 [2024-11-12 17:18:10,835 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 45 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:10,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 412 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:18:10,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-12 17:18:10,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 141. [2024-11-12 17:18:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 77 states have (on average 1.7922077922077921) internal successors, (138), 132 states have internal predecessors, (138), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:18:10,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2024-11-12 17:18:10,846 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 15 [2024-11-12 17:18:10,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:10,847 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2024-11-12 17:18:10,847 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) [2024-11-12 17:18:10,847 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2024-11-12 17:18:10,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-12 17:18:10,847 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:10,848 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:10,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 17:18:10,848 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:10,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:10,848 INFO L85 PathProgramCache]: Analyzing trace with hash 50049677, now seen corresponding path program 1 times [2024-11-12 17:18:10,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:10,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025294653] [2024-11-12 17:18:10,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:10,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:10,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:10,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:10,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:10,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025294653] [2024-11-12 17:18:10,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025294653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:10,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:10,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:18:10,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749730524] [2024-11-12 17:18:10,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:10,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:18:10,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:10,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:18:10,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:18:10,930 INFO L87 Difference]: Start difference. First operand 141 states and 150 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) [2024-11-12 17:18:10,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:10,969 INFO L93 Difference]: Finished difference Result 172 states and 181 transitions. [2024-11-12 17:18:10,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:18:10,969 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 [2024-11-12 17:18:10,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:10,970 INFO L225 Difference]: With dead ends: 172 [2024-11-12 17:18:10,970 INFO L226 Difference]: Without dead ends: 143 [2024-11-12 17:18:10,971 INFO L434 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 [2024-11-12 17:18:10,971 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 8 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:10,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 415 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:18:10,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-12 17:18:10,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-12 17:18:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 134 states have internal predecessors, (140), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:18:10,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2024-11-12 17:18:10,981 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 16 [2024-11-12 17:18:10,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:10,981 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2024-11-12 17:18:10,982 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) [2024-11-12 17:18:10,982 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2024-11-12 17:18:10,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-12 17:18:10,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:10,983 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:10,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 17:18:10,983 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:10,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:10,983 INFO L85 PathProgramCache]: Analyzing trace with hash 676324676, now seen corresponding path program 1 times [2024-11-12 17:18:10,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:10,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157589916] [2024-11-12 17:18:10,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:10,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:11,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:11,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:11,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:11,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:11,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157589916] [2024-11-12 17:18:11,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157589916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:11,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:11,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 17:18:11,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825187624] [2024-11-12 17:18:11,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:11,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:18:11,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:11,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:18:11,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:18:11,114 INFO L87 Difference]: Start difference. First operand 143 states and 152 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:18:11,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:11,358 INFO L93 Difference]: Finished difference Result 241 states and 264 transitions. [2024-11-12 17:18:11,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:18:11,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-12 17:18:11,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:11,360 INFO L225 Difference]: With dead ends: 241 [2024-11-12 17:18:11,360 INFO L226 Difference]: Without dead ends: 213 [2024-11-12 17:18:11,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:18:11,362 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 253 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:11,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 391 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:18:11,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-12 17:18:11,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 144. [2024-11-12 17:18:11,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 80 states have (on average 1.7625) internal successors, (141), 135 states have internal predecessors, (141), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:18:11,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 153 transitions. [2024-11-12 17:18:11,374 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 153 transitions. Word has length 19 [2024-11-12 17:18:11,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:11,374 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 153 transitions. [2024-11-12 17:18:11,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:18:11,375 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2024-11-12 17:18:11,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-12 17:18:11,375 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:11,375 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:11,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 17:18:11,376 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:11,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:11,376 INFO L85 PathProgramCache]: Analyzing trace with hash -508773292, now seen corresponding path program 1 times [2024-11-12 17:18:11,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:11,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876198571] [2024-11-12 17:18:11,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:11,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:11,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:11,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:11,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:11,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876198571] [2024-11-12 17:18:11,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876198571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:11,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:11,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 17:18:11,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64471779] [2024-11-12 17:18:11,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:11,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:18:11,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:11,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:18:11,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:18:11,435 INFO L87 Difference]: Start difference. First operand 144 states and 153 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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) [2024-11-12 17:18:11,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:11,511 INFO L93 Difference]: Finished difference Result 208 states and 220 transitions. [2024-11-12 17:18:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 17:18:11,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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 [2024-11-12 17:18:11,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:11,512 INFO L225 Difference]: With dead ends: 208 [2024-11-12 17:18:11,512 INFO L226 Difference]: Without dead ends: 206 [2024-11-12 17:18:11,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:18:11,514 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 128 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:11,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 538 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:18:11,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-12 17:18:11,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 163. [2024-11-12 17:18:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7575757575757576) internal successors, (174), 154 states have internal predecessors, (174), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:18:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 186 transitions. [2024-11-12 17:18:11,523 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 186 transitions. Word has length 20 [2024-11-12 17:18:11,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:11,524 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 186 transitions. [2024-11-12 17:18:11,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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) [2024-11-12 17:18:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 186 transitions. [2024-11-12 17:18:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-12 17:18:11,524 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:11,524 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:11,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 17:18:11,525 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:11,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:11,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1407897195, now seen corresponding path program 1 times [2024-11-12 17:18:11,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:11,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772178324] [2024-11-12 17:18:11,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:11,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:11,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:11,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:11,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:11,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772178324] [2024-11-12 17:18:11,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772178324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:11,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:11,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 17:18:11,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148164942] [2024-11-12 17:18:11,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:11,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:18:11,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:11,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:18:11,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:18:11,573 INFO L87 Difference]: Start difference. First operand 163 states and 186 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2024-11-12 17:18:11,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:11,618 INFO L93 Difference]: Finished difference Result 316 states and 363 transitions. [2024-11-12 17:18:11,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:18:11,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 21 [2024-11-12 17:18:11,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:11,620 INFO L225 Difference]: With dead ends: 316 [2024-11-12 17:18:11,620 INFO L226 Difference]: Without dead ends: 167 [2024-11-12 17:18:11,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:18:11,621 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 16 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:11,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 544 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:18:11,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-12 17:18:11,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-12 17:18:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 103 states have (on average 1.7281553398058251) internal successors, (178), 158 states have internal predecessors, (178), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 17:18:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2024-11-12 17:18:11,634 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 21 [2024-11-12 17:18:11,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:11,634 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2024-11-12 17:18:11,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2024-11-12 17:18:11,634 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2024-11-12 17:18:11,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-12 17:18:11,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:11,635 INFO L218 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] [2024-11-12 17:18:11,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 17:18:11,635 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:11,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:11,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1411929968, now seen corresponding path program 1 times [2024-11-12 17:18:11,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:11,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664831458] [2024-11-12 17:18:11,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:11,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:11,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1435991689] [2024-11-12 17:18:11,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:11,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:11,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:11,652 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) [2024-11-12 17:18:11,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 17:18:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:11,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:18:11,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:11,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:11,733 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:11,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:11,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664831458] [2024-11-12 17:18:11,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:11,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435991689] [2024-11-12 17:18:11,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435991689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:11,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:11,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:18:11,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294522797] [2024-11-12 17:18:11,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:11,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:18:11,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:11,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:18:11,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:18:11,735 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-12 17:18:11,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:11,916 INFO L93 Difference]: Finished difference Result 252 states and 292 transitions. [2024-11-12 17:18:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:18:11,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 25 [2024-11-12 17:18:11,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:11,919 INFO L225 Difference]: With dead ends: 252 [2024-11-12 17:18:11,919 INFO L226 Difference]: Without dead ends: 248 [2024-11-12 17:18:11,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:18:11,920 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 68 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:11,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 249 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:18:11,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-12 17:18:11,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 216. [2024-11-12 17:18:11,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 148 states have (on average 1.7432432432432432) internal successors, (258), 203 states have internal predecessors, (258), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:18:11,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 278 transitions. [2024-11-12 17:18:11,928 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 278 transitions. Word has length 25 [2024-11-12 17:18:11,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:11,928 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 278 transitions. [2024-11-12 17:18:11,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-12 17:18:11,928 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 278 transitions. [2024-11-12 17:18:11,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-12 17:18:11,929 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:11,929 INFO L218 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] [2024-11-12 17:18:11,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 17:18:12,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:12,134 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:12,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:12,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1411930638, now seen corresponding path program 1 times [2024-11-12 17:18:12,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:12,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969807148] [2024-11-12 17:18:12,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:12,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:12,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:12,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:12,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:12,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969807148] [2024-11-12 17:18:12,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969807148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:12,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:12,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 17:18:12,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771135017] [2024-11-12 17:18:12,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:12,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:18:12,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:12,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:18:12,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:18:12,208 INFO L87 Difference]: Start difference. First operand 216 states and 278 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 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) [2024-11-12 17:18:12,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:12,338 INFO L93 Difference]: Finished difference Result 220 states and 283 transitions. [2024-11-12 17:18:12,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:18:12,340 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 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 25 [2024-11-12 17:18:12,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:12,341 INFO L225 Difference]: With dead ends: 220 [2024-11-12 17:18:12,341 INFO L226 Difference]: Without dead ends: 217 [2024-11-12 17:18:12,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:18:12,342 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 350 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:12,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 539 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:18:12,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-12 17:18:12,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 190. [2024-11-12 17:18:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 125 states have (on average 1.72) internal successors, (215), 177 states have internal predecessors, (215), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:18:12,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 235 transitions. [2024-11-12 17:18:12,348 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 235 transitions. Word has length 25 [2024-11-12 17:18:12,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:12,348 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 235 transitions. [2024-11-12 17:18:12,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 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) [2024-11-12 17:18:12,349 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 235 transitions. [2024-11-12 17:18:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-12 17:18:12,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:12,349 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:12,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 17:18:12,349 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:12,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:12,350 INFO L85 PathProgramCache]: Analyzing trace with hash -820176736, now seen corresponding path program 1 times [2024-11-12 17:18:12,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:12,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902024832] [2024-11-12 17:18:12,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:12,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:12,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:12,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:12,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:12,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902024832] [2024-11-12 17:18:12,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902024832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:12,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:12,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 17:18:12,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964476588] [2024-11-12 17:18:12,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:12,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:18:12,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:12,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:18:12,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-12 17:18:12,424 INFO L87 Difference]: Start difference. First operand 190 states and 235 transitions. Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 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) [2024-11-12 17:18:12,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:12,510 INFO L93 Difference]: Finished difference Result 386 states and 478 transitions. [2024-11-12 17:18:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 17:18:12,510 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 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 26 [2024-11-12 17:18:12,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:12,511 INFO L225 Difference]: With dead ends: 386 [2024-11-12 17:18:12,511 INFO L226 Difference]: Without dead ends: 214 [2024-11-12 17:18:12,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:18:12,512 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 40 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:12,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 690 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:18:12,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-12 17:18:12,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 195. [2024-11-12 17:18:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 130 states have (on average 1.7) internal successors, (221), 182 states have internal predecessors, (221), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:18:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 241 transitions. [2024-11-12 17:18:12,521 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 241 transitions. Word has length 26 [2024-11-12 17:18:12,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:12,522 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 241 transitions. [2024-11-12 17:18:12,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 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) [2024-11-12 17:18:12,522 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 241 transitions. [2024-11-12 17:18:12,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-12 17:18:12,523 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:12,523 INFO L218 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] [2024-11-12 17:18:12,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 17:18:12,524 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:12,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:12,524 INFO L85 PathProgramCache]: Analyzing trace with hash 344971506, now seen corresponding path program 1 times [2024-11-12 17:18:12,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:12,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031350279] [2024-11-12 17:18:12,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:12,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:12,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:12,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:12,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:12,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:12,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031350279] [2024-11-12 17:18:12,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031350279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:12,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:12,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:18:12,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537053063] [2024-11-12 17:18:12,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:12,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:18:12,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:12,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:18:12,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:18:12,640 INFO L87 Difference]: Start difference. First operand 195 states and 241 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (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) [2024-11-12 17:18:12,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:12,803 INFO L93 Difference]: Finished difference Result 222 states and 245 transitions. [2024-11-12 17:18:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:18:12,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (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 27 [2024-11-12 17:18:12,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:12,805 INFO L225 Difference]: With dead ends: 222 [2024-11-12 17:18:12,805 INFO L226 Difference]: Without dead ends: 221 [2024-11-12 17:18:12,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:18:12,806 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 63 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:12,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 400 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:18:12,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-12 17:18:12,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 196. [2024-11-12 17:18:12,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 131 states have (on average 1.6946564885496183) internal successors, (222), 183 states have internal predecessors, (222), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:18:12,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 242 transitions. [2024-11-12 17:18:12,816 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 242 transitions. Word has length 27 [2024-11-12 17:18:12,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:12,816 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 242 transitions. [2024-11-12 17:18:12,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (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) [2024-11-12 17:18:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 242 transitions. [2024-11-12 17:18:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-12 17:18:12,817 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:12,818 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:12,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 17:18:12,818 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:12,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:12,819 INFO L85 PathProgramCache]: Analyzing trace with hash 2104182261, now seen corresponding path program 1 times [2024-11-12 17:18:12,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:12,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946705885] [2024-11-12 17:18:12,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:12,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:12,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [55250329] [2024-11-12 17:18:12,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:12,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:12,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:12,831 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) [2024-11-12 17:18:12,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 17:18:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:12,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:18:12,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:12,956 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:12,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:12,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946705885] [2024-11-12 17:18:12,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:12,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55250329] [2024-11-12 17:18:12,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55250329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:12,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:12,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:18:12,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514702025] [2024-11-12 17:18:12,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:12,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:18:12,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:12,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:18:12,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:18:12,957 INFO L87 Difference]: Start difference. First operand 196 states and 242 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-12 17:18:13,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:13,174 INFO L93 Difference]: Finished difference Result 220 states and 244 transitions. [2024-11-12 17:18:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:18:13,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 28 [2024-11-12 17:18:13,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:13,175 INFO L225 Difference]: With dead ends: 220 [2024-11-12 17:18:13,175 INFO L226 Difference]: Without dead ends: 219 [2024-11-12 17:18:13,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:18:13,176 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 62 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:13,176 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 344 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:18:13,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-12 17:18:13,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 197. [2024-11-12 17:18:13,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 132 states have (on average 1.6893939393939394) internal successors, (223), 184 states have internal predecessors, (223), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:18:13,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 243 transitions. [2024-11-12 17:18:13,184 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 243 transitions. Word has length 28 [2024-11-12 17:18:13,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:13,184 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 243 transitions. [2024-11-12 17:18:13,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-12 17:18:13,184 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 243 transitions. [2024-11-12 17:18:13,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-12 17:18:13,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:13,185 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:13,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 17:18:13,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-12 17:18:13,386 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:13,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:13,386 INFO L85 PathProgramCache]: Analyzing trace with hash 2084141954, now seen corresponding path program 1 times [2024-11-12 17:18:13,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:13,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924876723] [2024-11-12 17:18:13,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:13,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:13,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1192665169] [2024-11-12 17:18:13,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:13,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:13,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:13,395 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) [2024-11-12 17:18:13,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 17:18:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:13,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:18:13,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:13,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:13,452 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:13,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:13,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924876723] [2024-11-12 17:18:13,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:13,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192665169] [2024-11-12 17:18:13,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192665169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:13,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:13,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:18:13,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182654271] [2024-11-12 17:18:13,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:13,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:18:13,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:13,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:18:13,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:18:13,454 INFO L87 Difference]: Start difference. First operand 197 states and 243 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-12 17:18:13,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:13,609 INFO L93 Difference]: Finished difference Result 223 states and 243 transitions. [2024-11-12 17:18:13,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:18:13,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 28 [2024-11-12 17:18:13,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:13,611 INFO L225 Difference]: With dead ends: 223 [2024-11-12 17:18:13,611 INFO L226 Difference]: Without dead ends: 221 [2024-11-12 17:18:13,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:18:13,613 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 61 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:13,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 273 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:18:13,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-12 17:18:13,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 197. [2024-11-12 17:18:13,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 184 states have internal predecessors, (221), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-12 17:18:13,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 241 transitions. [2024-11-12 17:18:13,623 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 241 transitions. Word has length 28 [2024-11-12 17:18:13,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:13,623 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 241 transitions. [2024-11-12 17:18:13,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-12 17:18:13,623 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 241 transitions. [2024-11-12 17:18:13,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-12 17:18:13,624 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:13,624 INFO L218 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] [2024-11-12 17:18:13,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 17:18:13,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:13,828 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:13,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:13,828 INFO L85 PathProgramCache]: Analyzing trace with hash 805140820, now seen corresponding path program 1 times [2024-11-12 17:18:13,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:13,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8131919] [2024-11-12 17:18:13,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:13,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:13,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1205669491] [2024-11-12 17:18:13,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:13,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:13,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:13,845 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) [2024-11-12 17:18:13,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 17:18:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:13,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 17:18:13,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:13,900 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:13,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:13,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8131919] [2024-11-12 17:18:13,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:13,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205669491] [2024-11-12 17:18:13,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205669491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:13,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:13,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 17:18:13,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117438290] [2024-11-12 17:18:13,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:13,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 17:18:13,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:13,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 17:18:13,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 17:18:13,902 INFO L87 Difference]: Start difference. First operand 197 states and 241 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-12 17:18:14,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:14,018 INFO L93 Difference]: Finished difference Result 320 states and 411 transitions. [2024-11-12 17:18:14,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 17:18:14,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 29 [2024-11-12 17:18:14,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:14,019 INFO L225 Difference]: With dead ends: 320 [2024-11-12 17:18:14,020 INFO L226 Difference]: Without dead ends: 314 [2024-11-12 17:18:14,020 INFO L434 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 [2024-11-12 17:18:14,020 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 63 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:14,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 238 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:18:14,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-12 17:18:14,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 280. [2024-11-12 17:18:14,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 259 states have internal predecessors, (347), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 17:18:14,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 383 transitions. [2024-11-12 17:18:14,031 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 383 transitions. Word has length 29 [2024-11-12 17:18:14,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:14,032 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 383 transitions. [2024-11-12 17:18:14,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-12 17:18:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 383 transitions. [2024-11-12 17:18:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-12 17:18:14,032 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:14,032 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:14,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 17:18:14,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:14,233 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:14,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:14,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1405660772, now seen corresponding path program 1 times [2024-11-12 17:18:14,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:14,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456972077] [2024-11-12 17:18:14,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:14,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:14,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2027976741] [2024-11-12 17:18:14,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:14,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:14,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:14,243 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) [2024-11-12 17:18:14,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 17:18:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:14,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:18:14,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:14,345 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:14,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:14,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456972077] [2024-11-12 17:18:14,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:14,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027976741] [2024-11-12 17:18:14,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027976741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:14,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:14,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:18:14,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624184448] [2024-11-12 17:18:14,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:14,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:18:14,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:14,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:18:14,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:18:14,347 INFO L87 Difference]: Start difference. First operand 280 states and 383 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-12 17:18:14,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:14,576 INFO L93 Difference]: Finished difference Result 301 states and 383 transitions. [2024-11-12 17:18:14,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:18:14,576 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), 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 30 [2024-11-12 17:18:14,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:14,577 INFO L225 Difference]: With dead ends: 301 [2024-11-12 17:18:14,577 INFO L226 Difference]: Without dead ends: 300 [2024-11-12 17:18:14,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:18:14,578 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 195 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:14,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 223 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:18:14,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-12 17:18:14,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 280. [2024-11-12 17:18:14,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 207 states have (on average 1.6666666666666667) internal successors, (345), 259 states have internal predecessors, (345), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 17:18:14,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 381 transitions. [2024-11-12 17:18:14,586 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 381 transitions. Word has length 30 [2024-11-12 17:18:14,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:14,586 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 381 transitions. [2024-11-12 17:18:14,587 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), 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) [2024-11-12 17:18:14,587 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2024-11-12 17:18:14,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-12 17:18:14,587 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:14,587 INFO L218 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] [2024-11-12 17:18:14,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:14,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-12 17:18:14,788 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:14,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:14,789 INFO L85 PathProgramCache]: Analyzing trace with hash 646220214, now seen corresponding path program 1 times [2024-11-12 17:18:14,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:14,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377050561] [2024-11-12 17:18:14,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:14,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:14,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:14,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:14,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:14,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377050561] [2024-11-12 17:18:14,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377050561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:14,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:14,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:18:14,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464164134] [2024-11-12 17:18:14,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:14,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:18:14,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:14,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:18:14,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:18:14,864 INFO L87 Difference]: Start difference. First operand 280 states and 381 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-11-12 17:18:15,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:15,523 INFO L93 Difference]: Finished difference Result 312 states and 391 transitions. [2024-11-12 17:18:15,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:18:15,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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 31 [2024-11-12 17:18:15,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:15,525 INFO L225 Difference]: With dead ends: 312 [2024-11-12 17:18:15,525 INFO L226 Difference]: Without dead ends: 311 [2024-11-12 17:18:15,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:18:15,526 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 63 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:15,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 516 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:18:15,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-12 17:18:15,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 285. [2024-11-12 17:18:15,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 212 states have (on average 1.6603773584905661) internal successors, (352), 264 states have internal predecessors, (352), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 17:18:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 388 transitions. [2024-11-12 17:18:15,533 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 388 transitions. Word has length 31 [2024-11-12 17:18:15,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:15,534 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 388 transitions. [2024-11-12 17:18:15,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-11-12 17:18:15,534 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 388 transitions. [2024-11-12 17:18:15,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-12 17:18:15,534 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:15,534 INFO L218 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] [2024-11-12 17:18:15,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 17:18:15,535 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:15,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:15,535 INFO L85 PathProgramCache]: Analyzing trace with hash 625811067, now seen corresponding path program 1 times [2024-11-12 17:18:15,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:15,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186184793] [2024-11-12 17:18:15,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:15,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:15,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [926542527] [2024-11-12 17:18:15,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:15,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:15,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:15,542 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) [2024-11-12 17:18:15,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 17:18:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:15,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:18:15,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:15,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:15,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:15,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186184793] [2024-11-12 17:18:15,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:15,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926542527] [2024-11-12 17:18:15,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926542527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:15,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:15,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:18:15,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315344569] [2024-11-12 17:18:15,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:15,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:18:15,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:15,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:18:15,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:18:15,633 INFO L87 Difference]: Start difference. First operand 285 states and 388 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-12 17:18:15,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:15,782 INFO L93 Difference]: Finished difference Result 306 states and 388 transitions. [2024-11-12 17:18:15,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:18:15,782 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), 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 31 [2024-11-12 17:18:15,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:15,783 INFO L225 Difference]: With dead ends: 306 [2024-11-12 17:18:15,783 INFO L226 Difference]: Without dead ends: 305 [2024-11-12 17:18:15,784 INFO L434 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 [2024-11-12 17:18:15,784 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 157 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:15,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 236 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 17:18:15,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-12 17:18:15,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 285. [2024-11-12 17:18:15,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 212 states have (on average 1.650943396226415) internal successors, (350), 264 states have internal predecessors, (350), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 17:18:15,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 386 transitions. [2024-11-12 17:18:15,793 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 386 transitions. Word has length 31 [2024-11-12 17:18:15,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:15,793 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 386 transitions. [2024-11-12 17:18:15,793 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), 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) [2024-11-12 17:18:15,793 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 386 transitions. [2024-11-12 17:18:15,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-12 17:18:15,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:15,794 INFO L218 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] [2024-11-12 17:18:15,806 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 17:18:15,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-12 17:18:15,998 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:15,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:15,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1442009671, now seen corresponding path program 1 times [2024-11-12 17:18:15,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:15,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377462646] [2024-11-12 17:18:15,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:15,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:16,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [771979041] [2024-11-12 17:18:16,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:16,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:16,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:16,006 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) [2024-11-12 17:18:16,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 17:18:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:16,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:18:16,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:16,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:16,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:16,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377462646] [2024-11-12 17:18:16,107 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:16,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771979041] [2024-11-12 17:18:16,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771979041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:16,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:16,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:18:16,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219497909] [2024-11-12 17:18:16,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:16,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:18:16,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:16,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:18:16,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:18:16,108 INFO L87 Difference]: Start difference. First operand 285 states and 386 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-12 17:18:16,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:16,372 INFO L93 Difference]: Finished difference Result 329 states and 397 transitions. [2024-11-12 17:18:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:18:16,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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 32 [2024-11-12 17:18:16,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:16,374 INFO L225 Difference]: With dead ends: 329 [2024-11-12 17:18:16,374 INFO L226 Difference]: Without dead ends: 328 [2024-11-12 17:18:16,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:18:16,374 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 173 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:16,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 419 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:18:16,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-12 17:18:16,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 287. [2024-11-12 17:18:16,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 214 states have (on average 1.644859813084112) internal successors, (352), 266 states have internal predecessors, (352), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 17:18:16,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 388 transitions. [2024-11-12 17:18:16,384 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 388 transitions. Word has length 32 [2024-11-12 17:18:16,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:16,384 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 388 transitions. [2024-11-12 17:18:16,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-12 17:18:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 388 transitions. [2024-11-12 17:18:16,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-12 17:18:16,386 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:16,386 INFO L218 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] [2024-11-12 17:18:16,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:16,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:16,587 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:16,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:16,587 INFO L85 PathProgramCache]: Analyzing trace with hash -2074693306, now seen corresponding path program 1 times [2024-11-12 17:18:16,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:16,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772424655] [2024-11-12 17:18:16,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:16,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:16,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185839650] [2024-11-12 17:18:16,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:16,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:16,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:16,596 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) [2024-11-12 17:18:16,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 17:18:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:16,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:18:16,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:16,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:16,667 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:16,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:16,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772424655] [2024-11-12 17:18:16,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:16,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185839650] [2024-11-12 17:18:16,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185839650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:16,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:16,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:18:16,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206988029] [2024-11-12 17:18:16,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:16,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:18:16,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:16,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:18:16,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:18:16,669 INFO L87 Difference]: Start difference. First operand 287 states and 388 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-12 17:18:16,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:16,840 INFO L93 Difference]: Finished difference Result 313 states and 391 transitions. [2024-11-12 17:18:16,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:18:16,840 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), 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 32 [2024-11-12 17:18:16,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:16,841 INFO L225 Difference]: With dead ends: 313 [2024-11-12 17:18:16,841 INFO L226 Difference]: Without dead ends: 312 [2024-11-12 17:18:16,842 INFO L434 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 [2024-11-12 17:18:16,842 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 115 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:16,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 297 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:18:16,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-12 17:18:16,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 287. [2024-11-12 17:18:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 214 states have (on average 1.6355140186915889) internal successors, (350), 266 states have internal predecessors, (350), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 17:18:16,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 386 transitions. [2024-11-12 17:18:16,850 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 386 transitions. Word has length 32 [2024-11-12 17:18:16,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:16,850 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 386 transitions. [2024-11-12 17:18:16,850 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), 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) [2024-11-12 17:18:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 386 transitions. [2024-11-12 17:18:16,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-12 17:18:16,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:16,851 INFO L218 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] [2024-11-12 17:18:16,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:17,054 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,SelfDestructingSolverStorable17 [2024-11-12 17:18:17,055 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:17,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:17,055 INFO L85 PathProgramCache]: Analyzing trace with hash 109017053, now seen corresponding path program 1 times [2024-11-12 17:18:17,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:17,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127167918] [2024-11-12 17:18:17,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:17,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:17,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [517479446] [2024-11-12 17:18:17,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:17,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:17,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:17,062 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) [2024-11-12 17:18:17,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 17:18:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:17,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:18:17,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:17,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:17,215 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:17,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:17,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127167918] [2024-11-12 17:18:17,216 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:17,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517479446] [2024-11-12 17:18:17,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517479446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:17,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:17,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:18:17,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420675365] [2024-11-12 17:18:17,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:17,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:18:17,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:17,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:18:17,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:18:17,217 INFO L87 Difference]: Start difference. First operand 287 states and 386 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-12 17:18:17,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:17,696 INFO L93 Difference]: Finished difference Result 314 states and 390 transitions. [2024-11-12 17:18:17,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:18:17,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 33 [2024-11-12 17:18:17,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:17,697 INFO L225 Difference]: With dead ends: 314 [2024-11-12 17:18:17,698 INFO L226 Difference]: Without dead ends: 313 [2024-11-12 17:18:17,698 INFO L434 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 [2024-11-12 17:18:17,698 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 67 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:17,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 379 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:18:17,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-12 17:18:17,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 287. [2024-11-12 17:18:17,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 214 states have (on average 1.6261682242990654) internal successors, (348), 266 states have internal predecessors, (348), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 17:18:17,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 384 transitions. [2024-11-12 17:18:17,706 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 384 transitions. Word has length 33 [2024-11-12 17:18:17,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:17,707 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 384 transitions. [2024-11-12 17:18:17,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2024-11-12 17:18:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 384 transitions. [2024-11-12 17:18:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-12 17:18:17,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:17,707 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:17,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:17,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:17,908 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:17,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:17,909 INFO L85 PathProgramCache]: Analyzing trace with hash -647174383, now seen corresponding path program 1 times [2024-11-12 17:18:17,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:17,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134883593] [2024-11-12 17:18:17,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:17,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:17,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:17,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:17,984 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:17,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:17,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134883593] [2024-11-12 17:18:17,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134883593] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:17,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143967900] [2024-11-12 17:18:17,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:17,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:17,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:17,986 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) [2024-11-12 17:18:17,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-12 17:18:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:18,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:18:18,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:18,074 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:18,074 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:18,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143967900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:18,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:18,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2024-11-12 17:18:18,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318328337] [2024-11-12 17:18:18,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:18,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 17:18:18,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:18,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 17:18:18,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:18:18,076 INFO L87 Difference]: Start difference. First operand 287 states and 384 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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) [2024-11-12 17:18:18,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:18,154 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2024-11-12 17:18:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 17:18:18,163 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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 35 [2024-11-12 17:18:18,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:18,164 INFO L225 Difference]: With dead ends: 331 [2024-11-12 17:18:18,165 INFO L226 Difference]: Without dead ends: 329 [2024-11-12 17:18:18,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-11-12 17:18:18,165 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 58 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:18,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 874 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:18:18,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-12 17:18:18,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 292. [2024-11-12 17:18:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 219 states have (on average 1.6164383561643836) internal successors, (354), 271 states have internal predecessors, (354), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 17:18:18,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 390 transitions. [2024-11-12 17:18:18,180 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 390 transitions. Word has length 35 [2024-11-12 17:18:18,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:18,180 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 390 transitions. [2024-11-12 17:18:18,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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) [2024-11-12 17:18:18,180 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 390 transitions. [2024-11-12 17:18:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-12 17:18:18,181 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:18,181 INFO L218 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] [2024-11-12 17:18:18,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-12 17:18:18,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:18,382 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:18,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:18,382 INFO L85 PathProgramCache]: Analyzing trace with hash 835677494, now seen corresponding path program 1 times [2024-11-12 17:18:18,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:18,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838691154] [2024-11-12 17:18:18,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:18,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:18,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:18,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:18,440 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:18,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:18,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838691154] [2024-11-12 17:18:18,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838691154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:18,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499120872] [2024-11-12 17:18:18,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:18,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:18,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:18,442 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) [2024-11-12 17:18:18,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-12 17:18:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:18,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 17:18:18,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:18,516 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:18,594 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:18,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499120872] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:18:18,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:18:18,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-12 17:18:18,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520930957] [2024-11-12 17:18:18,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:18,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 17:18:18,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:18,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 17:18:18,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:18:18,596 INFO L87 Difference]: Start difference. First operand 292 states and 390 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:18:18,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:18,703 INFO L93 Difference]: Finished difference Result 528 states and 673 transitions. [2024-11-12 17:18:18,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 17:18:18,704 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2024-11-12 17:18:18,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:18,705 INFO L225 Difference]: With dead ends: 528 [2024-11-12 17:18:18,705 INFO L226 Difference]: Without dead ends: 351 [2024-11-12 17:18:18,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-12 17:18:18,706 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 126 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:18,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 880 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 17:18:18,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-12 17:18:18,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 315. [2024-11-12 17:18:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 242 states have (on average 1.5826446280991735) internal successors, (383), 294 states have internal predecessors, (383), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-12 17:18:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 419 transitions. [2024-11-12 17:18:18,714 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 419 transitions. Word has length 37 [2024-11-12 17:18:18,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:18,715 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 419 transitions. [2024-11-12 17:18:18,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-12 17:18:18,715 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 419 transitions. [2024-11-12 17:18:18,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-12 17:18:18,715 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:18,715 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:18,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-12 17:18:18,916 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,SelfDestructingSolverStorable20 [2024-11-12 17:18:18,916 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:18,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:18,916 INFO L85 PathProgramCache]: Analyzing trace with hash 136196672, now seen corresponding path program 1 times [2024-11-12 17:18:18,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:18,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876701582] [2024-11-12 17:18:18,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:18,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:18,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:18,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:18,993 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:18,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:18,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876701582] [2024-11-12 17:18:18,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876701582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:18,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639234764] [2024-11-12 17:18:18,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:18,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:18,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:18,995 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) [2024-11-12 17:18:19,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-12 17:18:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:19,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:18:19,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:19,069 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:19,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:19,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639234764] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:18:19,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:18:19,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-11-12 17:18:19,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206044054] [2024-11-12 17:18:19,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:19,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:18:19,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:19,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:18:19,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:18:19,126 INFO L87 Difference]: Start difference. First operand 315 states and 419 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:18:19,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:19,777 INFO L93 Difference]: Finished difference Result 849 states and 1065 transitions. [2024-11-12 17:18:19,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 17:18:19,778 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2024-11-12 17:18:19,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:19,780 INFO L225 Difference]: With dead ends: 849 [2024-11-12 17:18:19,780 INFO L226 Difference]: Without dead ends: 821 [2024-11-12 17:18:19,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 74 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2024-11-12 17:18:19,781 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 876 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:19,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 927 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 17:18:19,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-11-12 17:18:19,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 459. [2024-11-12 17:18:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.6084656084656084) internal successors, (608), 430 states have internal predecessors, (608), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 17:18:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 660 transitions. [2024-11-12 17:18:19,796 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 660 transitions. Word has length 38 [2024-11-12 17:18:19,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:19,796 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 660 transitions. [2024-11-12 17:18:19,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:18:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 660 transitions. [2024-11-12 17:18:19,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-12 17:18:19,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:19,797 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:19,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-12 17:18:19,997 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,SelfDestructingSolverStorable21 [2024-11-12 17:18:19,997 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:19,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:19,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1283008566, now seen corresponding path program 1 times [2024-11-12 17:18:19,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:19,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167285620] [2024-11-12 17:18:19,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:19,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:20,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1427972581] [2024-11-12 17:18:20,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:20,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:20,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:20,007 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) [2024-11-12 17:18:20,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-12 17:18:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:20,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:18:20,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:20,104 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:20,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:20,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167285620] [2024-11-12 17:18:20,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:20,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427972581] [2024-11-12 17:18:20,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427972581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:20,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:20,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:18:20,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728442392] [2024-11-12 17:18:20,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:20,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:18:20,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:20,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:18:20,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:18:20,105 INFO L87 Difference]: Start difference. First operand 459 states and 660 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-12 17:18:20,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:20,382 INFO L93 Difference]: Finished difference Result 479 states and 662 transitions. [2024-11-12 17:18:20,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:18:20,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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 41 [2024-11-12 17:18:20,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:20,384 INFO L225 Difference]: With dead ends: 479 [2024-11-12 17:18:20,384 INFO L226 Difference]: Without dead ends: 478 [2024-11-12 17:18:20,384 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:18:20,385 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 160 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:20,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 232 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:18:20,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-12 17:18:20,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 459. [2024-11-12 17:18:20,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.6031746031746033) internal successors, (606), 430 states have internal predecessors, (606), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 17:18:20,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 658 transitions. [2024-11-12 17:18:20,400 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 658 transitions. Word has length 41 [2024-11-12 17:18:20,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:20,401 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 658 transitions. [2024-11-12 17:18:20,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 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) [2024-11-12 17:18:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 658 transitions. [2024-11-12 17:18:20,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-12 17:18:20,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:20,401 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:20,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-12 17:18:20,602 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,SelfDestructingSolverStorable22 [2024-11-12 17:18:20,602 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:20,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:20,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1118559774, now seen corresponding path program 1 times [2024-11-12 17:18:20,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:20,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872614596] [2024-11-12 17:18:20,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:20,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:20,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [64627280] [2024-11-12 17:18:20,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:20,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:20,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:20,614 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) [2024-11-12 17:18:20,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-12 17:18:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:20,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-12 17:18:20,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:20,757 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:20,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:20,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872614596] [2024-11-12 17:18:20,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:20,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64627280] [2024-11-12 17:18:20,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64627280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:20,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:20,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 17:18:20,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639499814] [2024-11-12 17:18:20,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:20,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 17:18:20,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:20,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 17:18:20,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 17:18:20,760 INFO L87 Difference]: Start difference. First operand 459 states and 658 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-12 17:18:21,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:21,291 INFO L93 Difference]: Finished difference Result 488 states and 664 transitions. [2024-11-12 17:18:21,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:18:21,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 42 [2024-11-12 17:18:21,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:21,293 INFO L225 Difference]: With dead ends: 488 [2024-11-12 17:18:21,293 INFO L226 Difference]: Without dead ends: 487 [2024-11-12 17:18:21,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:18:21,293 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 391 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:21,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 357 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 17:18:21,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-12 17:18:21,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 459. [2024-11-12 17:18:21,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.597883597883598) internal successors, (604), 430 states have internal predecessors, (604), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 17:18:21,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 656 transitions. [2024-11-12 17:18:21,306 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 656 transitions. Word has length 42 [2024-11-12 17:18:21,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:21,306 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 656 transitions. [2024-11-12 17:18:21,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-12 17:18:21,306 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 656 transitions. [2024-11-12 17:18:21,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-12 17:18:21,307 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:21,307 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:21,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-12 17:18:21,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:21,511 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:21,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:21,511 INFO L85 PathProgramCache]: Analyzing trace with hash -315614516, now seen corresponding path program 1 times [2024-11-12 17:18:21,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:21,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877348084] [2024-11-12 17:18:21,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:21,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:21,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108601464] [2024-11-12 17:18:21,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:21,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:21,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:21,522 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) [2024-11-12 17:18:21,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-12 17:18:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:21,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:18:21,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:21,587 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:21,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:21,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877348084] [2024-11-12 17:18:21,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:21,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108601464] [2024-11-12 17:18:21,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108601464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:21,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:21,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:18:21,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941001647] [2024-11-12 17:18:21,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:21,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:18:21,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:21,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:18:21,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:18:21,588 INFO L87 Difference]: Start difference. First operand 459 states and 656 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-12 17:18:21,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:21,862 INFO L93 Difference]: Finished difference Result 488 states and 667 transitions. [2024-11-12 17:18:21,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:18:21,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 43 [2024-11-12 17:18:21,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:21,864 INFO L225 Difference]: With dead ends: 488 [2024-11-12 17:18:21,864 INFO L226 Difference]: Without dead ends: 487 [2024-11-12 17:18:21,864 INFO L434 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 [2024-11-12 17:18:21,865 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 107 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:21,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 291 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:18:21,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-12 17:18:21,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 459. [2024-11-12 17:18:21,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.5925925925925926) internal successors, (602), 430 states have internal predecessors, (602), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 17:18:21,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 654 transitions. [2024-11-12 17:18:21,878 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 654 transitions. Word has length 43 [2024-11-12 17:18:21,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:21,878 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 654 transitions. [2024-11-12 17:18:21,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-12 17:18:21,878 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 654 transitions. [2024-11-12 17:18:21,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-12 17:18:21,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:21,878 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:21,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-12 17:18:22,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:22,079 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:22,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:22,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1194115292, now seen corresponding path program 1 times [2024-11-12 17:18:22,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:22,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123979878] [2024-11-12 17:18:22,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:22,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:22,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [155608874] [2024-11-12 17:18:22,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:22,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:22,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:22,087 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) [2024-11-12 17:18:22,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-12 17:18:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:22,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 17:18:22,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:22,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:22,151 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:22,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:22,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123979878] [2024-11-12 17:18:22,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:22,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155608874] [2024-11-12 17:18:22,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155608874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:22,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:22,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 17:18:22,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580618073] [2024-11-12 17:18:22,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:22,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 17:18:22,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:22,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 17:18:22,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 17:18:22,152 INFO L87 Difference]: Start difference. First operand 459 states and 654 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, (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) [2024-11-12 17:18:22,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:22,416 INFO L93 Difference]: Finished difference Result 489 states and 666 transitions. [2024-11-12 17:18:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 17:18:22,417 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, (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 44 [2024-11-12 17:18:22,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:22,419 INFO L225 Difference]: With dead ends: 489 [2024-11-12 17:18:22,419 INFO L226 Difference]: Without dead ends: 488 [2024-11-12 17:18:22,419 INFO L434 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 [2024-11-12 17:18:22,419 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 106 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:22,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 293 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:18:22,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-12 17:18:22,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 459. [2024-11-12 17:18:22,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.5873015873015872) internal successors, (600), 430 states have internal predecessors, (600), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-12 17:18:22,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 652 transitions. [2024-11-12 17:18:22,434 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 652 transitions. Word has length 44 [2024-11-12 17:18:22,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:22,434 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 652 transitions. [2024-11-12 17:18:22,434 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, (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) [2024-11-12 17:18:22,434 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 652 transitions. [2024-11-12 17:18:22,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-12 17:18:22,435 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:22,435 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:22,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:22,635 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,SelfDestructingSolverStorable25 [2024-11-12 17:18:22,636 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:22,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:22,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1183414308, now seen corresponding path program 1 times [2024-11-12 17:18:22,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:22,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171281425] [2024-11-12 17:18:22,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:22,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:22,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:22,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:22,739 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:22,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:22,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171281425] [2024-11-12 17:18:22,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171281425] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:22,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007144308] [2024-11-12 17:18:22,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:22,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:22,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:22,743 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) [2024-11-12 17:18:22,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-12 17:18:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:22,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:18:22,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:22,875 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:22,875 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:23,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007144308] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:18:23,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 17:18:23,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2024-11-12 17:18:23,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200594125] [2024-11-12 17:18:23,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:23,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-12 17:18:23,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:23,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-12 17:18:23,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2024-11-12 17:18:23,002 INFO L87 Difference]: Start difference. First operand 459 states and 652 transitions. Second operand has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 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) [2024-11-12 17:18:23,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:23,428 INFO L93 Difference]: Finished difference Result 1305 states and 1810 transitions. [2024-11-12 17:18:23,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-12 17:18:23,429 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 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 [2024-11-12 17:18:23,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:23,432 INFO L225 Difference]: With dead ends: 1305 [2024-11-12 17:18:23,432 INFO L226 Difference]: Without dead ends: 984 [2024-11-12 17:18:23,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=608, Invalid=2362, Unknown=0, NotChecked=0, Total=2970 [2024-11-12 17:18:23,433 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 651 mSDsluCounter, 2222 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 2398 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:23,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 2398 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:18:23,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-12 17:18:23,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 779. [2024-11-12 17:18:23,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 668 states have (on average 1.598802395209581) internal successors, (1068), 720 states have internal predecessors, (1068), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 17:18:23,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1176 transitions. [2024-11-12 17:18:23,461 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1176 transitions. Word has length 45 [2024-11-12 17:18:23,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:23,462 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1176 transitions. [2024-11-12 17:18:23,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 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) [2024-11-12 17:18:23,462 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1176 transitions. [2024-11-12 17:18:23,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-12 17:18:23,463 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:23,463 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:23,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:23,664 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,SelfDestructingSolverStorable26 [2024-11-12 17:18:23,664 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:23,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:23,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1968215570, now seen corresponding path program 1 times [2024-11-12 17:18:23,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:23,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136828538] [2024-11-12 17:18:23,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:23,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:23,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:23,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:23,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:23,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136828538] [2024-11-12 17:18:23,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136828538] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:23,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33987983] [2024-11-12 17:18:23,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:23,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:23,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:23,806 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) [2024-11-12 17:18:23,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-12 17:18:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:23,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:18:23,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:23,882 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:23,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33987983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:23,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:23,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-12 17:18:23,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799213660] [2024-11-12 17:18:23,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:23,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:18:23,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:23,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:18:23,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-12 17:18:23,883 INFO L87 Difference]: Start difference. First operand 779 states and 1176 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-11-12 17:18:24,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:24,169 INFO L93 Difference]: Finished difference Result 1668 states and 2497 transitions. [2024-11-12 17:18:24,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 17:18:24,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 46 [2024-11-12 17:18:24,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:24,172 INFO L225 Difference]: With dead ends: 1668 [2024-11-12 17:18:24,172 INFO L226 Difference]: Without dead ends: 1220 [2024-11-12 17:18:24,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:18:24,173 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 216 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:24,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 785 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:18:24,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2024-11-12 17:18:24,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 876. [2024-11-12 17:18:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 765 states have (on average 1.5869281045751633) internal successors, (1214), 817 states have internal predecessors, (1214), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 17:18:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1322 transitions. [2024-11-12 17:18:24,219 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1322 transitions. Word has length 46 [2024-11-12 17:18:24,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:24,219 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1322 transitions. [2024-11-12 17:18:24,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-11-12 17:18:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1322 transitions. [2024-11-12 17:18:24,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-12 17:18:24,220 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:24,220 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:24,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:24,420 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,SelfDestructingSolverStorable27 [2024-11-12 17:18:24,420 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:24,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:24,421 INFO L85 PathProgramCache]: Analyzing trace with hash -905180666, now seen corresponding path program 1 times [2024-11-12 17:18:24,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:24,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121757846] [2024-11-12 17:18:24,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:24,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:24,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130585539] [2024-11-12 17:18:24,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:24,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:24,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:24,431 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) [2024-11-12 17:18:24,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-12 17:18:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:24,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:18:24,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:24,592 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:24,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:24,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:24,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121757846] [2024-11-12 17:18:24,811 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:24,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130585539] [2024-11-12 17:18:24,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130585539] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:18:24,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:18:24,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2024-11-12 17:18:24,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533421934] [2024-11-12 17:18:24,811 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:24,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 17:18:24,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:24,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 17:18:24,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:18:24,812 INFO L87 Difference]: Start difference. First operand 876 states and 1322 transitions. Second operand has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:18:25,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:25,300 INFO L93 Difference]: Finished difference Result 1648 states and 2474 transitions. [2024-11-12 17:18:25,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:18:25,301 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2024-11-12 17:18:25,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:25,305 INFO L225 Difference]: With dead ends: 1648 [2024-11-12 17:18:25,305 INFO L226 Difference]: Without dead ends: 1645 [2024-11-12 17:18:25,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-12 17:18:25,306 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 638 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:25,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 863 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:18:25,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2024-11-12 17:18:25,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1121. [2024-11-12 17:18:25,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1007 states have (on average 1.5938430983118173) internal successors, (1605), 1059 states have internal predecessors, (1605), 57 states have call successors, (57), 4 states have call predecessors, (57), 4 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-12 17:18:25,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1719 transitions. [2024-11-12 17:18:25,350 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1719 transitions. Word has length 47 [2024-11-12 17:18:25,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:25,350 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1719 transitions. [2024-11-12 17:18:25,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 17:18:25,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1719 transitions. [2024-11-12 17:18:25,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-12 17:18:25,351 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:25,351 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:25,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-12 17:18:25,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-12 17:18:25,551 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:25,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:25,552 INFO L85 PathProgramCache]: Analyzing trace with hash 2004170517, now seen corresponding path program 1 times [2024-11-12 17:18:25,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:25,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109518987] [2024-11-12 17:18:25,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:25,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:25,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1810683013] [2024-11-12 17:18:25,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:25,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:25,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:25,561 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) [2024-11-12 17:18:25,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-12 17:18:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:25,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:18:25,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:25,732 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:26,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:26,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109518987] [2024-11-12 17:18:26,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:26,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810683013] [2024-11-12 17:18:26,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810683013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:26,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:26,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-12 17:18:26,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342975258] [2024-11-12 17:18:26,704 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:26,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:18:26,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:26,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:18:26,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:18:26,705 INFO L87 Difference]: Start difference. First operand 1121 states and 1719 transitions. Second operand has 8 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:18:26,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:26,964 INFO L93 Difference]: Finished difference Result 1558 states and 2383 transitions. [2024-11-12 17:18:26,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:18:26,965 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 48 [2024-11-12 17:18:26,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:26,969 INFO L225 Difference]: With dead ends: 1558 [2024-11-12 17:18:26,969 INFO L226 Difference]: Without dead ends: 1556 [2024-11-12 17:18:26,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:18:26,969 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 309 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:26,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 511 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:18:26,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2024-11-12 17:18:27,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1426. [2024-11-12 17:18:27,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.6133540372670807) internal successors, (2078), 1340 states have internal predecessors, (2078), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 17:18:27,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2240 transitions. [2024-11-12 17:18:27,035 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2240 transitions. Word has length 48 [2024-11-12 17:18:27,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:27,036 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2240 transitions. [2024-11-12 17:18:27,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 17:18:27,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2240 transitions. [2024-11-12 17:18:27,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-12 17:18:27,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:27,036 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:27,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-12 17:18:27,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:27,237 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:27,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:27,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1999743976, now seen corresponding path program 1 times [2024-11-12 17:18:27,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:27,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258558383] [2024-11-12 17:18:27,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:27,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:27,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [108479059] [2024-11-12 17:18:27,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:27,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:27,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:27,246 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) [2024-11-12 17:18:27,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-12 17:18:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:27,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:18:27,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:27,427 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:27,427 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:27,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:27,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258558383] [2024-11-12 17:18:27,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:27,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108479059] [2024-11-12 17:18:27,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108479059] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:27,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:27,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-12 17:18:27,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909037112] [2024-11-12 17:18:27,545 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:27,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:18:27,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:27,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:18:27,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:18:27,546 INFO L87 Difference]: Start difference. First operand 1426 states and 2240 transitions. Second operand has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:18:27,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:27,855 INFO L93 Difference]: Finished difference Result 1492 states and 2265 transitions. [2024-11-12 17:18:27,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:18:27,855 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 49 [2024-11-12 17:18:27,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:27,859 INFO L225 Difference]: With dead ends: 1492 [2024-11-12 17:18:27,859 INFO L226 Difference]: Without dead ends: 1490 [2024-11-12 17:18:27,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:18:27,859 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 394 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:27,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 488 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:18:27,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2024-11-12 17:18:27,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1426. [2024-11-12 17:18:27,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.6055900621118013) internal successors, (2068), 1340 states have internal predecessors, (2068), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 17:18:27,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2230 transitions. [2024-11-12 17:18:27,913 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2230 transitions. Word has length 49 [2024-11-12 17:18:27,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:27,913 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2230 transitions. [2024-11-12 17:18:27,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:18:27,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2230 transitions. [2024-11-12 17:18:27,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-12 17:18:27,913 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:27,913 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:27,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:28,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:28,114 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:28,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:28,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1862521207, now seen corresponding path program 1 times [2024-11-12 17:18:28,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:28,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717227514] [2024-11-12 17:18:28,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:28,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:28,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051316482] [2024-11-12 17:18:28,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:28,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:28,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:28,127 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) [2024-11-12 17:18:28,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-12 17:18:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:28,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-12 17:18:28,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:28,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:29,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:29,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717227514] [2024-11-12 17:18:29,049 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:29,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051316482] [2024-11-12 17:18:29,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051316482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:29,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:29,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-12 17:18:29,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386117465] [2024-11-12 17:18:29,050 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:29,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 17:18:29,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:29,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 17:18:29,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-12 17:18:29,050 INFO L87 Difference]: Start difference. First operand 1426 states and 2230 transitions. Second operand has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:18:29,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:29,338 INFO L93 Difference]: Finished difference Result 1492 states and 2255 transitions. [2024-11-12 17:18:29,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:18:29,338 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2024-11-12 17:18:29,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:29,342 INFO L225 Difference]: With dead ends: 1492 [2024-11-12 17:18:29,342 INFO L226 Difference]: Without dead ends: 1490 [2024-11-12 17:18:29,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:18:29,344 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 363 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:29,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 691 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:18:29,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2024-11-12 17:18:29,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1426. [2024-11-12 17:18:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.5978260869565217) internal successors, (2058), 1340 states have internal predecessors, (2058), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 17:18:29,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2220 transitions. [2024-11-12 17:18:29,408 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2220 transitions. Word has length 50 [2024-11-12 17:18:29,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:29,408 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2220 transitions. [2024-11-12 17:18:29,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-12 17:18:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2220 transitions. [2024-11-12 17:18:29,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-12 17:18:29,409 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:29,409 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:29,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:29,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:29,609 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:29,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:29,610 INFO L85 PathProgramCache]: Analyzing trace with hash -2082349830, now seen corresponding path program 1 times [2024-11-12 17:18:29,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:29,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770051943] [2024-11-12 17:18:29,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:29,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:29,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 17:18:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:29,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 17:18:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:29,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-12 17:18:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:29,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 17:18:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:29,689 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 17:18:29,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:29,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770051943] [2024-11-12 17:18:29,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770051943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:29,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769435591] [2024-11-12 17:18:29,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:29,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:29,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:29,691 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) [2024-11-12 17:18:29,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-12 17:18:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:29,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:18:29,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:29,792 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 17:18:29,792 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:29,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769435591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:29,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:29,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-12 17:18:29,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147752638] [2024-11-12 17:18:29,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:29,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:18:29,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:29,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:18:29,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-12 17:18:29,793 INFO L87 Difference]: Start difference. First operand 1426 states and 2220 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 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) [2024-11-12 17:18:30,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:30,270 INFO L93 Difference]: Finished difference Result 1458 states and 2228 transitions. [2024-11-12 17:18:30,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:18:30,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 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 52 [2024-11-12 17:18:30,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:30,274 INFO L225 Difference]: With dead ends: 1458 [2024-11-12 17:18:30,275 INFO L226 Difference]: Without dead ends: 1457 [2024-11-12 17:18:30,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-12 17:18:30,275 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 314 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:30,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 317 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:18:30,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2024-11-12 17:18:30,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1426. [2024-11-12 17:18:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.595496894409938) internal successors, (2055), 1340 states have internal predecessors, (2055), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 17:18:30,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2217 transitions. [2024-11-12 17:18:30,331 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2217 transitions. Word has length 52 [2024-11-12 17:18:30,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:30,331 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2217 transitions. [2024-11-12 17:18:30,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 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) [2024-11-12 17:18:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2217 transitions. [2024-11-12 17:18:30,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-12 17:18:30,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:30,332 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:30,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-12 17:18:30,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:30,533 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:30,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:30,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1903582666, now seen corresponding path program 1 times [2024-11-12 17:18:30,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:30,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571698268] [2024-11-12 17:18:30,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:30,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:30,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1677125437] [2024-11-12 17:18:30,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:30,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:30,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:30,543 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) [2024-11-12 17:18:30,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-12 17:18:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:30,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-12 17:18:30,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:30,724 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:35,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:35,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571698268] [2024-11-12 17:18:35,739 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:35,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677125437] [2024-11-12 17:18:35,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677125437] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:18:35,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:18:35,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-12 17:18:35,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758557967] [2024-11-12 17:18:35,740 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:35,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 17:18:35,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:35,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 17:18:35,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=163, Unknown=1, NotChecked=0, Total=210 [2024-11-12 17:18:35,741 INFO L87 Difference]: Start difference. First operand 1426 states and 2217 transitions. Second operand has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:18:38,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:38,550 INFO L93 Difference]: Finished difference Result 1499 states and 2242 transitions. [2024-11-12 17:18:38,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 17:18:38,551 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-11-12 17:18:38,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:38,554 INFO L225 Difference]: With dead ends: 1499 [2024-11-12 17:18:38,554 INFO L226 Difference]: Without dead ends: 1498 [2024-11-12 17:18:38,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=71, Invalid=234, Unknown=1, NotChecked=0, Total=306 [2024-11-12 17:18:38,555 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 711 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:38,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 714 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-12 17:18:38,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2024-11-12 17:18:38,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1426. [2024-11-12 17:18:38,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.5885093167701863) internal successors, (2046), 1340 states have internal predecessors, (2046), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 17:18:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2208 transitions. [2024-11-12 17:18:38,615 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2208 transitions. Word has length 51 [2024-11-12 17:18:38,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:38,616 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2208 transitions. [2024-11-12 17:18:38,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-12 17:18:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2208 transitions. [2024-11-12 17:18:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-12 17:18:38,616 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:38,616 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:38,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:38,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:38,817 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:38,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:38,818 INFO L85 PathProgramCache]: Analyzing trace with hash -128335169, now seen corresponding path program 1 times [2024-11-12 17:18:38,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:38,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707436018] [2024-11-12 17:18:38,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:38,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:38,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [501085841] [2024-11-12 17:18:38,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:38,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:38,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:38,828 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) [2024-11-12 17:18:38,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-12 17:18:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:38,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-12 17:18:38,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-12 17:18:38,928 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:38,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:38,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707436018] [2024-11-12 17:18:38,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:38,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501085841] [2024-11-12 17:18:38,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501085841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:38,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:38,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:18:38,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38862643] [2024-11-12 17:18:38,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:38,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:18:38,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:38,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:18:38,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:18:38,930 INFO L87 Difference]: Start difference. First operand 1426 states and 2208 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-11-12 17:18:39,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:39,190 INFO L93 Difference]: Finished difference Result 1458 states and 2216 transitions. [2024-11-12 17:18:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:18:39,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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 53 [2024-11-12 17:18:39,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:39,194 INFO L225 Difference]: With dead ends: 1458 [2024-11-12 17:18:39,194 INFO L226 Difference]: Without dead ends: 1457 [2024-11-12 17:18:39,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:18:39,195 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 311 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:39,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 319 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:18:39,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2024-11-12 17:18:39,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1426. [2024-11-12 17:18:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.5861801242236024) internal successors, (2043), 1340 states have internal predecessors, (2043), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 17:18:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2205 transitions. [2024-11-12 17:18:39,252 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2205 transitions. Word has length 53 [2024-11-12 17:18:39,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:39,252 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2205 transitions. [2024-11-12 17:18:39,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-11-12 17:18:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2205 transitions. [2024-11-12 17:18:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-12 17:18:39,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:39,253 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:39,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-12 17:18:39,453 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,SelfDestructingSolverStorable34 [2024-11-12 17:18:39,453 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:39,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:39,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1118479399, now seen corresponding path program 1 times [2024-11-12 17:18:39,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:39,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340739317] [2024-11-12 17:18:39,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:39,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:39,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1905128948] [2024-11-12 17:18:39,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:39,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:39,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:39,462 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) [2024-11-12 17:18:39,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-12 17:18:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:39,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 17:18:39,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:39,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 17:18:40,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:40,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340739317] [2024-11-12 17:18:40,007 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:40,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905128948] [2024-11-12 17:18:40,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905128948] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:18:40,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:18:40,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-12 17:18:40,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989091654] [2024-11-12 17:18:40,008 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:40,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 17:18:40,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:40,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 17:18:40,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-12 17:18:40,009 INFO L87 Difference]: Start difference. First operand 1426 states and 2205 transitions. Second operand has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 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) [2024-11-12 17:18:41,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:41,901 INFO L93 Difference]: Finished difference Result 1501 states and 2232 transitions. [2024-11-12 17:18:41,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 17:18:41,901 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 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 52 [2024-11-12 17:18:41,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:41,905 INFO L225 Difference]: With dead ends: 1501 [2024-11-12 17:18:41,905 INFO L226 Difference]: Without dead ends: 1499 [2024-11-12 17:18:41,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-12 17:18:41,905 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 585 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:41,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 770 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-12 17:18:41,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2024-11-12 17:18:41,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1427. [2024-11-12 17:18:41,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1289 states have (on average 1.5748642358417377) internal successors, (2030), 1341 states have internal predecessors, (2030), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 17:18:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2192 transitions. [2024-11-12 17:18:41,959 INFO L78 Accepts]: Start accepts. Automaton has 1427 states and 2192 transitions. Word has length 52 [2024-11-12 17:18:41,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:41,959 INFO L471 AbstractCegarLoop]: Abstraction has 1427 states and 2192 transitions. [2024-11-12 17:18:41,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 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) [2024-11-12 17:18:41,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 2192 transitions. [2024-11-12 17:18:41,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-12 17:18:41,960 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:41,960 INFO L218 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, 1, 1] [2024-11-12 17:18:41,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-12 17:18:42,160 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,SelfDestructingSolverStorable35 [2024-11-12 17:18:42,161 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:42,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:42,161 INFO L85 PathProgramCache]: Analyzing trace with hash 676944184, now seen corresponding path program 1 times [2024-11-12 17:18:42,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:42,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59443009] [2024-11-12 17:18:42,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:42,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:42,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [605512934] [2024-11-12 17:18:42,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:42,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:42,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:42,172 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) [2024-11-12 17:18:42,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-12 17:18:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:42,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:18:42,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-12 17:18:42,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:42,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:42,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59443009] [2024-11-12 17:18:42,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:42,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605512934] [2024-11-12 17:18:42,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605512934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:42,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:42,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:18:42,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411632104] [2024-11-12 17:18:42,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:42,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:18:42,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:42,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:18:42,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:18:42,277 INFO L87 Difference]: Start difference. First operand 1427 states and 2192 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2024-11-12 17:18:42,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:42,757 INFO L93 Difference]: Finished difference Result 1489 states and 2259 transitions. [2024-11-12 17:18:42,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:18:42,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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 59 [2024-11-12 17:18:42,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:42,762 INFO L225 Difference]: With dead ends: 1489 [2024-11-12 17:18:42,762 INFO L226 Difference]: Without dead ends: 1486 [2024-11-12 17:18:42,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:18:42,762 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 262 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:42,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 239 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 17:18:42,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2024-11-12 17:18:42,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1461. [2024-11-12 17:18:42,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.5648218347232752) internal successors, (2064), 1371 states have internal predecessors, (2064), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-12 17:18:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2234 transitions. [2024-11-12 17:18:42,834 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2234 transitions. Word has length 59 [2024-11-12 17:18:42,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:42,834 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2234 transitions. [2024-11-12 17:18:42,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2024-11-12 17:18:42,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2234 transitions. [2024-11-12 17:18:42,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-12 17:18:42,834 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:42,835 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:42,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:43,035 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,SelfDestructingSolverStorable36 [2024-11-12 17:18:43,035 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:43,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:43,036 INFO L85 PathProgramCache]: Analyzing trace with hash -150154300, now seen corresponding path program 1 times [2024-11-12 17:18:43,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:43,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625668630] [2024-11-12 17:18:43,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:43,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:43,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533973078] [2024-11-12 17:18:43,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:43,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:43,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:43,045 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) [2024-11-12 17:18:43,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-12 17:18:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:43,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:18:43,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:43,273 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:43,274 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:45,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:45,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625668630] [2024-11-12 17:18:45,841 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:45,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533973078] [2024-11-12 17:18:45,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533973078] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:45,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:45,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 17:18:45,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116493212] [2024-11-12 17:18:45,841 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:45,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:18:45,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:45,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:18:45,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=112, Unknown=1, NotChecked=0, Total=156 [2024-11-12 17:18:45,842 INFO L87 Difference]: Start difference. First operand 1461 states and 2234 transitions. Second operand has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:18:46,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:46,157 INFO L93 Difference]: Finished difference Result 1583 states and 2367 transitions. [2024-11-12 17:18:46,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:18:46,160 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2024-11-12 17:18:46,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:46,164 INFO L225 Difference]: With dead ends: 1583 [2024-11-12 17:18:46,164 INFO L226 Difference]: Without dead ends: 1581 [2024-11-12 17:18:46,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=43, Invalid=112, Unknown=1, NotChecked=0, Total=156 [2024-11-12 17:18:46,165 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 363 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:46,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 806 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:18:46,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2024-11-12 17:18:46,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1461. [2024-11-12 17:18:46,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.55724033358605) internal successors, (2054), 1371 states have internal predecessors, (2054), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-12 17:18:46,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2224 transitions. [2024-11-12 17:18:46,250 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2224 transitions. Word has length 58 [2024-11-12 17:18:46,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:46,250 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2224 transitions. [2024-11-12 17:18:46,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:18:46,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2224 transitions. [2024-11-12 17:18:46,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-12 17:18:46,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:46,251 INFO L218 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, 1, 1, 1] [2024-11-12 17:18:46,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:46,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:46,452 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:46,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:46,452 INFO L85 PathProgramCache]: Analyzing trace with hash -489566650, now seen corresponding path program 1 times [2024-11-12 17:18:46,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:46,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090606618] [2024-11-12 17:18:46,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:46,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:46,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [935037256] [2024-11-12 17:18:46,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:46,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:46,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:46,470 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) [2024-11-12 17:18:46,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-12 17:18:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:46,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 17:18:46,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:46,574 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-12 17:18:46,575 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 17:18:46,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:46,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090606618] [2024-11-12 17:18:46,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:46,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935037256] [2024-11-12 17:18:46,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935037256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 17:18:46,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 17:18:46,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 17:18:46,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768182718] [2024-11-12 17:18:46,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 17:18:46,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 17:18:46,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:46,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 17:18:46,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 17:18:46,578 INFO L87 Difference]: Start difference. First operand 1461 states and 2224 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:18:46,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:46,981 INFO L93 Difference]: Finished difference Result 1487 states and 2240 transitions. [2024-11-12 17:18:46,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 17:18:46,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-11-12 17:18:46,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:46,985 INFO L225 Difference]: With dead ends: 1487 [2024-11-12 17:18:46,985 INFO L226 Difference]: Without dead ends: 1486 [2024-11-12 17:18:46,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 17:18:46,985 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 245 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:46,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 308 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 17:18:46,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2024-11-12 17:18:47,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1461. [2024-11-12 17:18:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.5549658832448825) internal successors, (2051), 1371 states have internal predecessors, (2051), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-12 17:18:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2221 transitions. [2024-11-12 17:18:47,052 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2221 transitions. Word has length 60 [2024-11-12 17:18:47,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:47,052 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2221 transitions. [2024-11-12 17:18:47,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-12 17:18:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2221 transitions. [2024-11-12 17:18:47,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-12 17:18:47,053 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:47,053 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:47,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:47,253 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,SelfDestructingSolverStorable38 [2024-11-12 17:18:47,254 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:47,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:47,254 INFO L85 PathProgramCache]: Analyzing trace with hash -359815900, now seen corresponding path program 1 times [2024-11-12 17:18:47,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:47,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088287930] [2024-11-12 17:18:47,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:47,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:47,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [275301287] [2024-11-12 17:18:47,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:47,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:47,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:47,266 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) [2024-11-12 17:18:47,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-12 17:18:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:47,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:18:47,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:47,498 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:47,498 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:18:57,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:18:57,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088287930] [2024-11-12 17:18:57,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:18:57,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275301287] [2024-11-12 17:18:57,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275301287] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 17:18:57,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-12 17:18:57,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-12 17:18:57,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225985949] [2024-11-12 17:18:57,626 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-12 17:18:57,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 17:18:57,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:18:57,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 17:18:57,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=112, Unknown=3, NotChecked=0, Total=156 [2024-11-12 17:18:57,627 INFO L87 Difference]: Start difference. First operand 1461 states and 2221 transitions. Second operand has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:18:57,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:18:57,909 INFO L93 Difference]: Finished difference Result 1583 states and 2354 transitions. [2024-11-12 17:18:57,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 17:18:57,909 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 59 [2024-11-12 17:18:57,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:18:57,912 INFO L225 Difference]: With dead ends: 1583 [2024-11-12 17:18:57,912 INFO L226 Difference]: Without dead ends: 1581 [2024-11-12 17:18:57,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=52, Invalid=127, Unknown=3, NotChecked=0, Total=182 [2024-11-12 17:18:57,913 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 388 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 17:18:57,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 559 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 17:18:57,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2024-11-12 17:18:57,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1461. [2024-11-12 17:18:57,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.5473843821076574) internal successors, (2041), 1371 states have internal predecessors, (2041), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-12 17:18:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2211 transitions. [2024-11-12 17:18:57,977 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2211 transitions. Word has length 59 [2024-11-12 17:18:57,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:18:57,977 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2211 transitions. [2024-11-12 17:18:57,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-12 17:18:57,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2211 transitions. [2024-11-12 17:18:57,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-12 17:18:57,977 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:18:57,977 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:18:57,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-12 17:18:58,178 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,SelfDestructingSolverStorable39 [2024-11-12 17:18:58,178 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:18:58,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:18:58,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1730609094, now seen corresponding path program 1 times [2024-11-12 17:18:58,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:18:58,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513999713] [2024-11-12 17:18:58,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:58,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:18:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:18:58,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1572997861] [2024-11-12 17:18:58,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:18:58,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:18:58,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:18:58,188 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) [2024-11-12 17:18:58,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-12 17:18:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:18:58,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:18:58,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:18:58,391 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:18:58,391 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:19:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:19:07,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:19:07,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513999713] [2024-11-12 17:19:07,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:19:07,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572997861] [2024-11-12 17:19:07,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572997861] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:19:07,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:19:07,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-11-12 17:19:07,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145764172] [2024-11-12 17:19:07,906 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:19:07,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 17:19:07,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:19:07,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 17:19:07,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=182, Unknown=3, NotChecked=0, Total=240 [2024-11-12 17:19:07,907 INFO L87 Difference]: Start difference. First operand 1461 states and 2211 transitions. Second operand has 16 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-12 17:19:18,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-12 17:19:22,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-12 17:19:27,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-12 17:19:31,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-12 17:19:35,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-12 17:19:35,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 17:19:35,895 INFO L93 Difference]: Finished difference Result 3564 states and 5372 transitions. [2024-11-12 17:19:35,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-12 17:19:35,896 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 60 [2024-11-12 17:19:35,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 17:19:35,901 INFO L225 Difference]: With dead ends: 3564 [2024-11-12 17:19:35,901 INFO L226 Difference]: Without dead ends: 3559 [2024-11-12 17:19:35,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=202, Invalid=550, Unknown=4, NotChecked=0, Total=756 [2024-11-12 17:19:35,901 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 1445 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 94 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2024-11-12 17:19:35,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 1104 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 789 Invalid, 5 Unknown, 0 Unchecked, 23.6s Time] [2024-11-12 17:19:35,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3559 states. [2024-11-12 17:19:35,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3559 to 1744. [2024-11-12 17:19:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1744 states, 1600 states have (on average 1.53) internal successors, (2448), 1652 states have internal predecessors, (2448), 87 states have call successors, (87), 4 states have call predecessors, (87), 4 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-12 17:19:35,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1744 states and 2622 transitions. [2024-11-12 17:19:35,989 INFO L78 Accepts]: Start accepts. Automaton has 1744 states and 2622 transitions. Word has length 60 [2024-11-12 17:19:35,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 17:19:35,990 INFO L471 AbstractCegarLoop]: Abstraction has 1744 states and 2622 transitions. [2024-11-12 17:19:35,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-12 17:19:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2622 transitions. [2024-11-12 17:19:35,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-12 17:19:35,990 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 17:19:35,990 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 17:19:36,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-12 17:19:36,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:19:36,191 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-12 17:19:36,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 17:19:36,191 INFO L85 PathProgramCache]: Analyzing trace with hash 2109274470, now seen corresponding path program 1 times [2024-11-12 17:19:36,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 17:19:36,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559348346] [2024-11-12 17:19:36,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:36,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 17:19:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 17:19:36,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1547351851] [2024-11-12 17:19:36,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 17:19:36,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 17:19:36,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 17:19:36,199 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) [2024-11-12 17:19:36,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-12 17:19:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 17:19:36,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-12 17:19:36,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 17:19:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:19:36,414 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 17:19:45,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 17:19:45,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 17:19:45,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559348346] [2024-11-12 17:19:45,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 17:19:45,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547351851] [2024-11-12 17:19:45,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547351851] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 17:19:45,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 17:19:45,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-11-12 17:19:45,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693332633] [2024-11-12 17:19:45,988 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 17:19:45,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 17:19:45,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 17:19:45,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 17:19:45,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=183, Unknown=2, NotChecked=0, Total=240 [2024-11-12 17:19:45,988 INFO L87 Difference]: Start difference. First operand 1744 states and 2622 transitions. Second operand has 16 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-12 17:19:50,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1]