./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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/cohendiv-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 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:21:44,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:21:44,668 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:21:44,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:21:44,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:21:44,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:21:44,707 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:21:44,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:21:44,708 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:21:44,711 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:21:44,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:21:44,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:21:44,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:21:44,714 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:21:44,714 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:21:44,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:21:44,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:21:44,715 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:21:44,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:21:44,715 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:21:44,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:21:44,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:21:44,717 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:21:44,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:21:44,718 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:21:44,718 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:21:44,719 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:21:44,719 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:21:44,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:21:44,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:21:44,720 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:21:44,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:21:44,720 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:21:44,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:21:44,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:21:44,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:21:44,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:21:44,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:21:44,722 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:21:44,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:21:44,723 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:21:44,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:21:44,723 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:21:44,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:21:44,724 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 [2024-11-17 04:21:44,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:21:44,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:21:44,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:21:44,999 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:21:44,999 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:21:45,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2024-11-17 04:21:46,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:21:46,495 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:21:46,496 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2024-11-17 04:21:46,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d305a8835/70832fbccd014bbdbd5cac021ad4d7cc/FLAGb05c1629f [2024-11-17 04:21:46,908 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d305a8835/70832fbccd014bbdbd5cac021ad4d7cc [2024-11-17 04:21:46,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:21:46,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:21:46,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:21:46,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:21:46,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:21:46,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:21:46" (1/1) ... [2024-11-17 04:21:46,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb46dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:46, skipping insertion in model container [2024-11-17 04:21:46,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:21:46" (1/1) ... [2024-11-17 04:21:46,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:21:47,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:21:47,126 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:21:47,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:21:47,187 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:21:47,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47 WrapperNode [2024-11-17 04:21:47,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:21:47,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:21:47,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:21:47,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:21:47,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47" (1/1) ... [2024-11-17 04:21:47,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47" (1/1) ... [2024-11-17 04:21:47,235 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-17 04:21:47,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:21:47,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:21:47,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:21:47,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:21:47,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47" (1/1) ... [2024-11-17 04:21:47,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47" (1/1) ... [2024-11-17 04:21:47,249 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47" (1/1) ... [2024-11-17 04:21:47,273 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]. [2024-11-17 04:21:47,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47" (1/1) ... [2024-11-17 04:21:47,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47" (1/1) ... [2024-11-17 04:21:47,283 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47" (1/1) ... [2024-11-17 04:21:47,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47" (1/1) ... [2024-11-17 04:21:47,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47" (1/1) ... [2024-11-17 04:21:47,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47" (1/1) ... [2024-11-17 04:21:47,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:21:47,294 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:21:47,294 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:21:47,294 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:21:47,295 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47" (1/1) ... [2024-11-17 04:21:47,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:21:47,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:47,331 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) [2024-11-17 04:21:47,333 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 [2024-11-17 04:21:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:21:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:21:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:21:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:21:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:21:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:21:47,434 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:21:47,436 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:21:47,728 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-17 04:21:47,728 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:21:47,748 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:21:47,748 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:21:47,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:21:47 BoogieIcfgContainer [2024-11-17 04:21:47,749 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:21:47,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:21:47,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:21:47,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:21:47,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:21:46" (1/3) ... [2024-11-17 04:21:47,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12566f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:21:47, skipping insertion in model container [2024-11-17 04:21:47,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:47" (2/3) ... [2024-11-17 04:21:47,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12566f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:21:47, skipping insertion in model container [2024-11-17 04:21:47,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:21:47" (3/3) ... [2024-11-17 04:21:47,759 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound50.c [2024-11-17 04:21:47,775 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:21:47,776 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-17 04:21:47,844 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:21:47,854 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;@6f3a0382, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:21:47,854 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-11-17 04:21:47,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 58 states have (on average 1.7241379310344827) internal successors, (100), 92 states have internal predecessors, (100), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:21:47,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:21:47,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:47,866 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:21:47,868 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:47,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:47,874 INFO L85 PathProgramCache]: Analyzing trace with hash -390968034, now seen corresponding path program 1 times [2024-11-17 04:21:47,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:47,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835382727] [2024-11-17 04:21:47,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:47,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:48,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:48,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835382727] [2024-11-17 04:21:48,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835382727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:48,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:48,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:48,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789013920] [2024-11-17 04:21:48,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:48,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:21:48,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:48,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:21:48,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:21:48,073 INFO L87 Difference]: Start difference. First operand has 101 states, 58 states have (on average 1.7241379310344827) internal successors, (100), 92 states have internal predecessors, (100), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:48,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:48,105 INFO L93 Difference]: Finished difference Result 198 states and 230 transitions. [2024-11-17 04:21:48,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:21:48,107 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:21:48,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:48,114 INFO L225 Difference]: With dead ends: 198 [2024-11-17 04:21:48,114 INFO L226 Difference]: Without dead ends: 94 [2024-11-17 04:21:48,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:21:48,119 INFO L432 NwaCegarLoop]: 109 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, 109 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 [2024-11-17 04:21:48,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:48,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-17 04:21:48,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-17 04:21:48,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 53 states have (on average 1.6981132075471699) internal successors, (90), 86 states have internal predecessors, (90), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:21:48,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 102 transitions. [2024-11-17 04:21:48,155 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 102 transitions. Word has length 6 [2024-11-17 04:21:48,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:48,155 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 102 transitions. [2024-11-17 04:21:48,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:48,156 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2024-11-17 04:21:48,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:21:48,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:48,156 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:21:48,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:21:48,157 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:48,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:48,157 INFO L85 PathProgramCache]: Analyzing trace with hash -390938243, now seen corresponding path program 1 times [2024-11-17 04:21:48,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:48,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496465827] [2024-11-17 04:21:48,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:48,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:48,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:48,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496465827] [2024-11-17 04:21:48,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496465827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:48,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:48,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:48,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879692825] [2024-11-17 04:21:48,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:48,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:48,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:48,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:48,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:48,267 INFO L87 Difference]: Start difference. First operand 94 states and 102 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:48,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:48,343 INFO L93 Difference]: Finished difference Result 134 states and 144 transitions. [2024-11-17 04:21:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:48,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:21:48,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:48,349 INFO L225 Difference]: With dead ends: 134 [2024-11-17 04:21:48,349 INFO L226 Difference]: Without dead ends: 133 [2024-11-17 04:21:48,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:48,351 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 42 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 280 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 [2024-11-17 04:21:48,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 280 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:48,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-17 04:21:48,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 111. [2024-11-17 04:21:48,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.671641791044776) internal successors, (112), 101 states have internal predecessors, (112), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:21:48,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2024-11-17 04:21:48,369 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 6 [2024-11-17 04:21:48,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:48,369 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2024-11-17 04:21:48,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:48,370 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2024-11-17 04:21:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:21:48,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:48,370 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:48,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:21:48,371 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:48,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:48,372 INFO L85 PathProgramCache]: Analyzing trace with hash 765816417, now seen corresponding path program 1 times [2024-11-17 04:21:48,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:48,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255167994] [2024-11-17 04:21:48,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:48,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:48,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:48,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255167994] [2024-11-17 04:21:48,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255167994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:48,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:48,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:48,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233958398] [2024-11-17 04:21:48,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:48,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:48,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:48,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:48,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:48,465 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:48,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:48,514 INFO L93 Difference]: Finished difference Result 120 states and 135 transitions. [2024-11-17 04:21:48,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:21:48,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 04:21:48,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:48,519 INFO L225 Difference]: With dead ends: 120 [2024-11-17 04:21:48,519 INFO L226 Difference]: Without dead ends: 111 [2024-11-17 04:21:48,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:48,521 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 5 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 283 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 [2024-11-17 04:21:48,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 283 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:48,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-17 04:21:48,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-17 04:21:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.6417910447761195) internal successors, (110), 101 states have internal predecessors, (110), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:21:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2024-11-17 04:21:48,532 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 7 [2024-11-17 04:21:48,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:48,533 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2024-11-17 04:21:48,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:48,533 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2024-11-17 04:21:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 04:21:48,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:48,534 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:48,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:21:48,534 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:48,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:48,535 INFO L85 PathProgramCache]: Analyzing trace with hash -429336967, now seen corresponding path program 1 times [2024-11-17 04:21:48,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:48,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95811570] [2024-11-17 04:21:48,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:48,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:48,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733273268] [2024-11-17 04:21:48,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:48,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:48,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:48,564 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) [2024-11-17 04:21:48,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:21:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:21:48,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:48,642 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:48,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:48,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95811570] [2024-11-17 04:21:48,643 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:48,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733273268] [2024-11-17 04:21:48,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733273268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:48,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:48,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:48,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543525787] [2024-11-17 04:21:48,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:48,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:21:48,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:48,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:21:48,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:48,651 INFO L87 Difference]: Start difference. First operand 111 states and 126 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:48,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:48,735 INFO L93 Difference]: Finished difference Result 126 states and 135 transitions. [2024-11-17 04:21:48,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:21:48,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 04:21:48,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:48,737 INFO L225 Difference]: With dead ends: 126 [2024-11-17 04:21:48,737 INFO L226 Difference]: Without dead ends: 124 [2024-11-17 04:21:48,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:48,740 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 18 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:48,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 177 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:48,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-17 04:21:48,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 111. [2024-11-17 04:21:48,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 101 states have internal predecessors, (108), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:21:48,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2024-11-17 04:21:48,752 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 10 [2024-11-17 04:21:48,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:48,752 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2024-11-17 04:21:48,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:48,753 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2024-11-17 04:21:48,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 04:21:48,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:48,754 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:48,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:48,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:48,958 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:48,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:48,959 INFO L85 PathProgramCache]: Analyzing trace with hash -395538071, now seen corresponding path program 1 times [2024-11-17 04:21:48,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:48,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296466847] [2024-11-17 04:21:48,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:48,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:48,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2010618210] [2024-11-17 04:21:48,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:48,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:48,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:48,980 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) [2024-11-17 04:21:48,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:21:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:21:49,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:49,061 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:49,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:49,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296466847] [2024-11-17 04:21:49,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:49,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010618210] [2024-11-17 04:21:49,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010618210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:49,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:49,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:49,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546930752] [2024-11-17 04:21:49,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:49,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:21:49,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:49,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:21:49,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:49,067 INFO L87 Difference]: Start difference. First operand 111 states and 124 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:49,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:49,260 INFO L93 Difference]: Finished difference Result 172 states and 195 transitions. [2024-11-17 04:21:49,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:21:49,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-17 04:21:49,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:49,262 INFO L225 Difference]: With dead ends: 172 [2024-11-17 04:21:49,262 INFO L226 Difference]: Without dead ends: 166 [2024-11-17 04:21:49,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:49,264 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 56 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:49,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 152 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:21:49,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-17 04:21:49,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 142. [2024-11-17 04:21:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 94 states have (on average 1.6170212765957446) internal successors, (152), 127 states have internal predecessors, (152), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:49,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 176 transitions. [2024-11-17 04:21:49,278 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 176 transitions. Word has length 17 [2024-11-17 04:21:49,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:49,278 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 176 transitions. [2024-11-17 04:21:49,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 176 transitions. [2024-11-17 04:21:49,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:21:49,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:49,280 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:49,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:49,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:49,486 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:49,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:49,486 INFO L85 PathProgramCache]: Analyzing trace with hash 2140004711, now seen corresponding path program 1 times [2024-11-17 04:21:49,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:49,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842811136] [2024-11-17 04:21:49,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:49,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:49,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1961783119] [2024-11-17 04:21:49,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:49,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:49,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:49,506 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) [2024-11-17 04:21:49,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:21:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:21:49,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:49,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:49,734 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:49,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:49,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842811136] [2024-11-17 04:21:49,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:49,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961783119] [2024-11-17 04:21:49,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961783119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:49,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:49,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:49,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569299758] [2024-11-17 04:21:49,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:49,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:49,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:49,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:49,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:49,736 INFO L87 Difference]: Start difference. First operand 142 states and 176 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:49,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:49,923 INFO L93 Difference]: Finished difference Result 164 states and 184 transitions. [2024-11-17 04:21:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:49,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-17 04:21:49,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:49,926 INFO L225 Difference]: With dead ends: 164 [2024-11-17 04:21:49,926 INFO L226 Difference]: Without dead ends: 161 [2024-11-17 04:21:49,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:49,927 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 197 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:49,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 151 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:21:49,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-17 04:21:49,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 143. [2024-11-17 04:21:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 95 states have (on average 1.5894736842105264) internal successors, (151), 128 states have internal predecessors, (151), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:49,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 175 transitions. [2024-11-17 04:21:49,941 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 175 transitions. Word has length 19 [2024-11-17 04:21:49,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:49,941 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 175 transitions. [2024-11-17 04:21:49,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 175 transitions. [2024-11-17 04:21:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 04:21:49,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:49,943 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:49,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:21:50,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:50,144 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:50,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:50,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1915636647, now seen corresponding path program 1 times [2024-11-17 04:21:50,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:50,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822981686] [2024-11-17 04:21:50,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:50,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:50,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [135089357] [2024-11-17 04:21:50,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:50,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:50,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:50,174 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) [2024-11-17 04:21:50,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:21:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:50,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:21:50,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:50,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:50,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:50,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:50,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822981686] [2024-11-17 04:21:50,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:50,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135089357] [2024-11-17 04:21:50,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135089357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:50,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:50,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:50,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024021346] [2024-11-17 04:21:50,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:50,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:50,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:50,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:50,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:50,293 INFO L87 Difference]: Start difference. First operand 143 states and 175 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:50,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:50,448 INFO L93 Difference]: Finished difference Result 164 states and 181 transitions. [2024-11-17 04:21:50,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:50,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-17 04:21:50,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:50,450 INFO L225 Difference]: With dead ends: 164 [2024-11-17 04:21:50,450 INFO L226 Difference]: Without dead ends: 157 [2024-11-17 04:21:50,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:50,451 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 193 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:50,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 154 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:50,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-17 04:21:50,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 140. [2024-11-17 04:21:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 92 states have (on average 1.576086956521739) internal successors, (145), 125 states have internal predecessors, (145), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:50,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 169 transitions. [2024-11-17 04:21:50,461 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 169 transitions. Word has length 20 [2024-11-17 04:21:50,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:50,462 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 169 transitions. [2024-11-17 04:21:50,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:50,462 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 169 transitions. [2024-11-17 04:21:50,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 04:21:50,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:50,463 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:50,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:50,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:50,664 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:50,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:50,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1418721612, now seen corresponding path program 1 times [2024-11-17 04:21:50,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:50,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568573106] [2024-11-17 04:21:50,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:50,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:50,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:50,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:50,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:21:50,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:50,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568573106] [2024-11-17 04:21:50,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568573106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:50,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:50,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:21:50,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501302132] [2024-11-17 04:21:50,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:50,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:21:50,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:50,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:21:50,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:21:50,801 INFO L87 Difference]: Start difference. First operand 140 states and 169 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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) [2024-11-17 04:21:50,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:50,865 INFO L93 Difference]: Finished difference Result 140 states and 169 transitions. [2024-11-17 04:21:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:21:50,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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 [2024-11-17 04:21:50,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:50,867 INFO L225 Difference]: With dead ends: 140 [2024-11-17 04:21:50,867 INFO L226 Difference]: Without dead ends: 138 [2024-11-17 04:21:50,867 INFO L431 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 [2024-11-17 04:21:50,868 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 91 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:50,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 259 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:50,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-17 04:21:50,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-17 04:21:50,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 92 states have (on average 1.5434782608695652) internal successors, (142), 123 states have internal predecessors, (142), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:50,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 166 transitions. [2024-11-17 04:21:50,886 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 166 transitions. Word has length 28 [2024-11-17 04:21:50,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:50,886 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 166 transitions. [2024-11-17 04:21:50,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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) [2024-11-17 04:21:50,887 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2024-11-17 04:21:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 04:21:50,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:50,888 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:50,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:21:50,888 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:50,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:50,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1030697047, now seen corresponding path program 1 times [2024-11-17 04:21:50,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:50,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046460367] [2024-11-17 04:21:50,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:50,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:50,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:21:51,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:51,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046460367] [2024-11-17 04:21:51,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046460367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:51,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:51,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:21:51,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855071237] [2024-11-17 04:21:51,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:51,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:21:51,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:51,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:21:51,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:21:51,015 INFO L87 Difference]: Start difference. First operand 138 states and 166 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 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) [2024-11-17 04:21:51,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:51,094 INFO L93 Difference]: Finished difference Result 231 states and 269 transitions. [2024-11-17 04:21:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:21:51,095 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 [2024-11-17 04:21:51,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:51,097 INFO L225 Difference]: With dead ends: 231 [2024-11-17 04:21:51,097 INFO L226 Difference]: Without dead ends: 143 [2024-11-17 04:21:51,097 INFO L431 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 [2024-11-17 04:21:51,099 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 14 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:51,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 439 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:51,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-17 04:21:51,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-17 04:21:51,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 97 states have (on average 1.5154639175257731) internal successors, (147), 128 states have internal predecessors, (147), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:51,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 171 transitions. [2024-11-17 04:21:51,108 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 171 transitions. Word has length 29 [2024-11-17 04:21:51,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:51,109 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 171 transitions. [2024-11-17 04:21:51,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-11-17 04:21:51,109 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 171 transitions. [2024-11-17 04:21:51,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-17 04:21:51,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:51,110 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:51,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:21:51,110 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:51,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:51,111 INFO L85 PathProgramCache]: Analyzing trace with hash 774561800, now seen corresponding path program 1 times [2024-11-17 04:21:51,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:51,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366444004] [2024-11-17 04:21:51,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:51,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:51,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [209242349] [2024-11-17 04:21:51,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:51,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:51,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:51,139 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) [2024-11-17 04:21:51,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:21:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:21:51,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:21:51,269 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:51,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:51,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366444004] [2024-11-17 04:21:51,269 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:51,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209242349] [2024-11-17 04:21:51,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209242349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:51,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:51,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:51,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755154268] [2024-11-17 04:21:51,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:51,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:51,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:51,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:51,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:51,295 INFO L87 Difference]: Start difference. First operand 143 states and 171 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) [2024-11-17 04:21:51,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:51,558 INFO L93 Difference]: Finished difference Result 223 states and 294 transitions. [2024-11-17 04:21:51,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:51,559 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 [2024-11-17 04:21:51,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:51,560 INFO L225 Difference]: With dead ends: 223 [2024-11-17 04:21:51,560 INFO L226 Difference]: Without dead ends: 218 [2024-11-17 04:21:51,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:51,561 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 129 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:51,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 105 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:21:51,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-17 04:21:51,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 198. [2024-11-17 04:21:51,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 144 states have (on average 1.5277777777777777) internal successors, (220), 175 states have internal predecessors, (220), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:51,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 260 transitions. [2024-11-17 04:21:51,575 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 260 transitions. Word has length 32 [2024-11-17 04:21:51,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:51,575 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 260 transitions. [2024-11-17 04:21:51,576 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) [2024-11-17 04:21:51,576 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 260 transitions. [2024-11-17 04:21:51,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 04:21:51,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:51,577 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:51,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:51,780 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,SelfDestructingSolverStorable9 [2024-11-17 04:21:51,781 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:51,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:51,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1758387948, now seen corresponding path program 1 times [2024-11-17 04:21:51,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:51,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18609990] [2024-11-17 04:21:51,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:51,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:51,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2059692109] [2024-11-17 04:21:51,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:51,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:51,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:51,803 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) [2024-11-17 04:21:51,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:21:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:21:51,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:51,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:21:51,904 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:51,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:51,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18609990] [2024-11-17 04:21:51,904 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:51,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059692109] [2024-11-17 04:21:51,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059692109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:51,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:51,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:51,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36826888] [2024-11-17 04:21:51,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:51,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:51,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:51,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:51,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:51,906 INFO L87 Difference]: Start difference. First operand 198 states and 260 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) [2024-11-17 04:21:52,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:52,052 INFO L93 Difference]: Finished difference Result 221 states and 285 transitions. [2024-11-17 04:21:52,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:52,052 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 [2024-11-17 04:21:52,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:52,053 INFO L225 Difference]: With dead ends: 221 [2024-11-17 04:21:52,053 INFO L226 Difference]: Without dead ends: 218 [2024-11-17 04:21:52,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:52,054 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 96 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:52,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 117 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:52,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-17 04:21:52,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 199. [2024-11-17 04:21:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 145 states have (on average 1.4965517241379311) internal successors, (217), 176 states have internal predecessors, (217), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 257 transitions. [2024-11-17 04:21:52,073 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 257 transitions. Word has length 33 [2024-11-17 04:21:52,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:52,075 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 257 transitions. [2024-11-17 04:21:52,075 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) [2024-11-17 04:21:52,075 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 257 transitions. [2024-11-17 04:21:52,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-17 04:21:52,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:52,076 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:52,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:52,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:52,279 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:52,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:52,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1584173418, now seen corresponding path program 1 times [2024-11-17 04:21:52,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:52,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395514229] [2024-11-17 04:21:52,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:52,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:52,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:52,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:52,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:52,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:52,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:52,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:52,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395514229] [2024-11-17 04:21:52,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395514229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:52,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:52,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:52,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742648209] [2024-11-17 04:21:52,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:52,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:52,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:52,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:52,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:52,384 INFO L87 Difference]: Start difference. First operand 199 states and 257 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (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) [2024-11-17 04:21:52,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:52,826 INFO L93 Difference]: Finished difference Result 238 states and 290 transitions. [2024-11-17 04:21:52,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:21:52,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (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 53 [2024-11-17 04:21:52,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:52,828 INFO L225 Difference]: With dead ends: 238 [2024-11-17 04:21:52,828 INFO L226 Difference]: Without dead ends: 236 [2024-11-17 04:21:52,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:52,829 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 148 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:52,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 98 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:21:52,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-17 04:21:52,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 203. [2024-11-17 04:21:52,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.4697986577181208) internal successors, (219), 180 states have internal predecessors, (219), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 259 transitions. [2024-11-17 04:21:52,841 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 259 transitions. Word has length 53 [2024-11-17 04:21:52,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:52,841 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 259 transitions. [2024-11-17 04:21:52,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (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) [2024-11-17 04:21:52,841 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 259 transitions. [2024-11-17 04:21:52,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 04:21:52,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:52,842 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:52,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 04:21:52,843 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:52,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:52,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1864735715, now seen corresponding path program 1 times [2024-11-17 04:21:52,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:52,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868978900] [2024-11-17 04:21:52,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:52,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:52,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:52,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:52,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:52,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:52,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:52,908 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:52,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:52,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868978900] [2024-11-17 04:21:52,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868978900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:52,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:52,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:52,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86944440] [2024-11-17 04:21:52,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:52,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:52,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:52,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:52,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:52,911 INFO L87 Difference]: Start difference. First operand 203 states and 259 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, (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) [2024-11-17 04:21:53,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:53,087 INFO L93 Difference]: Finished difference Result 238 states and 286 transitions. [2024-11-17 04:21:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:21:53,088 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-17 04:21:53,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:53,089 INFO L225 Difference]: With dead ends: 238 [2024-11-17 04:21:53,089 INFO L226 Difference]: Without dead ends: 236 [2024-11-17 04:21:53,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:53,090 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 145 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:53,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 100 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:21:53,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-17 04:21:53,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 205. [2024-11-17 04:21:53,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 151 states have (on average 1.4503311258278146) internal successors, (219), 182 states have internal predecessors, (219), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:53,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 259 transitions. [2024-11-17 04:21:53,106 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 259 transitions. Word has length 54 [2024-11-17 04:21:53,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:53,106 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 259 transitions. [2024-11-17 04:21:53,106 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, (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) [2024-11-17 04:21:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 259 transitions. [2024-11-17 04:21:53,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 04:21:53,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:53,108 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:53,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 04:21:53,108 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:53,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:53,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1009660014, now seen corresponding path program 1 times [2024-11-17 04:21:53,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:53,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177815728] [2024-11-17 04:21:53,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:53,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,178 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:53,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:53,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177815728] [2024-11-17 04:21:53,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177815728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:53,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:53,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:53,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361805509] [2024-11-17 04:21:53,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:53,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:21:53,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:53,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:21:53,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:53,181 INFO L87 Difference]: Start difference. First operand 205 states and 259 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-17 04:21:53,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:53,238 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2024-11-17 04:21:53,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:21:53,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 56 [2024-11-17 04:21:53,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:53,241 INFO L225 Difference]: With dead ends: 213 [2024-11-17 04:21:53,241 INFO L226 Difference]: Without dead ends: 212 [2024-11-17 04:21:53,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:53,242 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 18 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:53,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 156 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:53,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-17 04:21:53,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 205. [2024-11-17 04:21:53,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 151 states have (on average 1.4437086092715232) internal successors, (218), 182 states have internal predecessors, (218), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 258 transitions. [2024-11-17 04:21:53,257 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 258 transitions. Word has length 56 [2024-11-17 04:21:53,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:53,258 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 258 transitions. [2024-11-17 04:21:53,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-17 04:21:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 258 transitions. [2024-11-17 04:21:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 04:21:53,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:53,259 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:53,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 04:21:53,259 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:53,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:53,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1009660064, now seen corresponding path program 1 times [2024-11-17 04:21:53,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:53,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707386115] [2024-11-17 04:21:53,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:53,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,398 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:53,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:53,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707386115] [2024-11-17 04:21:53,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707386115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:53,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:53,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:53,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136363880] [2024-11-17 04:21:53,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:53,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:53,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:53,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:53,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:53,400 INFO L87 Difference]: Start difference. First operand 205 states and 258 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:21:53,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:53,464 INFO L93 Difference]: Finished difference Result 205 states and 258 transitions. [2024-11-17 04:21:53,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:53,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 56 [2024-11-17 04:21:53,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:53,465 INFO L225 Difference]: With dead ends: 205 [2024-11-17 04:21:53,466 INFO L226 Difference]: Without dead ends: 204 [2024-11-17 04:21:53,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:53,466 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 70 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:53,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 68 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:53,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-17 04:21:53,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-17 04:21:53,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 151 states have (on average 1.4172185430463575) internal successors, (214), 181 states have internal predecessors, (214), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:53,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 254 transitions. [2024-11-17 04:21:53,478 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 254 transitions. Word has length 56 [2024-11-17 04:21:53,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:53,478 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 254 transitions. [2024-11-17 04:21:53,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:21:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 254 transitions. [2024-11-17 04:21:53,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-17 04:21:53,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:53,480 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:53,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 04:21:53,480 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:53,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:53,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1234689350, now seen corresponding path program 1 times [2024-11-17 04:21:53,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:53,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77689222] [2024-11-17 04:21:53,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:53,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:53,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:53,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77689222] [2024-11-17 04:21:53,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77689222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:53,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:53,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:21:53,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267421047] [2024-11-17 04:21:53,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:53,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:21:53,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:53,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:21:53,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:53,549 INFO L87 Difference]: Start difference. First operand 204 states and 254 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:21:53,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:53,652 INFO L93 Difference]: Finished difference Result 326 states and 412 transitions. [2024-11-17 04:21:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:21:53,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2024-11-17 04:21:53,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:53,654 INFO L225 Difference]: With dead ends: 326 [2024-11-17 04:21:53,654 INFO L226 Difference]: Without dead ends: 325 [2024-11-17 04:21:53,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:21:53,655 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 211 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:53,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 231 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:53,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-17 04:21:53,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 292. [2024-11-17 04:21:53,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 229 states have (on average 1.4585152838427948) internal successors, (334), 259 states have internal predecessors, (334), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-17 04:21:53,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 394 transitions. [2024-11-17 04:21:53,671 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 394 transitions. Word has length 57 [2024-11-17 04:21:53,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:53,671 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 394 transitions. [2024-11-17 04:21:53,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-17 04:21:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 394 transitions. [2024-11-17 04:21:53,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-17 04:21:53,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:53,673 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:53,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 04:21:53,673 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:53,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:53,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1234690919, now seen corresponding path program 1 times [2024-11-17 04:21:53,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:53,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933176773] [2024-11-17 04:21:53,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:53,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,790 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:53,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:53,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933176773] [2024-11-17 04:21:53,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933176773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:53,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:53,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:21:53,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449796431] [2024-11-17 04:21:53,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:53,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:21:53,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:53,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:21:53,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:21:53,792 INFO L87 Difference]: Start difference. First operand 292 states and 394 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:54,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:54,286 INFO L93 Difference]: Finished difference Result 413 states and 553 transitions. [2024-11-17 04:21:54,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:21:54,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2024-11-17 04:21:54,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:54,289 INFO L225 Difference]: With dead ends: 413 [2024-11-17 04:21:54,289 INFO L226 Difference]: Without dead ends: 412 [2024-11-17 04:21:54,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:21:54,290 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 355 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:54,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 302 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:21:54,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-17 04:21:54,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 370. [2024-11-17 04:21:54,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 297 states have (on average 1.4511784511784511) internal successors, (431), 327 states have internal predecessors, (431), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-17 04:21:54,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 511 transitions. [2024-11-17 04:21:54,315 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 511 transitions. Word has length 57 [2024-11-17 04:21:54,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:54,315 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 511 transitions. [2024-11-17 04:21:54,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:54,316 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 511 transitions. [2024-11-17 04:21:54,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-17 04:21:54,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:54,317 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:54,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 04:21:54,317 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:54,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:54,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1125491236, now seen corresponding path program 1 times [2024-11-17 04:21:54,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:54,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054087045] [2024-11-17 04:21:54,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:54,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:54,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:54,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054087045] [2024-11-17 04:21:54,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054087045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:54,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:54,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:54,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885596975] [2024-11-17 04:21:54,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:54,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:54,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:54,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:54,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:54,402 INFO L87 Difference]: Start difference. First operand 370 states and 511 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-17 04:21:54,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:54,560 INFO L93 Difference]: Finished difference Result 403 states and 538 transitions. [2024-11-17 04:21:54,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:54,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 [2024-11-17 04:21:54,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:54,564 INFO L225 Difference]: With dead ends: 403 [2024-11-17 04:21:54,564 INFO L226 Difference]: Without dead ends: 401 [2024-11-17 04:21:54,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:54,565 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 54 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:54,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 193 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:54,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-17 04:21:54,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 375. [2024-11-17 04:21:54,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 302 states have (on average 1.4437086092715232) internal successors, (436), 332 states have internal predecessors, (436), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-17 04:21:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 516 transitions. [2024-11-17 04:21:54,590 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 516 transitions. Word has length 59 [2024-11-17 04:21:54,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:54,590 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 516 transitions. [2024-11-17 04:21:54,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-17 04:21:54,591 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 516 transitions. [2024-11-17 04:21:54,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-17 04:21:54,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:54,591 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-17 04:21:54,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-17 04:21:54,592 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:54,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:54,592 INFO L85 PathProgramCache]: Analyzing trace with hash 261576157, now seen corresponding path program 1 times [2024-11-17 04:21:54,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:54,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431372627] [2024-11-17 04:21:54,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:54,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:54,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:54,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431372627] [2024-11-17 04:21:54,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431372627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:54,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849237818] [2024-11-17 04:21:54,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:54,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:54,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:54,722 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:54,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:21:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:54,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:21:54,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:54,893 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:21:54,893 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:55,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849237818] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:55,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:21:55,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 17 [2024-11-17 04:21:55,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698059005] [2024-11-17 04:21:55,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:55,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:21:55,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:55,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:21:55,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:21:55,043 INFO L87 Difference]: Start difference. First operand 375 states and 516 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:55,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:55,194 INFO L93 Difference]: Finished difference Result 416 states and 547 transitions. [2024-11-17 04:21:55,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:21:55,195 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-17 04:21:55,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:55,197 INFO L225 Difference]: With dead ends: 416 [2024-11-17 04:21:55,197 INFO L226 Difference]: Without dead ends: 414 [2024-11-17 04:21:55,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:21:55,198 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 125 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:55,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 416 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:55,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-17 04:21:55,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 383. [2024-11-17 04:21:55,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 308 states have (on average 1.4090909090909092) internal successors, (434), 338 states have internal predecessors, (434), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-17 04:21:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 514 transitions. [2024-11-17 04:21:55,225 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 514 transitions. Word has length 64 [2024-11-17 04:21:55,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:55,225 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 514 transitions. [2024-11-17 04:21:55,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 514 transitions. [2024-11-17 04:21:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 04:21:55,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:55,227 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:55,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:21:55,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:55,428 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:55,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:55,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1544678673, now seen corresponding path program 1 times [2024-11-17 04:21:55,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:55,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785010949] [2024-11-17 04:21:55,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:55,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:55,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:55,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785010949] [2024-11-17 04:21:55,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785010949] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:55,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151040063] [2024-11-17 04:21:55,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:55,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:55,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:55,533 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) [2024-11-17 04:21:55,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:21:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:21:55,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:21:55,665 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:55,786 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:55,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151040063] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:21:55,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:21:55,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-17 04:21:55,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634107814] [2024-11-17 04:21:55,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:21:55,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:21:55,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:55,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:21:55,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:21:55,789 INFO L87 Difference]: Start difference. First operand 383 states and 514 transitions. Second operand has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-17 04:21:56,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:56,022 INFO L93 Difference]: Finished difference Result 706 states and 895 transitions. [2024-11-17 04:21:56,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:21:56,023 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 67 [2024-11-17 04:21:56,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:56,025 INFO L225 Difference]: With dead ends: 706 [2024-11-17 04:21:56,025 INFO L226 Difference]: Without dead ends: 532 [2024-11-17 04:21:56,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:21:56,027 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 125 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:56,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 672 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:56,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-17 04:21:56,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 481. [2024-11-17 04:21:56,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 392 states have (on average 1.3801020408163265) internal successors, (541), 424 states have internal predecessors, (541), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-17 04:21:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 641 transitions. [2024-11-17 04:21:56,055 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 641 transitions. Word has length 67 [2024-11-17 04:21:56,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:56,055 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 641 transitions. [2024-11-17 04:21:56,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.571428571428571) internal successors, (92), 14 states have internal predecessors, (92), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-17 04:21:56,055 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 641 transitions. [2024-11-17 04:21:56,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-17 04:21:56,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:56,056 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1] [2024-11-17 04:21:56,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 04:21:56,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:56,261 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:56,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:56,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1295011301, now seen corresponding path program 1 times [2024-11-17 04:21:56,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:56,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674319671] [2024-11-17 04:21:56,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:56,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:56,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078701728] [2024-11-17 04:21:56,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:56,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:56,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:56,279 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) [2024-11-17 04:21:56,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:21:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:56,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:21:56,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:56,673 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:56,673 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:56,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:56,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674319671] [2024-11-17 04:21:56,673 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:56,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078701728] [2024-11-17 04:21:56,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078701728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:56,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:56,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:21:56,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966972703] [2024-11-17 04:21:56,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:56,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:21:56,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:56,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:21:56,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:21:56,675 INFO L87 Difference]: Start difference. First operand 481 states and 641 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:57,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:57,126 INFO L93 Difference]: Finished difference Result 702 states and 943 transitions. [2024-11-17 04:21:57,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:21:57,127 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2024-11-17 04:21:57,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:57,131 INFO L225 Difference]: With dead ends: 702 [2024-11-17 04:21:57,131 INFO L226 Difference]: Without dead ends: 693 [2024-11-17 04:21:57,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:21:57,132 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 284 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:57,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 210 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:21:57,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-17 04:21:57,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 658. [2024-11-17 04:21:57,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 549 states have (on average 1.355191256830601) internal successors, (744), 581 states have internal predecessors, (744), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-17 04:21:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 884 transitions. [2024-11-17 04:21:57,168 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 884 transitions. Word has length 74 [2024-11-17 04:21:57,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:57,168 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 884 transitions. [2024-11-17 04:21:57,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:57,169 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 884 transitions. [2024-11-17 04:21:57,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-17 04:21:57,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:57,169 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:21:57,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:21:57,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:57,370 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:57,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:57,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1490644717, now seen corresponding path program 1 times [2024-11-17 04:21:57,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:57,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468858862] [2024-11-17 04:21:57,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:57,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:57,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1833217038] [2024-11-17 04:21:57,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:57,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:57,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:57,391 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) [2024-11-17 04:21:57,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:21:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:57,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:21:57,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:57,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:58,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:58,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468858862] [2024-11-17 04:21:58,602 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:58,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833217038] [2024-11-17 04:21:58,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833217038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:58,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:21:58,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:21:58,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108785124] [2024-11-17 04:21:58,603 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:21:58,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:21:58,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:58,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:21:58,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:21:58,604 INFO L87 Difference]: Start difference. First operand 658 states and 884 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:58,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:58,998 INFO L93 Difference]: Finished difference Result 739 states and 976 transitions. [2024-11-17 04:21:58,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:21:58,999 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 75 [2024-11-17 04:21:58,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:59,003 INFO L225 Difference]: With dead ends: 739 [2024-11-17 04:21:59,003 INFO L226 Difference]: Without dead ends: 736 [2024-11-17 04:21:59,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:21:59,004 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 164 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:59,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 272 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:21:59,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-17 04:21:59,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 693. [2024-11-17 04:21:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 580 states have (on average 1.353448275862069) internal successors, (785), 611 states have internal predecessors, (785), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-17 04:21:59,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 933 transitions. [2024-11-17 04:21:59,064 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 933 transitions. Word has length 75 [2024-11-17 04:21:59,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:59,064 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 933 transitions. [2024-11-17 04:21:59,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 933 transitions. [2024-11-17 04:21:59,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-17 04:21:59,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:59,065 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:21:59,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:59,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-17 04:21:59,270 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:59,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:59,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1034653981, now seen corresponding path program 1 times [2024-11-17 04:21:59,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:59,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265646343] [2024-11-17 04:21:59,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:59,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:59,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:59,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:59,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:59,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:59,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:59,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 04:21:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:59,358 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:59,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:59,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265646343] [2024-11-17 04:21:59,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265646343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:59,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:59,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:21:59,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421718477] [2024-11-17 04:21:59,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:59,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:21:59,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:59,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:21:59,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:59,361 INFO L87 Difference]: Start difference. First operand 693 states and 933 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:00,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:00,675 INFO L93 Difference]: Finished difference Result 997 states and 1367 transitions. [2024-11-17 04:22:00,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:22:00,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-11-17 04:22:00,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:00,680 INFO L225 Difference]: With dead ends: 997 [2024-11-17 04:22:00,680 INFO L226 Difference]: Without dead ends: 994 [2024-11-17 04:22:00,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:22:00,682 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 164 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:00,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 263 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 04:22:00,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2024-11-17 04:22:00,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 712. [2024-11-17 04:22:00,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 596 states have (on average 1.3406040268456376) internal successors, (799), 626 states have internal predecessors, (799), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-17 04:22:00,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 955 transitions. [2024-11-17 04:22:00,730 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 955 transitions. Word has length 76 [2024-11-17 04:22:00,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:00,731 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 955 transitions. [2024-11-17 04:22:00,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:00,731 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 955 transitions. [2024-11-17 04:22:00,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-17 04:22:00,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:00,732 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:00,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-17 04:22:00,732 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:00,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:00,733 INFO L85 PathProgramCache]: Analyzing trace with hash 140306085, now seen corresponding path program 1 times [2024-11-17 04:22:00,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:00,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614529968] [2024-11-17 04:22:00,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:00,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:00,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2120217907] [2024-11-17 04:22:00,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:00,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:00,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:00,761 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) [2024-11-17 04:22:00,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:22:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:00,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:22:00,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:22:01,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:22:01,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:01,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614529968] [2024-11-17 04:22:01,029 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:01,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120217907] [2024-11-17 04:22:01,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120217907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:01,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:01,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:22:01,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815156156] [2024-11-17 04:22:01,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:01,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:22:01,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:01,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:22:01,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:22:01,031 INFO L87 Difference]: Start difference. First operand 712 states and 955 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:01,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:01,344 INFO L93 Difference]: Finished difference Result 735 states and 991 transitions. [2024-11-17 04:22:01,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:22:01,345 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-11-17 04:22:01,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:01,348 INFO L225 Difference]: With dead ends: 735 [2024-11-17 04:22:01,348 INFO L226 Difference]: Without dead ends: 731 [2024-11-17 04:22:01,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:22:01,350 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 120 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:01,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 277 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:22:01,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-17 04:22:01,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 708. [2024-11-17 04:22:01,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 596 states have (on average 1.3187919463087248) internal successors, (786), 622 states have internal predecessors, (786), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-17 04:22:01,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 942 transitions. [2024-11-17 04:22:01,399 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 942 transitions. Word has length 76 [2024-11-17 04:22:01,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:01,399 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 942 transitions. [2024-11-17 04:22:01,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:01,400 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 942 transitions. [2024-11-17 04:22:01,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-17 04:22:01,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:01,400 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:22:01,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:22:01,600 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,SelfDestructingSolverStorable23 [2024-11-17 04:22:01,601 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:01,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:01,602 INFO L85 PathProgramCache]: Analyzing trace with hash -2009502293, now seen corresponding path program 1 times [2024-11-17 04:22:01,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:01,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351503324] [2024-11-17 04:22:01,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:01,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:01,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [640164478] [2024-11-17 04:22:01,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:01,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:01,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:01,637 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) [2024-11-17 04:22:01,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:22:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:01,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:22:01,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:01,964 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:22:01,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:02,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:02,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351503324] [2024-11-17 04:22:02,302 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:02,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640164478] [2024-11-17 04:22:02,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640164478] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:02,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:02,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:22:02,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620375783] [2024-11-17 04:22:02,302 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:02,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:22:02,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:02,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:22:02,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:22:02,303 INFO L87 Difference]: Start difference. First operand 708 states and 942 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:02,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:02,791 INFO L93 Difference]: Finished difference Result 739 states and 962 transitions. [2024-11-17 04:22:02,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:22:02,792 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-11-17 04:22:02,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:02,795 INFO L225 Difference]: With dead ends: 739 [2024-11-17 04:22:02,796 INFO L226 Difference]: Without dead ends: 732 [2024-11-17 04:22:02,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:22:02,797 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 300 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:02,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 267 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:22:02,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-11-17 04:22:02,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 706. [2024-11-17 04:22:02,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 594 states have (on average 1.3131313131313131) internal successors, (780), 620 states have internal predecessors, (780), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-17 04:22:02,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 936 transitions. [2024-11-17 04:22:02,841 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 936 transitions. Word has length 77 [2024-11-17 04:22:02,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:02,841 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 936 transitions. [2024-11-17 04:22:02,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 936 transitions. [2024-11-17 04:22:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-17 04:22:02,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:02,843 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:02,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:03,043 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,SelfDestructingSolverStorable24 [2024-11-17 04:22:03,044 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:03,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:03,044 INFO L85 PathProgramCache]: Analyzing trace with hash 54521367, now seen corresponding path program 1 times [2024-11-17 04:22:03,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:03,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645243735] [2024-11-17 04:22:03,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:03,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:03,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1724144842] [2024-11-17 04:22:03,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:03,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:03,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:03,060 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) [2024-11-17 04:22:03,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:22:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:03,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:22:03,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:22:03,280 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:03,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:03,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645243735] [2024-11-17 04:22:03,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:03,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724144842] [2024-11-17 04:22:03,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724144842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:03,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:03,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:22:03,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879478895] [2024-11-17 04:22:03,712 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:03,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:22:03,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:03,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:22:03,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:22:03,713 INFO L87 Difference]: Start difference. First operand 706 states and 936 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:04,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:04,058 INFO L93 Difference]: Finished difference Result 1118 states and 1542 transitions. [2024-11-17 04:22:04,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:22:04,058 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-11-17 04:22:04,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:04,063 INFO L225 Difference]: With dead ends: 1118 [2024-11-17 04:22:04,063 INFO L226 Difference]: Without dead ends: 1114 [2024-11-17 04:22:04,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:22:04,064 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 178 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:04,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 306 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:22:04,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-11-17 04:22:04,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 885. [2024-11-17 04:22:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 753 states have (on average 1.3173970783532536) internal successors, (992), 778 states have internal predecessors, (992), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-17 04:22:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1188 transitions. [2024-11-17 04:22:04,121 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1188 transitions. Word has length 77 [2024-11-17 04:22:04,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:04,121 INFO L471 AbstractCegarLoop]: Abstraction has 885 states and 1188 transitions. [2024-11-17 04:22:04,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:04,122 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1188 transitions. [2024-11-17 04:22:04,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-17 04:22:04,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:04,123 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:04,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:22:04,323 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,SelfDestructingSolverStorable25 [2024-11-17 04:22:04,324 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:04,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:04,324 INFO L85 PathProgramCache]: Analyzing trace with hash -639779091, now seen corresponding path program 1 times [2024-11-17 04:22:04,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:04,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414304256] [2024-11-17 04:22:04,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:04,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:04,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:04,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414304256] [2024-11-17 04:22:04,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414304256] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:04,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104592293] [2024-11-17 04:22:04,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:04,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:04,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:04,406 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) [2024-11-17 04:22:04,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:22:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:04,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:22:04,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:04,520 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:04,521 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:04,672 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:04,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104592293] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:04,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:04,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-17 04:22:04,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19619877] [2024-11-17 04:22:04,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:04,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:22:04,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:04,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:22:04,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:22:04,675 INFO L87 Difference]: Start difference. First operand 885 states and 1188 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-17 04:22:05,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:05,657 INFO L93 Difference]: Finished difference Result 1480 states and 2044 transitions. [2024-11-17 04:22:05,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:22:05,657 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 97 [2024-11-17 04:22:05,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:05,664 INFO L225 Difference]: With dead ends: 1480 [2024-11-17 04:22:05,664 INFO L226 Difference]: Without dead ends: 1478 [2024-11-17 04:22:05,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:22:05,666 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 274 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:05,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 446 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:22:05,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-11-17 04:22:05,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1166. [2024-11-17 04:22:05,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 993 states have (on average 1.3212487411883183) internal successors, (1312), 1017 states have internal predecessors, (1312), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-17 04:22:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1592 transitions. [2024-11-17 04:22:05,741 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1592 transitions. Word has length 97 [2024-11-17 04:22:05,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:05,742 INFO L471 AbstractCegarLoop]: Abstraction has 1166 states and 1592 transitions. [2024-11-17 04:22:05,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-17 04:22:05,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1592 transitions. [2024-11-17 04:22:05,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 04:22:05,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:05,743 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:05,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 04:22:05,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:05,944 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:05,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:05,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1641684672, now seen corresponding path program 1 times [2024-11-17 04:22:05,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:05,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527726404] [2024-11-17 04:22:05,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:05,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:06,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:06,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527726404] [2024-11-17 04:22:06,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527726404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:06,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914009672] [2024-11-17 04:22:06,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:06,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:06,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:06,044 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) [2024-11-17 04:22:06,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:22:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:06,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:22:06,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:06,164 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:06,334 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:06,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914009672] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:06,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:06,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-17 04:22:06,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166212843] [2024-11-17 04:22:06,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:06,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:22:06,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:06,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:22:06,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:22:06,336 INFO L87 Difference]: Start difference. First operand 1166 states and 1592 transitions. Second operand has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-17 04:22:07,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:07,247 INFO L93 Difference]: Finished difference Result 1516 states and 2057 transitions. [2024-11-17 04:22:07,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 04:22:07,248 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 98 [2024-11-17 04:22:07,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:07,254 INFO L225 Difference]: With dead ends: 1516 [2024-11-17 04:22:07,254 INFO L226 Difference]: Without dead ends: 1514 [2024-11-17 04:22:07,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:22:07,256 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 1158 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1163 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:07,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1163 Valid, 463 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:22:07,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2024-11-17 04:22:07,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1170. [2024-11-17 04:22:07,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 998 states have (on average 1.2885771543086173) internal successors, (1286), 1021 states have internal predecessors, (1286), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-17 04:22:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1566 transitions. [2024-11-17 04:22:07,366 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1566 transitions. Word has length 98 [2024-11-17 04:22:07,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:07,366 INFO L471 AbstractCegarLoop]: Abstraction has 1170 states and 1566 transitions. [2024-11-17 04:22:07,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-17 04:22:07,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1566 transitions. [2024-11-17 04:22:07,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 04:22:07,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:07,371 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:07,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 04:22:07,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-17 04:22:07,575 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:07,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:07,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1405972491, now seen corresponding path program 1 times [2024-11-17 04:22:07,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:07,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743783410] [2024-11-17 04:22:07,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:07,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,652 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:07,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:07,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743783410] [2024-11-17 04:22:07,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743783410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:07,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:07,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:22:07,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776904071] [2024-11-17 04:22:07,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:07,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:22:07,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:07,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:22:07,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:22:07,654 INFO L87 Difference]: Start difference. First operand 1170 states and 1566 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:22:07,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:07,757 INFO L93 Difference]: Finished difference Result 1170 states and 1566 transitions. [2024-11-17 04:22:07,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:22:07,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2024-11-17 04:22:07,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:07,763 INFO L225 Difference]: With dead ends: 1170 [2024-11-17 04:22:07,763 INFO L226 Difference]: Without dead ends: 1169 [2024-11-17 04:22:07,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:22:07,765 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 23 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:07,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 161 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:22:07,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2024-11-17 04:22:07,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1169. [2024-11-17 04:22:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 998 states have (on average 1.279559118236473) internal successors, (1277), 1020 states have internal predecessors, (1277), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-17 04:22:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1557 transitions. [2024-11-17 04:22:07,842 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1557 transitions. Word has length 100 [2024-11-17 04:22:07,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:07,843 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1557 transitions. [2024-11-17 04:22:07,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:22:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1557 transitions. [2024-11-17 04:22:07,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-17 04:22:07,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:07,845 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:07,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-17 04:22:07,845 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:07,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:07,845 INFO L85 PathProgramCache]: Analyzing trace with hash 805396839, now seen corresponding path program 1 times [2024-11-17 04:22:07,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:07,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602441029] [2024-11-17 04:22:07,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:07,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:07,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,016 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:08,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:08,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602441029] [2024-11-17 04:22:08,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602441029] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:08,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529922993] [2024-11-17 04:22:08,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:08,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:08,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:08,020 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) [2024-11-17 04:22:08,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:22:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:22:08,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:08,252 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:22:08,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529922993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:08,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:08,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-17 04:22:08,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014905805] [2024-11-17 04:22:08,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:08,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:22:08,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:08,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:22:08,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:22:08,254 INFO L87 Difference]: Start difference. First operand 1169 states and 1557 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:22:08,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:08,556 INFO L93 Difference]: Finished difference Result 1187 states and 1588 transitions. [2024-11-17 04:22:08,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:22:08,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 103 [2024-11-17 04:22:08,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:08,561 INFO L225 Difference]: With dead ends: 1187 [2024-11-17 04:22:08,561 INFO L226 Difference]: Without dead ends: 1186 [2024-11-17 04:22:08,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:22:08,562 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 85 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:08,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 148 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:22:08,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-11-17 04:22:08,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1168. [2024-11-17 04:22:08,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 998 states have (on average 1.2725450901803608) internal successors, (1270), 1019 states have internal predecessors, (1270), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-17 04:22:08,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1550 transitions. [2024-11-17 04:22:08,636 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1550 transitions. Word has length 103 [2024-11-17 04:22:08,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:08,637 INFO L471 AbstractCegarLoop]: Abstraction has 1168 states and 1550 transitions. [2024-11-17 04:22:08,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:22:08,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1550 transitions. [2024-11-17 04:22:08,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-17 04:22:08,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:08,638 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:08,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:08,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:08,839 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:08,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:08,839 INFO L85 PathProgramCache]: Analyzing trace with hash -802501784, now seen corresponding path program 1 times [2024-11-17 04:22:08,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:08,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57073934] [2024-11-17 04:22:08,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:08,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:08,967 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:08,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:08,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57073934] [2024-11-17 04:22:08,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57073934] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:08,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073699885] [2024-11-17 04:22:08,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:08,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:08,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:08,971 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) [2024-11-17 04:22:08,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:22:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:09,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:22:09,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:09,189 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:09,322 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:09,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073699885] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:09,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:09,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-17 04:22:09,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110807165] [2024-11-17 04:22:09,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:09,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:22:09,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:09,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:22:09,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:22:09,324 INFO L87 Difference]: Start difference. First operand 1168 states and 1550 transitions. Second operand has 11 states, 10 states have (on average 17.4) internal successors, (174), 11 states have internal predecessors, (174), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-17 04:22:09,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:09,837 INFO L93 Difference]: Finished difference Result 1621 states and 2168 transitions. [2024-11-17 04:22:09,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:22:09,837 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.4) internal successors, (174), 11 states have internal predecessors, (174), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 104 [2024-11-17 04:22:09,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:09,844 INFO L225 Difference]: With dead ends: 1621 [2024-11-17 04:22:09,844 INFO L226 Difference]: Without dead ends: 1619 [2024-11-17 04:22:09,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:22:09,846 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 331 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:09,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 370 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:22:09,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2024-11-17 04:22:09,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1340. [2024-11-17 04:22:09,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 1152 states have (on average 1.2708333333333333) internal successors, (1464), 1173 states have internal predecessors, (1464), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-17 04:22:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1780 transitions. [2024-11-17 04:22:09,956 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1780 transitions. Word has length 104 [2024-11-17 04:22:09,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:09,957 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 1780 transitions. [2024-11-17 04:22:09,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.4) internal successors, (174), 11 states have internal predecessors, (174), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-17 04:22:09,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1780 transitions. [2024-11-17 04:22:09,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-17 04:22:09,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:09,958 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:09,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:10,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:10,159 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:10,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:10,160 INFO L85 PathProgramCache]: Analyzing trace with hash 746877923, now seen corresponding path program 1 times [2024-11-17 04:22:10,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:10,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346715628] [2024-11-17 04:22:10,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:10,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:10,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:10,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:10,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:10,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:10,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:10,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 04:22:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:10,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:10,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:22:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:10,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-17 04:22:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:10,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 04:22:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:10,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:10,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346715628] [2024-11-17 04:22:10,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346715628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:10,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295938385] [2024-11-17 04:22:10,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:10,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:10,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:10,281 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) [2024-11-17 04:22:10,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:22:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:10,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:22:10,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:10,484 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:10,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295938385] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:10,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:10,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-17 04:22:10,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580200545] [2024-11-17 04:22:10,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:10,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:10,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:10,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:10,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:22:10,700 INFO L87 Difference]: Start difference. First operand 1340 states and 1780 transitions. Second operand has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-17 04:22:11,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:11,218 INFO L93 Difference]: Finished difference Result 1394 states and 1837 transitions. [2024-11-17 04:22:11,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:22:11,218 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 114 [2024-11-17 04:22:11,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:11,226 INFO L225 Difference]: With dead ends: 1394 [2024-11-17 04:22:11,226 INFO L226 Difference]: Without dead ends: 1393 [2024-11-17 04:22:11,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 242 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:22:11,227 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 448 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:11,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 362 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:22:11,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2024-11-17 04:22:11,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1261. [2024-11-17 04:22:11,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1084 states have (on average 1.2675276752767528) internal successors, (1374), 1104 states have internal predecessors, (1374), 148 states have call successors, (148), 8 states have call predecessors, (148), 8 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-17 04:22:11,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1670 transitions. [2024-11-17 04:22:11,311 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1670 transitions. Word has length 114 [2024-11-17 04:22:11,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:11,312 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1670 transitions. [2024-11-17 04:22:11,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-17 04:22:11,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1670 transitions. [2024-11-17 04:22:11,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-17 04:22:11,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:11,313 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:11,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-17 04:22:11,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:11,514 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:11,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:11,514 INFO L85 PathProgramCache]: Analyzing trace with hash 2012824797, now seen corresponding path program 1 times [2024-11-17 04:22:11,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:11,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239782308] [2024-11-17 04:22:11,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:11,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:22:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:11,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:11,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239782308] [2024-11-17 04:22:11,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239782308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:11,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773395601] [2024-11-17 04:22:11,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:11,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:11,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:11,669 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) [2024-11-17 04:22:11,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:22:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:22:11,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:11,921 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-17 04:22:11,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:12,127 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:12,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773395601] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:12,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:12,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2024-11-17 04:22:12,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070257002] [2024-11-17 04:22:12,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:12,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 04:22:12,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:12,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 04:22:12,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:22:12,130 INFO L87 Difference]: Start difference. First operand 1261 states and 1670 transitions. Second operand has 24 states, 23 states have (on average 8.956521739130435) internal successors, (206), 24 states have internal predecessors, (206), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-17 04:22:12,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:12,922 INFO L93 Difference]: Finished difference Result 2113 states and 2706 transitions. [2024-11-17 04:22:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-17 04:22:12,923 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.956521739130435) internal successors, (206), 24 states have internal predecessors, (206), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 117 [2024-11-17 04:22:12,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:12,932 INFO L225 Difference]: With dead ends: 2113 [2024-11-17 04:22:12,933 INFO L226 Difference]: Without dead ends: 1820 [2024-11-17 04:22:12,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2024-11-17 04:22:12,936 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 519 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:12,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 882 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:22:12,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2024-11-17 04:22:13,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1563. [2024-11-17 04:22:13,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1563 states, 1347 states have (on average 1.250927988121752) internal successors, (1685), 1367 states have internal predecessors, (1685), 181 states have call successors, (181), 14 states have call predecessors, (181), 14 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-17 04:22:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2047 transitions. [2024-11-17 04:22:13,055 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2047 transitions. Word has length 117 [2024-11-17 04:22:13,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:13,057 INFO L471 AbstractCegarLoop]: Abstraction has 1563 states and 2047 transitions. [2024-11-17 04:22:13,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.956521739130435) internal successors, (206), 24 states have internal predecessors, (206), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-17 04:22:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2047 transitions. [2024-11-17 04:22:13,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-17 04:22:13,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:13,059 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:13,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-17 04:22:13,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:13,264 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:13,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:13,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1788592194, now seen corresponding path program 1 times [2024-11-17 04:22:13,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:13,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322589890] [2024-11-17 04:22:13,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:13,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:13,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [351665748] [2024-11-17 04:22:13,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:13,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:13,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:13,283 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) [2024-11-17 04:22:13,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:22:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:13,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:22:13,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:13,945 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:14,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:14,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322589890] [2024-11-17 04:22:14,168 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:14,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351665748] [2024-11-17 04:22:14,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351665748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:14,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:14,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:22:14,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919681518] [2024-11-17 04:22:14,169 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:14,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:14,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:14,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:14,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:14,171 INFO L87 Difference]: Start difference. First operand 1563 states and 2047 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:14,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:14,999 INFO L93 Difference]: Finished difference Result 2982 states and 3996 transitions. [2024-11-17 04:22:15,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:22:15,000 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 118 [2024-11-17 04:22:15,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:15,009 INFO L225 Difference]: With dead ends: 2982 [2024-11-17 04:22:15,009 INFO L226 Difference]: Without dead ends: 2979 [2024-11-17 04:22:15,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:22:15,010 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 318 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:15,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 377 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:22:15,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2024-11-17 04:22:15,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 1625. [2024-11-17 04:22:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1625 states, 1400 states have (on average 1.2507142857142857) internal successors, (1751), 1420 states have internal predecessors, (1751), 190 states have call successors, (190), 14 states have call predecessors, (190), 14 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-17 04:22:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 2131 transitions. [2024-11-17 04:22:15,135 INFO L78 Accepts]: Start accepts. Automaton has 1625 states and 2131 transitions. Word has length 118 [2024-11-17 04:22:15,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:15,135 INFO L471 AbstractCegarLoop]: Abstraction has 1625 states and 2131 transitions. [2024-11-17 04:22:15,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:15,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 2131 transitions. [2024-11-17 04:22:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-17 04:22:15,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:15,137 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:15,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-17 04:22:15,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-17 04:22:15,341 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:15,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:15,341 INFO L85 PathProgramCache]: Analyzing trace with hash -388216784, now seen corresponding path program 1 times [2024-11-17 04:22:15,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:15,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570415805] [2024-11-17 04:22:15,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:15,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:15,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1769925500] [2024-11-17 04:22:15,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:15,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:15,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:15,359 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) [2024-11-17 04:22:15,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:22:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:15,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:22:15,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:15,905 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:15,905 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:16,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:16,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570415805] [2024-11-17 04:22:16,523 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:16,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769925500] [2024-11-17 04:22:16,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769925500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:16,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:16,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:22:16,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195775617] [2024-11-17 04:22:16,524 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:16,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:16,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:16,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:16,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:16,525 INFO L87 Difference]: Start difference. First operand 1625 states and 2131 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:16,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:16,931 INFO L93 Difference]: Finished difference Result 1797 states and 2344 transitions. [2024-11-17 04:22:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 04:22:16,932 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 119 [2024-11-17 04:22:16,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:16,940 INFO L225 Difference]: With dead ends: 1797 [2024-11-17 04:22:16,940 INFO L226 Difference]: Without dead ends: 1794 [2024-11-17 04:22:16,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:16,942 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 105 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:16,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 329 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:22:16,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2024-11-17 04:22:17,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1753. [2024-11-17 04:22:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 1511 states have (on average 1.2495036399735275) internal successors, (1888), 1531 states have internal predecessors, (1888), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2024-11-17 04:22:17,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2302 transitions. [2024-11-17 04:22:17,068 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2302 transitions. Word has length 119 [2024-11-17 04:22:17,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:17,069 INFO L471 AbstractCegarLoop]: Abstraction has 1753 states and 2302 transitions. [2024-11-17 04:22:17,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2302 transitions. [2024-11-17 04:22:17,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-17 04:22:17,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:17,070 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:17,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-17 04:22:17,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-17 04:22:17,275 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:17,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:17,275 INFO L85 PathProgramCache]: Analyzing trace with hash 850181632, now seen corresponding path program 1 times [2024-11-17 04:22:17,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:17,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46911967] [2024-11-17 04:22:17,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:17,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 04:22:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:17,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:17,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46911967] [2024-11-17 04:22:17,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46911967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:17,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:17,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:22:17,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085813901] [2024-11-17 04:22:17,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:17,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:22:17,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:17,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:22:17,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:22:17,434 INFO L87 Difference]: Start difference. First operand 1753 states and 2302 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:22:18,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:18,314 INFO L93 Difference]: Finished difference Result 1760 states and 2305 transitions. [2024-11-17 04:22:18,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:22:18,315 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 120 [2024-11-17 04:22:18,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:18,326 INFO L225 Difference]: With dead ends: 1760 [2024-11-17 04:22:18,329 INFO L226 Difference]: Without dead ends: 1758 [2024-11-17 04:22:18,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:18,331 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 116 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:18,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 246 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:22:18,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2024-11-17 04:22:18,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1715. [2024-11-17 04:22:18,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1479 states have (on average 1.2420554428668018) internal successors, (1837), 1497 states have internal predecessors, (1837), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-17 04:22:18,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2243 transitions. [2024-11-17 04:22:18,450 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2243 transitions. Word has length 120 [2024-11-17 04:22:18,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:18,451 INFO L471 AbstractCegarLoop]: Abstraction has 1715 states and 2243 transitions. [2024-11-17 04:22:18,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:22:18,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2243 transitions. [2024-11-17 04:22:18,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-17 04:22:18,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:18,452 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:18,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-17 04:22:18,453 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:18,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:18,453 INFO L85 PathProgramCache]: Analyzing trace with hash 585826862, now seen corresponding path program 1 times [2024-11-17 04:22:18,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:18,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961204637] [2024-11-17 04:22:18,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:18,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:18,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [720837202] [2024-11-17 04:22:18,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:18,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:18,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:18,472 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) [2024-11-17 04:22:18,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:22:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:18,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:22:18,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:18,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:19,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:19,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961204637] [2024-11-17 04:22:19,369 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:19,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720837202] [2024-11-17 04:22:19,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720837202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:19,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:19,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:22:19,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779356532] [2024-11-17 04:22:19,370 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:19,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:22:19,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:19,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:22:19,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:22:19,371 INFO L87 Difference]: Start difference. First operand 1715 states and 2243 transitions. Second operand has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:22:19,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:19,959 INFO L93 Difference]: Finished difference Result 1741 states and 2259 transitions. [2024-11-17 04:22:19,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:22:19,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 121 [2024-11-17 04:22:19,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:19,970 INFO L225 Difference]: With dead ends: 1741 [2024-11-17 04:22:19,970 INFO L226 Difference]: Without dead ends: 1734 [2024-11-17 04:22:19,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:22:19,971 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 239 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:19,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 391 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:22:19,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2024-11-17 04:22:20,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1564. [2024-11-17 04:22:20,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1348 states have (on average 1.239614243323442) internal successors, (1671), 1367 states have internal predecessors, (1671), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-17 04:22:20,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2037 transitions. [2024-11-17 04:22:20,085 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2037 transitions. Word has length 121 [2024-11-17 04:22:20,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:20,085 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2037 transitions. [2024-11-17 04:22:20,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:22:20,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2037 transitions. [2024-11-17 04:22:20,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-17 04:22:20,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:20,087 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:20,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-17 04:22:20,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-17 04:22:20,287 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:20,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:20,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1645116774, now seen corresponding path program 2 times [2024-11-17 04:22:20,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:20,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494564783] [2024-11-17 04:22:20,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:20,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:20,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1916992640] [2024-11-17 04:22:20,302 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:20,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:20,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:20,304 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) [2024-11-17 04:22:20,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:22:20,370 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:20,371 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:20,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:22:20,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:20,684 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-17 04:22:20,684 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:21,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:21,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494564783] [2024-11-17 04:22:21,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:21,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916992640] [2024-11-17 04:22:21,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916992640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:21,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:21,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-17 04:22:21,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223523485] [2024-11-17 04:22:21,114 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:21,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:22:21,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:21,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:22:21,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:21,115 INFO L87 Difference]: Start difference. First operand 1564 states and 2037 transitions. Second operand has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:21,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:21,629 INFO L93 Difference]: Finished difference Result 1904 states and 2525 transitions. [2024-11-17 04:22:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:22:21,629 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 121 [2024-11-17 04:22:21,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:21,634 INFO L225 Difference]: With dead ends: 1904 [2024-11-17 04:22:21,635 INFO L226 Difference]: Without dead ends: 1900 [2024-11-17 04:22:21,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:21,636 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 228 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:21,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 535 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:22:21,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2024-11-17 04:22:21,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1564. [2024-11-17 04:22:21,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1348 states have (on average 1.2262611275964392) internal successors, (1653), 1367 states have internal predecessors, (1653), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-17 04:22:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2019 transitions. [2024-11-17 04:22:21,748 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2019 transitions. Word has length 121 [2024-11-17 04:22:21,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:21,749 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2019 transitions. [2024-11-17 04:22:21,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:21,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2019 transitions. [2024-11-17 04:22:21,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-17 04:22:21,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:21,750 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:22:21,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-17 04:22:21,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:21,955 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:21,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:21,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1313429609, now seen corresponding path program 2 times [2024-11-17 04:22:21,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:21,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114526444] [2024-11-17 04:22:21,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:21,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 04:22:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:22:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-17 04:22:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 04:22:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-17 04:22:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,047 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:22:22,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:22,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114526444] [2024-11-17 04:22:22,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114526444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:22,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:22,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:22:22,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924760189] [2024-11-17 04:22:22,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:22,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:22:22,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:22,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:22:22,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:22:22,049 INFO L87 Difference]: Start difference. First operand 1564 states and 2019 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-17 04:22:22,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:22,569 INFO L93 Difference]: Finished difference Result 2728 states and 3571 transitions. [2024-11-17 04:22:22,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:22:22,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 132 [2024-11-17 04:22:22,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:22,577 INFO L225 Difference]: With dead ends: 2728 [2024-11-17 04:22:22,579 INFO L226 Difference]: Without dead ends: 1604 [2024-11-17 04:22:22,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:22:22,582 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 60 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:22,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 198 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:22:22,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2024-11-17 04:22:22,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1529. [2024-11-17 04:22:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1317 states have (on average 1.2369020501138952) internal successors, (1629), 1335 states have internal predecessors, (1629), 181 states have call successors, (181), 12 states have call predecessors, (181), 12 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-17 04:22:22,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 1991 transitions. [2024-11-17 04:22:22,692 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 1991 transitions. Word has length 132 [2024-11-17 04:22:22,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:22,692 INFO L471 AbstractCegarLoop]: Abstraction has 1529 states and 1991 transitions. [2024-11-17 04:22:22,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-17 04:22:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1991 transitions. [2024-11-17 04:22:22,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-17 04:22:22,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:22,694 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:22:22,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-17 04:22:22,694 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:22,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:22,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1052674772, now seen corresponding path program 1 times [2024-11-17 04:22:22,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:22,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661255839] [2024-11-17 04:22:22,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:22,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 04:22:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,868 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:22:22,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:22,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661255839] [2024-11-17 04:22:22,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661255839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:22,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034734902] [2024-11-17 04:22:22,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:22,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:22,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:22,871 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) [2024-11-17 04:22:22,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:22:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:22,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:22:22,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:23,085 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 217 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:22:23,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:23,307 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:22:23,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034734902] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:23,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:23,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-17 04:22:23,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406155389] [2024-11-17 04:22:23,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:23,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 04:22:23,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:23,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 04:22:23,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:22:23,309 INFO L87 Difference]: Start difference. First operand 1529 states and 1991 transitions. Second operand has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-11-17 04:22:23,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:23,853 INFO L93 Difference]: Finished difference Result 2240 states and 2862 transitions. [2024-11-17 04:22:23,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-17 04:22:23,854 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 134 [2024-11-17 04:22:23,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:23,858 INFO L225 Difference]: With dead ends: 2240 [2024-11-17 04:22:23,859 INFO L226 Difference]: Without dead ends: 1697 [2024-11-17 04:22:23,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=467, Invalid=1513, Unknown=0, NotChecked=0, Total=1980 [2024-11-17 04:22:23,861 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 253 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:23,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 795 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:22:23,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2024-11-17 04:22:23,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1643. [2024-11-17 04:22:23,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1643 states, 1414 states have (on average 1.21994342291372) internal successors, (1725), 1434 states have internal predecessors, (1725), 190 states have call successors, (190), 20 states have call predecessors, (190), 20 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-17 04:22:23,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 2105 transitions. [2024-11-17 04:22:23,971 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 2105 transitions. Word has length 134 [2024-11-17 04:22:23,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:23,972 INFO L471 AbstractCegarLoop]: Abstraction has 1643 states and 2105 transitions. [2024-11-17 04:22:23,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 22 states have internal predecessors, (171), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-11-17 04:22:23,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2105 transitions. [2024-11-17 04:22:23,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-17 04:22:23,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:23,974 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:23,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-17 04:22:24,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-17 04:22:24,178 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:24,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:24,178 INFO L85 PathProgramCache]: Analyzing trace with hash 378198815, now seen corresponding path program 2 times [2024-11-17 04:22:24,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:24,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16081791] [2024-11-17 04:22:24,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:24,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:24,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1779005161] [2024-11-17 04:22:24,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:24,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:24,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:24,217 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) [2024-11-17 04:22:24,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-17 04:22:24,286 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:24,286 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:24,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:22:24,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:22:24,766 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:22:24,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:24,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16081791] [2024-11-17 04:22:24,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:24,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779005161] [2024-11-17 04:22:24,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779005161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:24,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:24,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-17 04:22:24,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828663762] [2024-11-17 04:22:24,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:24,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:24,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:24,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:24,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:22:24,768 INFO L87 Difference]: Start difference. First operand 1643 states and 2105 transitions. Second operand has 10 states, 9 states have (on average 10.555555555555555) internal successors, (95), 10 states have internal predecessors, (95), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-17 04:22:25,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:25,246 INFO L93 Difference]: Finished difference Result 2251 states and 2930 transitions. [2024-11-17 04:22:25,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:22:25,247 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.555555555555555) internal successors, (95), 10 states have internal predecessors, (95), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 162 [2024-11-17 04:22:25,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:25,252 INFO L225 Difference]: With dead ends: 2251 [2024-11-17 04:22:25,252 INFO L226 Difference]: Without dead ends: 2248 [2024-11-17 04:22:25,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:25,253 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 257 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:25,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 578 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:22:25,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2248 states. [2024-11-17 04:22:25,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2248 to 1175. [2024-11-17 04:22:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 1005 states have (on average 1.181094527363184) internal successors, (1187), 1022 states have internal predecessors, (1187), 134 states have call successors, (134), 20 states have call predecessors, (134), 20 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-17 04:22:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1455 transitions. [2024-11-17 04:22:25,342 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1455 transitions. Word has length 162 [2024-11-17 04:22:25,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:25,342 INFO L471 AbstractCegarLoop]: Abstraction has 1175 states and 1455 transitions. [2024-11-17 04:22:25,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.555555555555555) internal successors, (95), 10 states have internal predecessors, (95), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-17 04:22:25,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1455 transitions. [2024-11-17 04:22:25,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-17 04:22:25,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:25,344 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:25,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:25,544 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,SelfDestructingSolverStorable40 [2024-11-17 04:22:25,544 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:25,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:25,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1160738573, now seen corresponding path program 2 times [2024-11-17 04:22:25,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:25,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218057391] [2024-11-17 04:22:25,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:25,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:25,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1564855648] [2024-11-17 04:22:25,562 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:25,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:25,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:25,564 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) [2024-11-17 04:22:25,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-17 04:22:25,635 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:25,636 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:25,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:22:25,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:26,214 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:22:26,214 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:26,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:26,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218057391] [2024-11-17 04:22:26,816 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:26,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564855648] [2024-11-17 04:22:26,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564855648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:26,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:26,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:22:26,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406967762] [2024-11-17 04:22:26,817 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:26,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:22:26,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:26,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:22:26,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:22:26,818 INFO L87 Difference]: Start difference. First operand 1175 states and 1455 transitions. Second operand has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 12 states have internal predecessors, (96), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:22:27,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:27,431 INFO L93 Difference]: Finished difference Result 1329 states and 1645 transitions. [2024-11-17 04:22:27,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:22:27,431 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 12 states have internal predecessors, (96), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 163 [2024-11-17 04:22:27,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:27,435 INFO L225 Difference]: With dead ends: 1329 [2024-11-17 04:22:27,435 INFO L226 Difference]: Without dead ends: 1326 [2024-11-17 04:22:27,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:22:27,436 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 98 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:27,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 526 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:22:27,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-11-17 04:22:27,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1287. [2024-11-17 04:22:27,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1287 states, 1101 states have (on average 1.1852861035422344) internal successors, (1305), 1118 states have internal predecessors, (1305), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-17 04:22:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1605 transitions. [2024-11-17 04:22:27,522 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1605 transitions. Word has length 163 [2024-11-17 04:22:27,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:27,522 INFO L471 AbstractCegarLoop]: Abstraction has 1287 states and 1605 transitions. [2024-11-17 04:22:27,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 12 states have internal predecessors, (96), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:22:27,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1605 transitions. [2024-11-17 04:22:27,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-17 04:22:27,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:27,524 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:27,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-17 04:22:27,727 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,SelfDestructingSolverStorable41 [2024-11-17 04:22:27,728 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:27,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:27,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1221729841, now seen corresponding path program 2 times [2024-11-17 04:22:27,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:27,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815243242] [2024-11-17 04:22:27,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:27,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:27,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [791391467] [2024-11-17 04:22:27,750 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:27,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:27,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:27,753 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) [2024-11-17 04:22:27,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-17 04:22:27,822 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:27,823 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:27,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-17 04:22:27,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:28,357 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:22:28,357 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:30,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:30,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815243242] [2024-11-17 04:22:30,280 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:30,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791391467] [2024-11-17 04:22:30,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791391467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:30,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:30,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:22:30,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911579998] [2024-11-17 04:22:30,281 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:30,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:22:30,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:30,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:22:30,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:22:30,282 INFO L87 Difference]: Start difference. First operand 1287 states and 1605 transitions. Second operand has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-17 04:22:30,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:30,940 INFO L93 Difference]: Finished difference Result 1316 states and 1622 transitions. [2024-11-17 04:22:30,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:22:30,941 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 165 [2024-11-17 04:22:30,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:30,945 INFO L225 Difference]: With dead ends: 1316 [2024-11-17 04:22:30,945 INFO L226 Difference]: Without dead ends: 1309 [2024-11-17 04:22:30,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:22:30,948 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 102 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:30,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 606 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:22:30,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2024-11-17 04:22:31,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1203. [2024-11-17 04:22:31,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 1029 states have (on average 1.1720116618075802) internal successors, (1206), 1046 states have internal predecessors, (1206), 138 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-17 04:22:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1482 transitions. [2024-11-17 04:22:31,074 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1482 transitions. Word has length 165 [2024-11-17 04:22:31,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:31,075 INFO L471 AbstractCegarLoop]: Abstraction has 1203 states and 1482 transitions. [2024-11-17 04:22:31,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-17 04:22:31,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1482 transitions. [2024-11-17 04:22:31,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-17 04:22:31,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:31,076 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:31,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:31,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:31,277 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:31,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:31,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1009213795, now seen corresponding path program 3 times [2024-11-17 04:22:31,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:31,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558524409] [2024-11-17 04:22:31,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:31,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:31,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [457547059] [2024-11-17 04:22:31,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:22:31,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:31,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:31,311 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) [2024-11-17 04:22:31,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-17 04:22:31,363 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 04:22:31,363 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:31,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:22:31,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 45 proven. 33 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2024-11-17 04:22:31,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:32,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:32,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558524409] [2024-11-17 04:22:32,441 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:32,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457547059] [2024-11-17 04:22:32,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457547059] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:32,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:32,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:22:32,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407822848] [2024-11-17 04:22:32,441 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:32,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:32,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:32,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:32,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:32,442 INFO L87 Difference]: Start difference. First operand 1203 states and 1482 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:22:33,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:33,107 INFO L93 Difference]: Finished difference Result 1452 states and 1801 transitions. [2024-11-17 04:22:33,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:22:33,107 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 165 [2024-11-17 04:22:33,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:33,111 INFO L225 Difference]: With dead ends: 1452 [2024-11-17 04:22:33,111 INFO L226 Difference]: Without dead ends: 1448 [2024-11-17 04:22:33,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:22:33,112 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 362 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:33,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 423 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:22:33,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states. [2024-11-17 04:22:33,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 1190. [2024-11-17 04:22:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1190 states, 1016 states have (on average 1.155511811023622) internal successors, (1174), 1033 states have internal predecessors, (1174), 138 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-17 04:22:33,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1450 transitions. [2024-11-17 04:22:33,217 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1450 transitions. Word has length 165 [2024-11-17 04:22:33,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:33,217 INFO L471 AbstractCegarLoop]: Abstraction has 1190 states and 1450 transitions. [2024-11-17 04:22:33,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:22:33,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1450 transitions. [2024-11-17 04:22:33,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-17 04:22:33,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:33,218 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:33,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-17 04:22:33,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:33,423 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:33,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:33,423 INFO L85 PathProgramCache]: Analyzing trace with hash -953308026, now seen corresponding path program 3 times [2024-11-17 04:22:33,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:33,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170297231] [2024-11-17 04:22:33,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:33,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:33,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [233137017] [2024-11-17 04:22:33,448 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:22:33,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:33,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:33,450 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) [2024-11-17 04:22:33,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-17 04:22:33,568 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-17 04:22:33,568 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:33,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-17 04:22:33,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:34,759 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 97 proven. 86 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-17 04:22:34,759 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:35,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:35,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170297231] [2024-11-17 04:22:35,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:35,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233137017] [2024-11-17 04:22:35,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233137017] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:35,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:35,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-17 04:22:35,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022881081] [2024-11-17 04:22:35,699 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:35,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:22:35,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:35,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:22:35,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:22:35,700 INFO L87 Difference]: Start difference. First operand 1190 states and 1450 transitions. Second operand has 13 states, 12 states have (on average 7.916666666666667) internal successors, (95), 13 states have internal predecessors, (95), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-17 04:22:37,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-17 04:22:44,796 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 [0] [2024-11-17 04:22:45,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:45,099 INFO L93 Difference]: Finished difference Result 1750 states and 2166 transitions. [2024-11-17 04:22:45,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:22:45,100 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.916666666666667) internal successors, (95), 13 states have internal predecessors, (95), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 176 [2024-11-17 04:22:45,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:45,103 INFO L225 Difference]: With dead ends: 1750 [2024-11-17 04:22:45,104 INFO L226 Difference]: Without dead ends: 1747 [2024-11-17 04:22:45,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:22:45,104 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 181 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:45,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 360 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 528 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2024-11-17 04:22:45,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2024-11-17 04:22:45,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1627. [2024-11-17 04:22:45,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1627 states, 1397 states have (on average 1.1696492483894059) internal successors, (1634), 1414 states have internal predecessors, (1634), 194 states have call successors, (194), 20 states have call predecessors, (194), 20 states have return successors, (194), 192 states have call predecessors, (194), 194 states have call successors, (194) [2024-11-17 04:22:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2022 transitions. [2024-11-17 04:22:45,247 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2022 transitions. Word has length 176 [2024-11-17 04:22:45,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:45,247 INFO L471 AbstractCegarLoop]: Abstraction has 1627 states and 2022 transitions. [2024-11-17 04:22:45,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.916666666666667) internal successors, (95), 13 states have internal predecessors, (95), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-17 04:22:45,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2022 transitions. [2024-11-17 04:22:45,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-17 04:22:45,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:45,248 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-17 04:22:45,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:45,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:45,449 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:45,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:45,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1300977404, now seen corresponding path program 3 times [2024-11-17 04:22:45,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:45,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757880639] [2024-11-17 04:22:45,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:45,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:45,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139274465] [2024-11-17 04:22:45,471 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:22:45,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:45,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:45,473 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) [2024-11-17 04:22:45,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-17 04:22:45,574 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-17 04:22:45,574 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:45,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:22:45,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:45,960 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 66 proven. 86 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-17 04:22:45,960 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:46,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:46,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757880639] [2024-11-17 04:22:46,157 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:46,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139274465] [2024-11-17 04:22:46,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139274465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:46,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:46,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-17 04:22:46,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596706374] [2024-11-17 04:22:46,158 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:46,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:22:46,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:46,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:22:46,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:22:46,159 INFO L87 Difference]: Start difference. First operand 1627 states and 2022 transitions. Second operand has 11 states, 10 states have (on average 9.3) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-17 04:22:47,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:47,511 INFO L93 Difference]: Finished difference Result 1666 states and 2069 transitions. [2024-11-17 04:22:47,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 04:22:47,511 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.3) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 178 [2024-11-17 04:22:47,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:47,515 INFO L225 Difference]: With dead ends: 1666 [2024-11-17 04:22:47,516 INFO L226 Difference]: Without dead ends: 1608 [2024-11-17 04:22:47,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:22:47,518 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 251 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:47,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 246 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:22:47,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2024-11-17 04:22:47,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1468. [2024-11-17 04:22:47,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1468 states, 1262 states have (on average 1.1386687797147386) internal successors, (1437), 1275 states have internal predecessors, (1437), 172 states have call successors, (172), 20 states have call predecessors, (172), 20 states have return successors, (172), 172 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-17 04:22:47,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1781 transitions. [2024-11-17 04:22:47,695 INFO L78 Accepts]: Start accepts. Automaton has 1468 states and 1781 transitions. Word has length 178 [2024-11-17 04:22:47,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:47,696 INFO L471 AbstractCegarLoop]: Abstraction has 1468 states and 1781 transitions. [2024-11-17 04:22:47,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.3) internal successors, (93), 11 states have internal predecessors, (93), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-17 04:22:47,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1781 transitions. [2024-11-17 04:22:47,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-17 04:22:47,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:47,698 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:47,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:47,898 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,SelfDestructingSolverStorable45 [2024-11-17 04:22:47,898 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:47,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:47,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1737782390, now seen corresponding path program 2 times [2024-11-17 04:22:47,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:47,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122680113] [2024-11-17 04:22:47,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:47,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:22:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-17 04:22:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-17 04:22:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-17 04:22:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-17 04:22:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-17 04:22:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-17 04:22:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-17 04:22:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-17 04:22:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-17 04:22:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-17 04:22:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-17 04:22:48,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:48,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122680113] [2024-11-17 04:22:48,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122680113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:48,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14719922] [2024-11-17 04:22:48,075 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:48,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:48,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:48,077 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) [2024-11-17 04:22:48,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-17 04:22:48,155 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:48,156 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:48,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:22:48,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-17 04:22:48,311 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-17 04:22:48,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14719922] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:48,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:48,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-17 04:22:48,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615390194] [2024-11-17 04:22:48,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:48,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:22:48,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:48,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:22:48,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:48,589 INFO L87 Difference]: Start difference. First operand 1468 states and 1781 transitions. Second operand has 14 states, 13 states have (on average 18.153846153846153) internal successors, (236), 14 states have internal predecessors, (236), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-17 04:22:49,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:49,592 INFO L93 Difference]: Finished difference Result 2804 states and 3496 transitions. [2024-11-17 04:22:49,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 04:22:49,593 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 18.153846153846153) internal successors, (236), 14 states have internal predecessors, (236), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 229 [2024-11-17 04:22:49,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:49,599 INFO L225 Difference]: With dead ends: 2804 [2024-11-17 04:22:49,599 INFO L226 Difference]: Without dead ends: 2803 [2024-11-17 04:22:49,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:22:49,601 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 792 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:49,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 685 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:22:49,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2024-11-17 04:22:49,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 2004. [2024-11-17 04:22:49,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2004 states, 1715 states have (on average 1.1755102040816328) internal successors, (2016), 1728 states have internal predecessors, (2016), 255 states have call successors, (255), 20 states have call predecessors, (255), 20 states have return successors, (255), 255 states have call predecessors, (255), 255 states have call successors, (255) [2024-11-17 04:22:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 2526 transitions. [2024-11-17 04:22:49,849 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 2526 transitions. Word has length 229 [2024-11-17 04:22:49,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:49,850 INFO L471 AbstractCegarLoop]: Abstraction has 2004 states and 2526 transitions. [2024-11-17 04:22:49,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 18.153846153846153) internal successors, (236), 14 states have internal predecessors, (236), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-17 04:22:49,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2526 transitions. [2024-11-17 04:22:49,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-17 04:22:49,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:49,852 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:49,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:50,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-17 04:22:50,053 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:50,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:50,053 INFO L85 PathProgramCache]: Analyzing trace with hash -350174324, now seen corresponding path program 1 times [2024-11-17 04:22:50,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:50,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132117950] [2024-11-17 04:22:50,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:50,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 04:22:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-17 04:22:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:22:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-17 04:22:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-17 04:22:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-17 04:22:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-17 04:22:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-17 04:22:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-17 04:22:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-17 04:22:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-17 04:22:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-17 04:22:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-17 04:22:50,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:50,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132117950] [2024-11-17 04:22:50,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132117950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:50,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517346851] [2024-11-17 04:22:50,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:50,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:50,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:50,329 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) [2024-11-17 04:22:50,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-17 04:22:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:22:50,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 591 proven. 51 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-11-17 04:22:50,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 143 proven. 51 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2024-11-17 04:22:50,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517346851] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:50,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:50,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-11-17 04:22:50,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482881909] [2024-11-17 04:22:50,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:50,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 04:22:50,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:50,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 04:22:50,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:22:50,710 INFO L87 Difference]: Start difference. First operand 2004 states and 2526 transitions. Second operand has 15 states, 15 states have (on average 17.466666666666665) internal successors, (262), 15 states have internal predecessors, (262), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-11-17 04:22:52,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:52,166 INFO L93 Difference]: Finished difference Result 3518 states and 4512 transitions. [2024-11-17 04:22:52,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-17 04:22:52,167 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 17.466666666666665) internal successors, (262), 15 states have internal predecessors, (262), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) Word has length 249 [2024-11-17 04:22:52,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:52,172 INFO L225 Difference]: With dead ends: 3518 [2024-11-17 04:22:52,172 INFO L226 Difference]: Without dead ends: 2099 [2024-11-17 04:22:52,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 534 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:22:52,175 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 385 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:52,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 865 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 04:22:52,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2099 states. [2024-11-17 04:22:52,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 1987. [2024-11-17 04:22:52,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1703 states have (on average 1.186729301233118) internal successors, (2021), 1716 states have internal predecessors, (2021), 254 states have call successors, (254), 16 states have call predecessors, (254), 16 states have return successors, (254), 254 states have call predecessors, (254), 254 states have call successors, (254) [2024-11-17 04:22:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 2529 transitions. [2024-11-17 04:22:52,409 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 2529 transitions. Word has length 249 [2024-11-17 04:22:52,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:52,410 INFO L471 AbstractCegarLoop]: Abstraction has 1987 states and 2529 transitions. [2024-11-17 04:22:52,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 17.466666666666665) internal successors, (262), 15 states have internal predecessors, (262), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-11-17 04:22:52,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2529 transitions. [2024-11-17 04:22:52,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-17 04:22:52,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:52,411 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:52,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:52,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:52,612 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:52,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:52,612 INFO L85 PathProgramCache]: Analyzing trace with hash 17172312, now seen corresponding path program 2 times [2024-11-17 04:22:52,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:52,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879575435] [2024-11-17 04:22:52,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:52,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:22:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-17 04:22:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-17 04:22:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-17 04:22:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-17 04:22:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-17 04:22:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-17 04:22:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-17 04:22:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-17 04:22:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-17 04:22:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-17 04:22:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-17 04:22:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-17 04:22:52,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:52,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879575435] [2024-11-17 04:22:52,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879575435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:52,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196258188] [2024-11-17 04:22:52,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:52,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:52,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:52,882 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:22:52,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-17 04:22:52,971 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:52,971 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:52,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:22:52,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-17 04:22:53,282 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:53,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-17 04:22:53,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196258188] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:53,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:53,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-17 04:22:53,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12009234] [2024-11-17 04:22:53,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:53,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 04:22:53,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:53,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 04:22:53,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:22:53,561 INFO L87 Difference]: Start difference. First operand 1987 states and 2529 transitions. Second operand has 22 states, 21 states have (on average 19.19047619047619) internal successors, (403), 22 states have internal predecessors, (403), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-17 04:22:54,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:54,798 INFO L93 Difference]: Finished difference Result 4787 states and 6200 transitions. [2024-11-17 04:22:54,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-17 04:22:54,799 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 19.19047619047619) internal successors, (403), 22 states have internal predecessors, (403), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) Word has length 249 [2024-11-17 04:22:54,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:54,810 INFO L225 Difference]: With dead ends: 4787 [2024-11-17 04:22:54,810 INFO L226 Difference]: Without dead ends: 4786 [2024-11-17 04:22:54,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=620, Invalid=1020, Unknown=0, NotChecked=0, Total=1640 [2024-11-17 04:22:54,813 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 1687 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:54,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1701 Valid, 637 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:22:54,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4786 states. [2024-11-17 04:22:55,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4786 to 2834. [2024-11-17 04:22:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2834 states, 2448 states have (on average 1.1756535947712419) internal successors, (2878), 2461 states have internal predecessors, (2878), 356 states have call successors, (356), 16 states have call predecessors, (356), 16 states have return successors, (356), 356 states have call predecessors, (356), 356 states have call successors, (356) [2024-11-17 04:22:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2834 states and 3590 transitions. [2024-11-17 04:22:55,230 INFO L78 Accepts]: Start accepts. Automaton has 2834 states and 3590 transitions. Word has length 249 [2024-11-17 04:22:55,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:55,231 INFO L471 AbstractCegarLoop]: Abstraction has 2834 states and 3590 transitions. [2024-11-17 04:22:55,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 19.19047619047619) internal successors, (403), 22 states have internal predecessors, (403), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-17 04:22:55,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 3590 transitions. [2024-11-17 04:22:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-17 04:22:55,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:55,233 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:55,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:55,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-17 04:22:55,434 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:55,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:55,434 INFO L85 PathProgramCache]: Analyzing trace with hash 936885510, now seen corresponding path program 1 times [2024-11-17 04:22:55,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:55,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564047133] [2024-11-17 04:22:55,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:55,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:22:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-17 04:22:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-17 04:22:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-17 04:22:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-17 04:22:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-17 04:22:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-17 04:22:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-17 04:22:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-17 04:22:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-17 04:22:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-17 04:22:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-17 04:22:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-17 04:22:55,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:55,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564047133] [2024-11-17 04:22:55,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564047133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:55,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194448212] [2024-11-17 04:22:55,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:55,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:55,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:55,830 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:22:55,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-17 04:22:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:55,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 04:22:55,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:56,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 0 proven. 1053 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-17 04:22:56,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:56,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1157 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-17 04:22:56,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194448212] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:56,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:56,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 18] total 34 [2024-11-17 04:22:56,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209304311] [2024-11-17 04:22:56,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:56,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-17 04:22:56,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:56,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-17 04:22:56,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=877, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 04:22:56,538 INFO L87 Difference]: Start difference. First operand 2834 states and 3590 transitions. Second operand has 34 states, 34 states have (on average 9.294117647058824) internal successors, (316), 34 states have internal predecessors, (316), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2024-11-17 04:22:57,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:57,530 INFO L93 Difference]: Finished difference Result 3883 states and 4842 transitions. [2024-11-17 04:22:57,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-17 04:22:57,531 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 9.294117647058824) internal successors, (316), 34 states have internal predecessors, (316), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) Word has length 257 [2024-11-17 04:22:57,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:57,539 INFO L225 Difference]: With dead ends: 3883 [2024-11-17 04:22:57,539 INFO L226 Difference]: Without dead ends: 3145 [2024-11-17 04:22:57,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 541 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1121 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1108, Invalid=3722, Unknown=0, NotChecked=0, Total=4830 [2024-11-17 04:22:57,543 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 392 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:57,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 1113 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:22:57,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3145 states. [2024-11-17 04:22:57,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3145 to 3019. [2024-11-17 04:22:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3019 states, 2594 states have (on average 1.1530454895913647) internal successors, (2991), 2614 states have internal predecessors, (2991), 375 states have call successors, (375), 36 states have call predecessors, (375), 36 states have return successors, (375), 368 states have call predecessors, (375), 375 states have call successors, (375) [2024-11-17 04:22:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 3019 states and 3741 transitions. [2024-11-17 04:22:57,989 INFO L78 Accepts]: Start accepts. Automaton has 3019 states and 3741 transitions. Word has length 257 [2024-11-17 04:22:57,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:57,991 INFO L471 AbstractCegarLoop]: Abstraction has 3019 states and 3741 transitions. [2024-11-17 04:22:57,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 9.294117647058824) internal successors, (316), 34 states have internal predecessors, (316), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2024-11-17 04:22:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3019 states and 3741 transitions. [2024-11-17 04:22:57,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-17 04:22:57,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:57,994 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:58,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-17 04:22:58,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-17 04:22:58,199 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:58,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:58,200 INFO L85 PathProgramCache]: Analyzing trace with hash 2085982547, now seen corresponding path program 1 times [2024-11-17 04:22:58,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:58,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959368254] [2024-11-17 04:22:58,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:58,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:22:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-17 04:22:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-17 04:22:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-17 04:22:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-17 04:22:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-17 04:22:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-17 04:22:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-17 04:22:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-17 04:22:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-17 04:22:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-17 04:22:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-17 04:22:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-17 04:22:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-11-17 04:22:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-17 04:22:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-17 04:22:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-17 04:22:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1825 backedges. 100 proven. 321 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-17 04:22:58,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:58,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959368254] [2024-11-17 04:22:58,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959368254] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:58,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742606477] [2024-11-17 04:22:58,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:58,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:58,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:58,534 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:22:58,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-17 04:22:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:22:58,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1825 backedges. 640 proven. 203 refuted. 0 times theorem prover too weak. 982 trivial. 0 not checked. [2024-11-17 04:22:58,840 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1825 backedges. 200 proven. 203 refuted. 0 times theorem prover too weak. 1422 trivial. 0 not checked. [2024-11-17 04:22:59,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742606477] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:59,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:59,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14 [2024-11-17 04:22:59,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702730787] [2024-11-17 04:22:59,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:59,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:22:59,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:59,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:22:59,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:59,083 INFO L87 Difference]: Start difference. First operand 3019 states and 3741 transitions. Second operand has 14 states, 14 states have (on average 17.642857142857142) internal successors, (247), 14 states have internal predecessors, (247), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-11-17 04:23:00,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:23:00,927 INFO L93 Difference]: Finished difference Result 5591 states and 7044 transitions. [2024-11-17 04:23:00,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-17 04:23:00,928 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 17.642857142857142) internal successors, (247), 14 states have internal predecessors, (247), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) Word has length 310 [2024-11-17 04:23:00,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:23:00,934 INFO L225 Difference]: With dead ends: 5591 [2024-11-17 04:23:00,934 INFO L226 Difference]: Without dead ends: 3828 [2024-11-17 04:23:00,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 669 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2024-11-17 04:23:00,937 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 625 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:23:00,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 1127 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 04:23:00,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2024-11-17 04:23:01,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3356. [2024-11-17 04:23:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3356 states, 2877 states have (on average 1.1522419186652764) internal successors, (3315), 2897 states have internal predecessors, (3315), 429 states have call successors, (429), 36 states have call predecessors, (429), 36 states have return successors, (429), 422 states have call predecessors, (429), 429 states have call successors, (429) [2024-11-17 04:23:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 3356 states and 4173 transitions. [2024-11-17 04:23:01,366 INFO L78 Accepts]: Start accepts. Automaton has 3356 states and 4173 transitions. Word has length 310 [2024-11-17 04:23:01,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:23:01,366 INFO L471 AbstractCegarLoop]: Abstraction has 3356 states and 4173 transitions. [2024-11-17 04:23:01,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 17.642857142857142) internal successors, (247), 14 states have internal predecessors, (247), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-11-17 04:23:01,367 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 4173 transitions. [2024-11-17 04:23:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-17 04:23:01,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:23:01,369 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-17 04:23:01,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-17 04:23:01,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:01,574 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:23:01,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:23:01,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1882125296, now seen corresponding path program 4 times [2024-11-17 04:23:01,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:23:01,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807234673] [2024-11-17 04:23:01,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:23:01,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:23:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:23:01,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [171194847] [2024-11-17 04:23:01,610 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:23:01,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:23:01,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:23:01,612 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:23:01,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-17 04:23:01,718 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:23:01,718 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:23:01,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:23:01,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:23:02,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-17 04:23:02,510 INFO L311 TraceCheckSpWp]: Computing backward predicates...