./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f 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/hard2_valuebound50.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 63cd3e528fa28694be9f2ecbe948122395c3f48db5408253e949dc50f2a74038 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:21:46,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:21:46,699 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:21:46,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:21:46,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:21:46,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:21:46,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:21:46,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:21:46,760 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:21:46,761 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:21:46,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:21:46,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:21:46,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:21:46,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:21:46,765 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:21:46,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:21:46,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:21:46,766 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:21:46,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:21:46,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:21:46,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:21:46,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:21:46,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:21:46,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:21:46,770 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:21:46,770 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:21:46,771 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:21:46,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:21:46,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:21:46,771 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:21:46,771 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:21:46,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:21:46,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:21:46,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:21:46,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:21:46,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:21:46,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:21:46,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:21:46,773 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:21:46,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:21:46,774 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:21:46,775 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:21:46,775 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:21:46,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:21:46,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63cd3e528fa28694be9f2ecbe948122395c3f48db5408253e949dc50f2a74038 [2024-11-10 19:21:47,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:21:47,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:21:47,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:21:47,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:21:47,043 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:21:47,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c [2024-11-10 19:21:48,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:21:48,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:21:48,757 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c [2024-11-10 19:21:48,766 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe7426e9/dcc84b668ad54f21a9ff1408914b0abc/FLAG9c50c4744 [2024-11-10 19:21:48,781 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe7426e9/dcc84b668ad54f21a9ff1408914b0abc [2024-11-10 19:21:48,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:21:48,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:21:48,786 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:21:48,786 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:21:48,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:21:48,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:21:48" (1/1) ... [2024-11-10 19:21:48,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb57b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:48, skipping insertion in model container [2024-11-10 19:21:48,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:21:48" (1/1) ... [2024-11-10 19:21:48,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:21:49,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:21:49,011 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:21:49,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:21:49,043 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:21:49,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49 WrapperNode [2024-11-10 19:21:49,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:21:49,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:21:49,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:21:49,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:21:49,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49" (1/1) ... [2024-11-10 19:21:49,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49" (1/1) ... [2024-11-10 19:21:49,082 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2024-11-10 19:21:49,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:21:49,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:21:49,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:21:49,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:21:49,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49" (1/1) ... [2024-11-10 19:21:49,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49" (1/1) ... [2024-11-10 19:21:49,095 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49" (1/1) ... [2024-11-10 19:21:49,109 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-10 19:21:49,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49" (1/1) ... [2024-11-10 19:21:49,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49" (1/1) ... [2024-11-10 19:21:49,113 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49" (1/1) ... [2024-11-10 19:21:49,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49" (1/1) ... [2024-11-10 19:21:49,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49" (1/1) ... [2024-11-10 19:21:49,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49" (1/1) ... [2024-11-10 19:21:49,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:21:49,119 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:21:49,119 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:21:49,119 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:21:49,120 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49" (1/1) ... [2024-11-10 19:21:49,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:21:49,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:21:49,152 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) [2024-11-10 19:21:49,155 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 [2024-11-10 19:21:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:21:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:21:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 19:21:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:21:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:21:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:21:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:21:49,272 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:21:49,274 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:21:49,697 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-10 19:21:49,697 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:21:49,733 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:21:49,734 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:21:49,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:21:49 BoogieIcfgContainer [2024-11-10 19:21:49,734 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:21:49,737 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:21:49,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:21:49,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:21:49,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:21:48" (1/3) ... [2024-11-10 19:21:49,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c6355c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:21:49, skipping insertion in model container [2024-11-10 19:21:49,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:21:49" (2/3) ... [2024-11-10 19:21:49,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c6355c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:21:49, skipping insertion in model container [2024-11-10 19:21:49,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:21:49" (3/3) ... [2024-11-10 19:21:49,746 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2_valuebound50.c [2024-11-10 19:21:49,763 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:21:49,763 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-10 19:21:49,821 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:21:49,828 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;@306d8511, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:21:49,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-10 19:21:49,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 73 states have internal predecessors, (82), 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) [2024-11-10 19:21:49,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 19:21:49,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:49,839 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:21:49,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:49,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:49,845 INFO L85 PathProgramCache]: Analyzing trace with hash -396056859, now seen corresponding path program 1 times [2024-11-10 19:21:49,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:49,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145315088] [2024-11-10 19:21:49,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:49,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:50,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:21:50,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:50,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145315088] [2024-11-10 19:21:50,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145315088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:50,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:21:50,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:21:50,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335051640] [2024-11-10 19:21:50,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:50,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:21:50,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:50,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:21:50,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:21:50,044 INFO L87 Difference]: Start difference. First operand has 82 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 73 states have internal predecessors, (82), 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 3.5) internal successors, (7), 2 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) [2024-11-10 19:21:50,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:50,074 INFO L93 Difference]: Finished difference Result 160 states and 194 transitions. [2024-11-10 19:21:50,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:21:50,077 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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 [2024-11-10 19:21:50,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:50,084 INFO L225 Difference]: With dead ends: 160 [2024-11-10 19:21:50,085 INFO L226 Difference]: Without dead ends: 74 [2024-11-10 19:21:50,089 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 [2024-11-10 19:21:50,093 INFO L432 NwaCegarLoop]: 89 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, 89 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 [2024-11-10 19:21:50,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:21:50,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-10 19:21:50,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-10 19:21:50,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 44 states have (on average 1.5909090909090908) internal successors, (70), 67 states have internal predecessors, (70), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-10 19:21:50,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions. [2024-11-10 19:21:50,136 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 7 [2024-11-10 19:21:50,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:50,137 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions. [2024-11-10 19:21:50,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 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) [2024-11-10 19:21:50,137 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2024-11-10 19:21:50,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-10 19:21:50,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:50,139 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:21:50,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:21:50,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:50,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:50,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1251470130, now seen corresponding path program 1 times [2024-11-10 19:21:50,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:50,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054943862] [2024-11-10 19:21:50,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:50,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:21:50,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623434638] [2024-11-10 19:21:50,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:50,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:50,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:21:50,173 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) [2024-11-10 19:21:50,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:21:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:50,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:21:50,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:21:50,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:21:50,330 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:21:50,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:50,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054943862] [2024-11-10 19:21:50,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:21:50,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623434638] [2024-11-10 19:21:50,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623434638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:50,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:21:50,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:21:50,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174378913] [2024-11-10 19:21:50,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:50,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:21:50,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:50,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:21:50,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:21:50,336 INFO L87 Difference]: Start difference. First operand 74 states and 80 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:21:50,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:50,432 INFO L93 Difference]: Finished difference Result 155 states and 176 transitions. [2024-11-10 19:21:50,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:21:50,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-11-10 19:21:50,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:50,435 INFO L225 Difference]: With dead ends: 155 [2024-11-10 19:21:50,435 INFO L226 Difference]: Without dead ends: 101 [2024-11-10 19:21:50,435 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 [2024-11-10 19:21:50,437 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 19 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:50,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 109 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:21:50,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-10 19:21:50,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2024-11-10 19:21:50,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 63 states have (on average 1.5238095238095237) internal successors, (96), 86 states have internal predecessors, (96), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:21:50,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 116 transitions. [2024-11-10 19:21:50,448 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 116 transitions. Word has length 17 [2024-11-10 19:21:50,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:50,449 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 116 transitions. [2024-11-10 19:21:50,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:21:50,450 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2024-11-10 19:21:50,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 19:21:50,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:50,451 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:21:50,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:21:50,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:50,656 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:50,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:50,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1408366162, now seen corresponding path program 1 times [2024-11-10 19:21:50,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:50,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709121763] [2024-11-10 19:21:50,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:50,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:50,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:21:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:50,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:21:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:50,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:21:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:50,874 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:21:50,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:50,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709121763] [2024-11-10 19:21:50,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709121763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:50,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:21:50,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:21:50,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601259162] [2024-11-10 19:21:50,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:50,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:21:50,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:50,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:21:50,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:21:50,877 INFO L87 Difference]: Start difference. First operand 98 states and 116 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:21:50,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:50,953 INFO L93 Difference]: Finished difference Result 108 states and 123 transitions. [2024-11-10 19:21:50,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:21:50,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-11-10 19:21:50,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:50,956 INFO L225 Difference]: With dead ends: 108 [2024-11-10 19:21:50,956 INFO L226 Difference]: Without dead ends: 106 [2024-11-10 19:21:50,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:21:50,957 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 19 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:50,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 120 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:21:50,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-10 19:21:50,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 98. [2024-11-10 19:21:50,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 63 states have (on average 1.492063492063492) internal successors, (94), 86 states have internal predecessors, (94), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:21:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 114 transitions. [2024-11-10 19:21:50,971 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 114 transitions. Word has length 25 [2024-11-10 19:21:50,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:50,971 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 114 transitions. [2024-11-10 19:21:50,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:21:50,972 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2024-11-10 19:21:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 19:21:50,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:50,972 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:21:50,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:21:50,973 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:50,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:50,973 INFO L85 PathProgramCache]: Analyzing trace with hash 525144742, now seen corresponding path program 1 times [2024-11-10 19:21:50,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:50,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935333045] [2024-11-10 19:21:50,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:50,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:21:50,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [847537887] [2024-11-10 19:21:50,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:50,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:50,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:21:51,001 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) [2024-11-10 19:21:51,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:21:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:51,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:21:51,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:21:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:21:51,092 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:21:51,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:51,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935333045] [2024-11-10 19:21:51,093 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:21:51,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847537887] [2024-11-10 19:21:51,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847537887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:51,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:21:51,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:21:51,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891624276] [2024-11-10 19:21:51,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:51,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:21:51,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:51,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:21:51,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:21:51,095 INFO L87 Difference]: Start difference. First operand 98 states and 114 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:21:51,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:51,158 INFO L93 Difference]: Finished difference Result 138 states and 163 transitions. [2024-11-10 19:21:51,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:21:51,159 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-11-10 19:21:51,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:51,161 INFO L225 Difference]: With dead ends: 138 [2024-11-10 19:21:51,162 INFO L226 Difference]: Without dead ends: 134 [2024-11-10 19:21:51,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:21:51,164 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 45 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:51,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 101 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:21:51,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-10 19:21:51,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 118. [2024-11-10 19:21:51,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 81 states have (on average 1.4814814814814814) internal successors, (120), 104 states have internal predecessors, (120), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:21:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 144 transitions. [2024-11-10 19:21:51,188 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 144 transitions. Word has length 27 [2024-11-10 19:21:51,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:51,188 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 144 transitions. [2024-11-10 19:21:51,188 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:21:51,189 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 144 transitions. [2024-11-10 19:21:51,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:21:51,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:51,189 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:21:51,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 19:21:51,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-10 19:21:51,391 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:51,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:51,392 INFO L85 PathProgramCache]: Analyzing trace with hash -2142043324, now seen corresponding path program 1 times [2024-11-10 19:21:51,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:51,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356908264] [2024-11-10 19:21:51,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:51,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:51,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:21:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:51,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:21:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:51,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:21:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:51,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:21:51,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:51,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356908264] [2024-11-10 19:21:51,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356908264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:51,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:21:51,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:21:51,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051103562] [2024-11-10 19:21:51,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:51,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:21:51,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:51,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:21:51,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:21:51,671 INFO L87 Difference]: Start difference. First operand 118 states and 144 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:21:52,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:52,132 INFO L93 Difference]: Finished difference Result 136 states and 160 transitions. [2024-11-10 19:21:52,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:21:52,133 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2024-11-10 19:21:52,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:52,137 INFO L225 Difference]: With dead ends: 136 [2024-11-10 19:21:52,137 INFO L226 Difference]: Without dead ends: 135 [2024-11-10 19:21:52,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:21:52,138 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 213 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:52,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 137 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:21:52,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-10 19:21:52,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 123. [2024-11-10 19:21:52,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 86 states have (on average 1.4534883720930232) internal successors, (125), 109 states have internal predecessors, (125), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:21:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 149 transitions. [2024-11-10 19:21:52,163 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 149 transitions. Word has length 29 [2024-11-10 19:21:52,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:52,163 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 149 transitions. [2024-11-10 19:21:52,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:21:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 149 transitions. [2024-11-10 19:21:52,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 19:21:52,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:52,164 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:21:52,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:21:52,165 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:52,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:52,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1978833591, now seen corresponding path program 1 times [2024-11-10 19:21:52,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:52,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916352970] [2024-11-10 19:21:52,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:52,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:52,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:21:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:52,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:21:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:52,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:21:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:52,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:21:52,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:52,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916352970] [2024-11-10 19:21:52,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916352970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:52,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:21:52,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:21:52,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852533298] [2024-11-10 19:21:52,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:52,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:21:52,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:52,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:21:52,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:21:52,277 INFO L87 Difference]: Start difference. First operand 123 states and 149 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:21:52,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:52,634 INFO L93 Difference]: Finished difference Result 136 states and 163 transitions. [2024-11-10 19:21:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:21:52,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2024-11-10 19:21:52,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:52,636 INFO L225 Difference]: With dead ends: 136 [2024-11-10 19:21:52,636 INFO L226 Difference]: Without dead ends: 135 [2024-11-10 19:21:52,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:21:52,637 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 57 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:52,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 182 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:21:52,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-10 19:21:52,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 130. [2024-11-10 19:21:52,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 93 states have (on average 1.4086021505376345) internal successors, (131), 116 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-10 19:21:52,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 155 transitions. [2024-11-10 19:21:52,650 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 155 transitions. Word has length 30 [2024-11-10 19:21:52,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:52,650 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 155 transitions. [2024-11-10 19:21:52,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:21:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2024-11-10 19:21:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 19:21:52,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:52,652 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:21:52,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:21:52,652 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:52,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:52,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1139761571, now seen corresponding path program 1 times [2024-11-10 19:21:52,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:52,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878938748] [2024-11-10 19:21:52,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:52,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:21:52,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887770419] [2024-11-10 19:21:52,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:52,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:52,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:21:52,676 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) [2024-11-10 19:21:52,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:21:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:52,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:21:52,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:21:52,916 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:21:52,916 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:21:52,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:52,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878938748] [2024-11-10 19:21:52,916 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:21:52,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887770419] [2024-11-10 19:21:52,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887770419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:52,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:21:52,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:21:52,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716997138] [2024-11-10 19:21:52,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:52,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:21:52,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:52,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:21:52,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:21:52,918 INFO L87 Difference]: Start difference. First operand 130 states and 155 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (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) [2024-11-10 19:21:53,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:53,017 INFO L93 Difference]: Finished difference Result 142 states and 171 transitions. [2024-11-10 19:21:53,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:21:53,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (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 43 [2024-11-10 19:21:53,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:53,019 INFO L225 Difference]: With dead ends: 142 [2024-11-10 19:21:53,019 INFO L226 Difference]: Without dead ends: 132 [2024-11-10 19:21:53,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:21:53,020 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 46 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:53,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 126 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:21:53,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-10 19:21:53,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 131. [2024-11-10 19:21:53,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 96 states have (on average 1.34375) internal successors, (129), 115 states have internal predecessors, (129), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:21:53,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 157 transitions. [2024-11-10 19:21:53,033 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 157 transitions. Word has length 43 [2024-11-10 19:21:53,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:53,034 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 157 transitions. [2024-11-10 19:21:53,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (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) [2024-11-10 19:21:53,034 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 157 transitions. [2024-11-10 19:21:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-10 19:21:53,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:53,035 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:21:53,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 19:21:53,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:53,240 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:53,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:53,240 INFO L85 PathProgramCache]: Analyzing trace with hash 972870371, now seen corresponding path program 1 times [2024-11-10 19:21:53,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:53,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489312846] [2024-11-10 19:21:53,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:53,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:21:53,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [524319265] [2024-11-10 19:21:53,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:53,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:53,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:21:53,256 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:21:53,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:21:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:53,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:21:53,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:21:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:21:53,421 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:21:53,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:53,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489312846] [2024-11-10 19:21:53,943 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:21:53,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524319265] [2024-11-10 19:21:53,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524319265] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:21:53,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:21:53,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-10 19:21:53,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671445497] [2024-11-10 19:21:53,944 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:21:53,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:21:53,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:53,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:21:53,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:21:53,946 INFO L87 Difference]: Start difference. First operand 131 states and 157 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (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) [2024-11-10 19:21:54,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:54,055 INFO L93 Difference]: Finished difference Result 223 states and 278 transitions. [2024-11-10 19:21:54,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:21:54,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (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 44 [2024-11-10 19:21:54,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:54,058 INFO L225 Difference]: With dead ends: 223 [2024-11-10 19:21:54,058 INFO L226 Difference]: Without dead ends: 219 [2024-11-10 19:21:54,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:21:54,059 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 53 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:54,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 141 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:21:54,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-10 19:21:54,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 204. [2024-11-10 19:21:54,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 160 states have (on average 1.34375) internal successors, (215), 179 states have internal predecessors, (215), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:21:54,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 261 transitions. [2024-11-10 19:21:54,078 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 261 transitions. Word has length 44 [2024-11-10 19:21:54,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:54,078 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 261 transitions. [2024-11-10 19:21:54,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (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) [2024-11-10 19:21:54,079 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 261 transitions. [2024-11-10 19:21:54,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 19:21:54,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:54,080 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] [2024-11-10 19:21:54,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 19:21:54,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:54,285 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:54,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:54,285 INFO L85 PathProgramCache]: Analyzing trace with hash -614914419, now seen corresponding path program 1 times [2024-11-10 19:21:54,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:54,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240971085] [2024-11-10 19:21:54,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:54,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:54,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:21:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:54,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:21:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:54,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:21:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:54,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:21:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:54,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:21:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:54,440 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:21:54,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:54,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240971085] [2024-11-10 19:21:54,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240971085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:54,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:21:54,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:21:54,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919892074] [2024-11-10 19:21:54,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:54,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:21:54,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:54,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:21:54,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:21:54,445 INFO L87 Difference]: Start difference. First operand 204 states and 261 transitions. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-11-10 19:21:54,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:54,839 INFO L93 Difference]: Finished difference Result 218 states and 275 transitions. [2024-11-10 19:21:54,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:21:54,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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 46 [2024-11-10 19:21:54,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:54,841 INFO L225 Difference]: With dead ends: 218 [2024-11-10 19:21:54,841 INFO L226 Difference]: Without dead ends: 217 [2024-11-10 19:21:54,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:21:54,842 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 234 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:54,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 160 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:21:54,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-10 19:21:54,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 205. [2024-11-10 19:21:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 161 states have (on average 1.3416149068322982) internal successors, (216), 180 states have internal predecessors, (216), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:21:54,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 262 transitions. [2024-11-10 19:21:54,865 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 262 transitions. Word has length 46 [2024-11-10 19:21:54,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:54,865 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 262 transitions. [2024-11-10 19:21:54,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 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) [2024-11-10 19:21:54,865 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 262 transitions. [2024-11-10 19:21:54,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-10 19:21:54,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:54,868 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] [2024-11-10 19:21:54,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:21:54,868 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:54,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:54,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1882477830, now seen corresponding path program 1 times [2024-11-10 19:21:54,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:54,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704498745] [2024-11-10 19:21:54,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:54,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:54,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:21:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:54,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:21:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:54,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:21:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:54,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 19:21:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:54,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:21:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:21:54,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:54,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704498745] [2024-11-10 19:21:54,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704498745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:54,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:21:54,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:21:54,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991125501] [2024-11-10 19:21:54,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:54,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:21:54,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:54,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:21:54,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:21:54,989 INFO L87 Difference]: Start difference. First operand 205 states and 262 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-10 19:21:55,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:55,130 INFO L93 Difference]: Finished difference Result 210 states and 266 transitions. [2024-11-10 19:21:55,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:21:55,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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 47 [2024-11-10 19:21:55,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:55,132 INFO L225 Difference]: With dead ends: 210 [2024-11-10 19:21:55,132 INFO L226 Difference]: Without dead ends: 194 [2024-11-10 19:21:55,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:21:55,133 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 5 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:55,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 164 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:21:55,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-10 19:21:55,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-10 19:21:55,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 152 states have (on average 1.355263157894737) internal successors, (206), 171 states have internal predecessors, (206), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 19:21:55,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 248 transitions. [2024-11-10 19:21:55,156 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 248 transitions. Word has length 47 [2024-11-10 19:21:55,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:55,156 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 248 transitions. [2024-11-10 19:21:55,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-10 19:21:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 248 transitions. [2024-11-10 19:21:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 19:21:55,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:55,157 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] [2024-11-10 19:21:55,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 19:21:55,157 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:55,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:55,158 INFO L85 PathProgramCache]: Analyzing trace with hash 425565735, now seen corresponding path program 1 times [2024-11-10 19:21:55,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:55,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561149127] [2024-11-10 19:21:55,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:55,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:21:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:21:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:21:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:21:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:21:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:21:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,250 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:21:55,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:55,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561149127] [2024-11-10 19:21:55,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561149127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:21:55,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774565067] [2024-11-10 19:21:55,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:55,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:55,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:21:55,253 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) [2024-11-10 19:21:55,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:21:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:21:55,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:21:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:21:55,340 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:21:55,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774565067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:55,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:21:55,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 19:21:55,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954261230] [2024-11-10 19:21:55,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:55,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:21:55,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:55,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:21:55,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:21:55,342 INFO L87 Difference]: Start difference. First operand 194 states and 248 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:21:55,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:55,430 INFO L93 Difference]: Finished difference Result 294 states and 385 transitions. [2024-11-10 19:21:55,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:21:55,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-11-10 19:21:55,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:55,432 INFO L225 Difference]: With dead ends: 294 [2024-11-10 19:21:55,432 INFO L226 Difference]: Without dead ends: 292 [2024-11-10 19:21:55,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:21:55,433 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 68 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:55,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 128 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:21:55,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-10 19:21:55,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 267. [2024-11-10 19:21:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 218 states have (on average 1.3623853211009174) internal successors, (297), 236 states have internal predecessors, (297), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-10 19:21:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 355 transitions. [2024-11-10 19:21:55,452 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 355 transitions. Word has length 51 [2024-11-10 19:21:55,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:55,453 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 355 transitions. [2024-11-10 19:21:55,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:21:55,453 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 355 transitions. [2024-11-10 19:21:55,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 19:21:55,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:55,454 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] [2024-11-10 19:21:55,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:21:55,654 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,SelfDestructingSolverStorable10 [2024-11-10 19:21:55,655 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:55,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:55,655 INFO L85 PathProgramCache]: Analyzing trace with hash 307635928, now seen corresponding path program 1 times [2024-11-10 19:21:55,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:55,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194972775] [2024-11-10 19:21:55,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:55,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:21:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:21:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:21:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:21:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:21:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:21:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,731 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:21:55,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:55,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194972775] [2024-11-10 19:21:55,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194972775] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:21:55,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591453712] [2024-11-10 19:21:55,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:55,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:55,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:21:55,735 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) [2024-11-10 19:21:55,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:21:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:55,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:21:55,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:21:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:21:55,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:21:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 19:21:55,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591453712] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:21:55,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:21:55,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 19:21:55,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994184021] [2024-11-10 19:21:55,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:21:55,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:21:55,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:55,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:21:55,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:21:55,905 INFO L87 Difference]: Start difference. First operand 267 states and 355 transitions. Second operand has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 19:21:56,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:56,084 INFO L93 Difference]: Finished difference Result 438 states and 577 transitions. [2024-11-10 19:21:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:21:56,085 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 52 [2024-11-10 19:21:56,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:56,087 INFO L225 Difference]: With dead ends: 438 [2024-11-10 19:21:56,087 INFO L226 Difference]: Without dead ends: 436 [2024-11-10 19:21:56,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:21:56,088 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 155 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:56,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 232 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:21:56,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-10 19:21:56,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 388. [2024-11-10 19:21:56,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 323 states have (on average 1.3591331269349844) internal successors, (439), 341 states have internal predecessors, (439), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:21:56,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 529 transitions. [2024-11-10 19:21:56,113 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 529 transitions. Word has length 52 [2024-11-10 19:21:56,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:56,113 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 529 transitions. [2024-11-10 19:21:56,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 19:21:56,113 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 529 transitions. [2024-11-10 19:21:56,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 19:21:56,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:56,114 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] [2024-11-10 19:21:56,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:21:56,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:56,316 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:56,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:56,316 INFO L85 PathProgramCache]: Analyzing trace with hash -733324652, now seen corresponding path program 1 times [2024-11-10 19:21:56,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:56,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088992831] [2024-11-10 19:21:56,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:56,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:21:56,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1368459354] [2024-11-10 19:21:56,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:56,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:56,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:21:56,330 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) [2024-11-10 19:21:56,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:21:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:56,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:21:56,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:21:56,491 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-10 19:21:56,491 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:21:56,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:56,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088992831] [2024-11-10 19:21:56,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:21:56,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368459354] [2024-11-10 19:21:56,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368459354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:56,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:21:56,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:21:56,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849508188] [2024-11-10 19:21:56,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:56,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:21:56,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:56,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:21:56,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:21:56,494 INFO L87 Difference]: Start difference. First operand 388 states and 529 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:21:56,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:56,609 INFO L93 Difference]: Finished difference Result 404 states and 545 transitions. [2024-11-10 19:21:56,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:21:56,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 56 [2024-11-10 19:21:56,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:56,611 INFO L225 Difference]: With dead ends: 404 [2024-11-10 19:21:56,611 INFO L226 Difference]: Without dead ends: 398 [2024-11-10 19:21:56,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:21:56,612 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 109 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:56,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 100 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:21:56,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-10 19:21:56,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 385. [2024-11-10 19:21:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 320 states have (on average 1.334375) internal successors, (427), 338 states have internal predecessors, (427), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:21:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 517 transitions. [2024-11-10 19:21:56,638 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 517 transitions. Word has length 56 [2024-11-10 19:21:56,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:56,638 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 517 transitions. [2024-11-10 19:21:56,638 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-10 19:21:56,638 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 517 transitions. [2024-11-10 19:21:56,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-10 19:21:56,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:56,639 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 19:21:56,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:21:56,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:56,840 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:56,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:56,841 INFO L85 PathProgramCache]: Analyzing trace with hash 993077486, now seen corresponding path program 2 times [2024-11-10 19:21:56,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:56,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152561174] [2024-11-10 19:21:56,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:56,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:21:56,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1219277387] [2024-11-10 19:21:56,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:21:56,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:56,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:21:56,856 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) [2024-11-10 19:21:56,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:21:56,911 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:21:56,911 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:21:56,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:21:56,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:21:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:21:57,050 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:21:57,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:57,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152561174] [2024-11-10 19:21:57,294 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:21:57,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219277387] [2024-11-10 19:21:57,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219277387] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:21:57,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:21:57,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-10 19:21:57,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315066129] [2024-11-10 19:21:57,294 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:21:57,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:21:57,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:57,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:21:57,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:21:57,295 INFO L87 Difference]: Start difference. First operand 385 states and 517 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:21:57,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:57,438 INFO L93 Difference]: Finished difference Result 500 states and 668 transitions. [2024-11-10 19:21:57,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:21:57,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 70 [2024-11-10 19:21:57,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:57,441 INFO L225 Difference]: With dead ends: 500 [2024-11-10 19:21:57,442 INFO L226 Difference]: Without dead ends: 496 [2024-11-10 19:21:57,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:21:57,442 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 97 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:57,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 158 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:21:57,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2024-11-10 19:21:57,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 385. [2024-11-10 19:21:57,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 320 states have (on average 1.328125) internal successors, (425), 338 states have internal predecessors, (425), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:21:57,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 515 transitions. [2024-11-10 19:21:57,467 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 515 transitions. Word has length 70 [2024-11-10 19:21:57,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:57,467 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 515 transitions. [2024-11-10 19:21:57,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-10 19:21:57,467 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 515 transitions. [2024-11-10 19:21:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 19:21:57,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:57,468 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:21:57,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:21:57,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 19:21:57,673 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:57,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:57,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1771996429, now seen corresponding path program 1 times [2024-11-10 19:21:57,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:57,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709408569] [2024-11-10 19:21:57,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:57,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:57,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:21:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:57,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:21:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:57,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:21:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:57,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:21:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:57,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:21:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:57,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:21:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:57,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:21:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:57,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:21:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:57,745 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-10 19:21:57,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:57,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709408569] [2024-11-10 19:21:57,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709408569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:57,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:21:57,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:21:57,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793402974] [2024-11-10 19:21:57,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:57,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:21:57,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:57,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:21:57,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:21:57,748 INFO L87 Difference]: Start difference. First operand 385 states and 515 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-10 19:21:57,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:57,807 INFO L93 Difference]: Finished difference Result 385 states and 515 transitions. [2024-11-10 19:21:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:21:57,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 77 [2024-11-10 19:21:57,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:57,809 INFO L225 Difference]: With dead ends: 385 [2024-11-10 19:21:57,810 INFO L226 Difference]: Without dead ends: 384 [2024-11-10 19:21:57,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:21:57,812 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 4 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:57,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 110 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:21:57,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-10 19:21:57,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-10 19:21:57,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 320 states have (on average 1.309375) internal successors, (419), 337 states have internal predecessors, (419), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:21:57,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 509 transitions. [2024-11-10 19:21:57,837 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 509 transitions. Word has length 77 [2024-11-10 19:21:57,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:57,838 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 509 transitions. [2024-11-10 19:21:57,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-10 19:21:57,839 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 509 transitions. [2024-11-10 19:21:57,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-10 19:21:57,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:57,840 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:21:57,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 19:21:57,841 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:57,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:57,841 INFO L85 PathProgramCache]: Analyzing trace with hash -902685560, now seen corresponding path program 1 times [2024-11-10 19:21:57,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:57,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232262065] [2024-11-10 19:21:57,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:57,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:21:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:21:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:21:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:21:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:21:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:21:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:21:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:21:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,029 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:21:58,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:58,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232262065] [2024-11-10 19:21:58,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232262065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:21:58,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111967056] [2024-11-10 19:21:58,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:58,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:58,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:21:58,032 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) [2024-11-10 19:21:58,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:21:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:21:58,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:21:58,264 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:21:58,265 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:21:58,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111967056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:58,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:21:58,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:21:58,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679256471] [2024-11-10 19:21:58,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:58,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:21:58,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:58,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:21:58,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:21:58,266 INFO L87 Difference]: Start difference. First operand 384 states and 509 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:21:58,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:58,395 INFO L93 Difference]: Finished difference Result 408 states and 530 transitions. [2024-11-10 19:21:58,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:21:58,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2024-11-10 19:21:58,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:58,398 INFO L225 Difference]: With dead ends: 408 [2024-11-10 19:21:58,398 INFO L226 Difference]: Without dead ends: 407 [2024-11-10 19:21:58,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:21:58,398 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 144 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:58,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 141 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:21:58,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-10 19:21:58,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 384. [2024-11-10 19:21:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 320 states have (on average 1.3) internal successors, (416), 337 states have internal predecessors, (416), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:21:58,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 506 transitions. [2024-11-10 19:21:58,422 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 506 transitions. Word has length 78 [2024-11-10 19:21:58,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:58,423 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 506 transitions. [2024-11-10 19:21:58,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:21:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 506 transitions. [2024-11-10 19:21:58,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-10 19:21:58,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:58,424 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 19:21:58,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:21:58,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 19:21:58,626 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:58,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:58,626 INFO L85 PathProgramCache]: Analyzing trace with hash 102570246, now seen corresponding path program 1 times [2024-11-10 19:21:58,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:58,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093672325] [2024-11-10 19:21:58,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:58,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:21:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:21:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:21:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:21:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:21:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:21:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:21:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:21:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,776 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:21:58,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:58,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093672325] [2024-11-10 19:21:58,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093672325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:21:58,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034272987] [2024-11-10 19:21:58,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:58,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:58,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:21:58,779 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) [2024-11-10 19:21:58,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:21:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:58,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:21:58,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:21:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-10 19:21:59,041 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:21:59,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034272987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:59,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:21:59,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-10 19:21:59,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444293598] [2024-11-10 19:21:59,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:59,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:21:59,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:59,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:21:59,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:21:59,043 INFO L87 Difference]: Start difference. First operand 384 states and 506 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-11-10 19:21:59,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:21:59,226 INFO L93 Difference]: Finished difference Result 409 states and 533 transitions. [2024-11-10 19:21:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:21:59,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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 80 [2024-11-10 19:21:59,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:21:59,230 INFO L225 Difference]: With dead ends: 409 [2024-11-10 19:21:59,230 INFO L226 Difference]: Without dead ends: 408 [2024-11-10 19:21:59,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:21:59,230 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 64 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:21:59,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 111 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:21:59,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-10 19:21:59,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2024-11-10 19:21:59,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 332 states have (on average 1.2891566265060241) internal successors, (428), 349 states have internal predecessors, (428), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:21:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 518 transitions. [2024-11-10 19:21:59,261 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 518 transitions. Word has length 80 [2024-11-10 19:21:59,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:21:59,261 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 518 transitions. [2024-11-10 19:21:59,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2024-11-10 19:21:59,261 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 518 transitions. [2024-11-10 19:21:59,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-10 19:21:59,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:21:59,262 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 19:21:59,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:21:59,463 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,SelfDestructingSolverStorable16 [2024-11-10 19:21:59,463 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:21:59,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:21:59,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1115289686, now seen corresponding path program 1 times [2024-11-10 19:21:59,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:21:59,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646066672] [2024-11-10 19:21:59,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:59,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:21:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:59,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:21:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:59,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:21:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:59,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:21:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:59,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:21:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:59,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:21:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:59,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:21:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:59,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:21:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:59,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:21:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:21:59,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:21:59,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646066672] [2024-11-10 19:21:59,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646066672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:21:59,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873925668] [2024-11-10 19:21:59,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:21:59,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:21:59,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:21:59,619 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) [2024-11-10 19:21:59,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:21:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:21:59,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:21:59,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:21:59,802 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-10 19:21:59,802 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:21:59,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873925668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:21:59,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:21:59,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-10 19:21:59,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002854663] [2024-11-10 19:21:59,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:21:59,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:21:59,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:21:59,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:21:59,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:21:59,805 INFO L87 Difference]: Start difference. First operand 396 states and 518 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2024-11-10 19:22:00,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:00,020 INFO L93 Difference]: Finished difference Result 409 states and 527 transitions. [2024-11-10 19:22:00,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:22:00,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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 81 [2024-11-10 19:22:00,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:00,022 INFO L225 Difference]: With dead ends: 409 [2024-11-10 19:22:00,023 INFO L226 Difference]: Without dead ends: 407 [2024-11-10 19:22:00,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:22:00,024 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 72 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:00,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 140 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:22:00,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-10 19:22:00,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 399. [2024-11-10 19:22:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 335 states have (on average 1.2656716417910447) internal successors, (424), 352 states have internal predecessors, (424), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-10 19:22:00,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 514 transitions. [2024-11-10 19:22:00,054 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 514 transitions. Word has length 81 [2024-11-10 19:22:00,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:00,055 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 514 transitions. [2024-11-10 19:22:00,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 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) [2024-11-10 19:22:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 514 transitions. [2024-11-10 19:22:00,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-10 19:22:00,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:00,056 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:22:00,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 19:22:00,260 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,SelfDestructingSolverStorable17 [2024-11-10 19:22:00,261 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:00,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:00,261 INFO L85 PathProgramCache]: Analyzing trace with hash -159465105, now seen corresponding path program 1 times [2024-11-10 19:22:00,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:00,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937464533] [2024-11-10 19:22:00,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:00,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:22:00,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40123946] [2024-11-10 19:22:00,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:00,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:00,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:00,283 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) [2024-11-10 19:22:00,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:22:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:00,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:22:00,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:00,609 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-10 19:22:00,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:01,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:01,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937464533] [2024-11-10 19:22:01,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:22:01,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40123946] [2024-11-10 19:22:01,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40123946] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:01,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:22:01,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:22:01,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000831314] [2024-11-10 19:22:01,276 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:01,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:22:01,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:01,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:22:01,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:22:01,277 INFO L87 Difference]: Start difference. First operand 399 states and 514 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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) [2024-11-10 19:22:01,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:01,460 INFO L93 Difference]: Finished difference Result 504 states and 661 transitions. [2024-11-10 19:22:01,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:22:01,461 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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 85 [2024-11-10 19:22:01,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:01,463 INFO L225 Difference]: With dead ends: 504 [2024-11-10 19:22:01,463 INFO L226 Difference]: Without dead ends: 503 [2024-11-10 19:22:01,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:22:01,464 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 91 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:01,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 117 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:22:01,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-10 19:22:01,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 474. [2024-11-10 19:22:01,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 404 states have (on average 1.2772277227722773) internal successors, (516), 421 states have internal predecessors, (516), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:22:01,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 618 transitions. [2024-11-10 19:22:01,515 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 618 transitions. Word has length 85 [2024-11-10 19:22:01,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:01,515 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 618 transitions. [2024-11-10 19:22:01,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 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) [2024-11-10 19:22:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 618 transitions. [2024-11-10 19:22:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-10 19:22:01,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:01,516 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 19:22:01,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:22:01,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:01,717 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:01,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:01,718 INFO L85 PathProgramCache]: Analyzing trace with hash -648450942, now seen corresponding path program 1 times [2024-11-10 19:22:01,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:01,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848716320] [2024-11-10 19:22:01,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:01,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:22:01,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1972726717] [2024-11-10 19:22:01,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:01,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:01,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:01,746 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) [2024-11-10 19:22:01,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:22:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:01,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:22:01,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:02,031 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-10 19:22:02,031 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:03,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:03,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848716320] [2024-11-10 19:22:03,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:22:03,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972726717] [2024-11-10 19:22:03,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972726717] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:03,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:22:03,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-10 19:22:03,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695340948] [2024-11-10 19:22:03,638 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:03,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:22:03,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:03,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:22:03,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:22:03,640 INFO L87 Difference]: Start difference. First operand 474 states and 618 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (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) [2024-11-10 19:22:03,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:03,858 INFO L93 Difference]: Finished difference Result 505 states and 652 transitions. [2024-11-10 19:22:03,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:22:03,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (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 86 [2024-11-10 19:22:03,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:03,861 INFO L225 Difference]: With dead ends: 505 [2024-11-10 19:22:03,861 INFO L226 Difference]: Without dead ends: 503 [2024-11-10 19:22:03,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:22:03,863 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 96 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:03,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 108 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:22:03,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-10 19:22:03,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 474. [2024-11-10 19:22:03,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 404 states have (on average 1.24009900990099) internal successors, (501), 421 states have internal predecessors, (501), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:22:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 603 transitions. [2024-11-10 19:22:03,897 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 603 transitions. Word has length 86 [2024-11-10 19:22:03,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:03,897 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 603 transitions. [2024-11-10 19:22:03,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (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) [2024-11-10 19:22:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 603 transitions. [2024-11-10 19:22:03,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 19:22:03,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:03,900 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 19:22:03,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 19:22:04,104 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,SelfDestructingSolverStorable19 [2024-11-10 19:22:04,105 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:04,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:04,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1372857293, now seen corresponding path program 1 times [2024-11-10 19:22:04,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:04,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712794804] [2024-11-10 19:22:04,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:04,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:22:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:22:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:22:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:22:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:22:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:22:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:22:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:22:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-10 19:22:04,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:04,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712794804] [2024-11-10 19:22:04,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712794804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:22:04,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:22:04,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:22:04,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217172605] [2024-11-10 19:22:04,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:22:04,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:22:04,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:04,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:22:04,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:22:04,220 INFO L87 Difference]: Start difference. First operand 474 states and 603 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-11-10 19:22:04,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:04,665 INFO L93 Difference]: Finished difference Result 476 states and 603 transitions. [2024-11-10 19:22:04,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:22:04,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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 87 [2024-11-10 19:22:04,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:04,668 INFO L225 Difference]: With dead ends: 476 [2024-11-10 19:22:04,668 INFO L226 Difference]: Without dead ends: 475 [2024-11-10 19:22:04,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:22:04,669 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 58 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:04,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 184 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:22:04,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-10 19:22:04,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 473. [2024-11-10 19:22:04,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 404 states have (on average 1.2178217821782178) internal successors, (492), 420 states have internal predecessors, (492), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:22:04,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 594 transitions. [2024-11-10 19:22:04,700 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 594 transitions. Word has length 87 [2024-11-10 19:22:04,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:04,701 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 594 transitions. [2024-11-10 19:22:04,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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) [2024-11-10 19:22:04,701 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 594 transitions. [2024-11-10 19:22:04,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-10 19:22:04,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:04,702 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-10 19:22:04,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 19:22:04,702 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:04,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:04,703 INFO L85 PathProgramCache]: Analyzing trace with hash -391096864, now seen corresponding path program 1 times [2024-11-10 19:22:04,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:04,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27748839] [2024-11-10 19:22:04,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:04,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:22:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:22:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:22:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:22:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:22:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:22:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:22:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:22:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,883 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:22:04,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:04,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27748839] [2024-11-10 19:22:04,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27748839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:04,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561900029] [2024-11-10 19:22:04,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:04,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:04,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:04,886 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) [2024-11-10 19:22:04,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:22:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:04,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:22:04,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:05,369 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 19:22:05,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:10,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561900029] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:10,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:22:10,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2024-11-10 19:22:10,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461259264] [2024-11-10 19:22:10,616 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:10,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 19:22:10,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:10,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 19:22:10,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=385, Unknown=1, NotChecked=0, Total=462 [2024-11-10 19:22:10,618 INFO L87 Difference]: Start difference. First operand 473 states and 594 transitions. Second operand has 17 states, 16 states have (on average 6.0) internal successors, (96), 17 states have internal predecessors, (96), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-10 19:22:12,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:12,172 INFO L93 Difference]: Finished difference Result 788 states and 1006 transitions. [2024-11-10 19:22:12,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-10 19:22:12,173 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.0) internal successors, (96), 17 states have internal predecessors, (96), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 88 [2024-11-10 19:22:12,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:12,177 INFO L225 Difference]: With dead ends: 788 [2024-11-10 19:22:12,177 INFO L226 Difference]: Without dead ends: 783 [2024-11-10 19:22:12,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=338, Invalid=1301, Unknown=1, NotChecked=0, Total=1640 [2024-11-10 19:22:12,178 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 530 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:12,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 386 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:22:12,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2024-11-10 19:22:12,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 638. [2024-11-10 19:22:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 553 states have (on average 1.2115732368896925) internal successors, (670), 569 states have internal predecessors, (670), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-10 19:22:12,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 804 transitions. [2024-11-10 19:22:12,232 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 804 transitions. Word has length 88 [2024-11-10 19:22:12,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:12,232 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 804 transitions. [2024-11-10 19:22:12,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.0) internal successors, (96), 17 states have internal predecessors, (96), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-10 19:22:12,233 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 804 transitions. [2024-11-10 19:22:12,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-10 19:22:12,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:12,235 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-10 19:22:12,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-10 19:22:12,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:12,439 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:12,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:12,439 INFO L85 PathProgramCache]: Analyzing trace with hash 360822585, now seen corresponding path program 3 times [2024-11-10 19:22:12,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:12,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349485081] [2024-11-10 19:22:12,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:12,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:22:12,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1007668352] [2024-11-10 19:22:12,452 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:22:12,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:12,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:12,454 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) [2024-11-10 19:22:12,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:22:12,497 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 19:22:12,497 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:22:12,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:22:12,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-10 19:22:12,582 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:22:12,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:12,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349485081] [2024-11-10 19:22:12,582 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:22:12,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007668352] [2024-11-10 19:22:12,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007668352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:22:12,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:22:12,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:22:12,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281425900] [2024-11-10 19:22:12,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:22:12,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:22:12,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:12,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:22:12,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:22:12,583 INFO L87 Difference]: Start difference. First operand 638 states and 804 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-11-10 19:22:12,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:12,687 INFO L93 Difference]: Finished difference Result 639 states and 804 transitions. [2024-11-10 19:22:12,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:22:12,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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 96 [2024-11-10 19:22:12,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:12,690 INFO L225 Difference]: With dead ends: 639 [2024-11-10 19:22:12,690 INFO L226 Difference]: Without dead ends: 636 [2024-11-10 19:22:12,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:22:12,691 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 85 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:12,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 107 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:22:12,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-11-10 19:22:12,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 509. [2024-11-10 19:22:12,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 439 states have (on average 1.1913439635535308) internal successors, (523), 452 states have internal predecessors, (523), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-10 19:22:12,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 633 transitions. [2024-11-10 19:22:12,726 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 633 transitions. Word has length 96 [2024-11-10 19:22:12,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:12,727 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 633 transitions. [2024-11-10 19:22:12,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-11-10 19:22:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 633 transitions. [2024-11-10 19:22:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 19:22:12,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:12,728 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:22:12,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:22:12,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:12,929 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:12,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:12,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1405764934, now seen corresponding path program 1 times [2024-11-10 19:22:12,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:12,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681754326] [2024-11-10 19:22:12,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:12,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:22:12,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [224472206] [2024-11-10 19:22:12,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:12,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:12,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:12,949 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) [2024-11-10 19:22:12,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:22:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:13,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 19:22:13,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:13,341 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-10 19:22:13,341 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:13,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:13,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681754326] [2024-11-10 19:22:13,824 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:22:13,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224472206] [2024-11-10 19:22:13,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224472206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:13,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:22:13,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:22:13,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740953595] [2024-11-10 19:22:13,825 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:13,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:22:13,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:13,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:22:13,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:22:13,826 INFO L87 Difference]: Start difference. First operand 509 states and 633 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:22:14,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:14,243 INFO L93 Difference]: Finished difference Result 530 states and 645 transitions. [2024-11-10 19:22:14,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:22:14,244 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 102 [2024-11-10 19:22:14,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:14,246 INFO L225 Difference]: With dead ends: 530 [2024-11-10 19:22:14,246 INFO L226 Difference]: Without dead ends: 384 [2024-11-10 19:22:14,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:22:14,249 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 15 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:14,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 238 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:22:14,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-10 19:22:14,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 382. [2024-11-10 19:22:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 324 states have (on average 1.1697530864197532) internal successors, (379), 337 states have internal predecessors, (379), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 19:22:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 465 transitions. [2024-11-10 19:22:14,277 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 465 transitions. Word has length 102 [2024-11-10 19:22:14,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:14,277 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 465 transitions. [2024-11-10 19:22:14,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-10 19:22:14,278 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 465 transitions. [2024-11-10 19:22:14,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 19:22:14,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:14,279 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:22:14,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-10 19:22:14,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-10 19:22:14,483 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:14,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:14,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1974597340, now seen corresponding path program 1 times [2024-11-10 19:22:14,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:14,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369076591] [2024-11-10 19:22:14,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:14,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:14,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:22:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:14,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:22:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:14,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:22:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:14,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:22:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:14,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:22:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:14,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:22:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:14,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 19:22:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:14,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:22:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:14,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 19:22:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:14,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 19:22:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:14,611 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-10 19:22:14,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:14,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369076591] [2024-11-10 19:22:14,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369076591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:22:14,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:22:14,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:22:14,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739303868] [2024-11-10 19:22:14,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:22:14,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:22:14,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:14,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:22:14,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:22:14,617 INFO L87 Difference]: Start difference. First operand 382 states and 465 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:22:15,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:15,168 INFO L93 Difference]: Finished difference Result 384 states and 465 transitions. [2024-11-10 19:22:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:22:15,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2024-11-10 19:22:15,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:15,170 INFO L225 Difference]: With dead ends: 384 [2024-11-10 19:22:15,170 INFO L226 Difference]: Without dead ends: 345 [2024-11-10 19:22:15,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:22:15,171 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 25 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:15,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 209 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:22:15,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-10 19:22:15,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 343. [2024-11-10 19:22:15,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 290 states have (on average 1.1827586206896552) internal successors, (343), 302 states have internal predecessors, (343), 39 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-10 19:22:15,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 421 transitions. [2024-11-10 19:22:15,193 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 421 transitions. Word has length 104 [2024-11-10 19:22:15,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:15,194 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 421 transitions. [2024-11-10 19:22:15,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:22:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 421 transitions. [2024-11-10 19:22:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 19:22:15,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:15,195 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1] [2024-11-10 19:22:15,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 19:22:15,195 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:15,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:15,196 INFO L85 PathProgramCache]: Analyzing trace with hash 780462126, now seen corresponding path program 1 times [2024-11-10 19:22:15,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:15,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822328023] [2024-11-10 19:22:15,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:15,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:22:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:22:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:22:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:22:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:22:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:22:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:22:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:22:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 19:22:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 19:22:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:22:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:22:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:22:15,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:15,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822328023] [2024-11-10 19:22:15,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822328023] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:15,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363526511] [2024-11-10 19:22:15,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:15,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:15,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:15,287 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) [2024-11-10 19:22:15,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:22:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:15,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:22:15,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:22:15,432 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:15,567 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-10 19:22:15,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363526511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:22:15,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:22:15,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 19:22:15,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558491965] [2024-11-10 19:22:15,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:15,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:22:15,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:15,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:22:15,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:22:15,571 INFO L87 Difference]: Start difference. First operand 343 states and 421 transitions. Second operand has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 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) [2024-11-10 19:22:15,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:15,856 INFO L93 Difference]: Finished difference Result 882 states and 1070 transitions. [2024-11-10 19:22:15,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:22:15,857 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 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 107 [2024-11-10 19:22:15,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:15,861 INFO L225 Difference]: With dead ends: 882 [2024-11-10 19:22:15,861 INFO L226 Difference]: Without dead ends: 881 [2024-11-10 19:22:15,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:22:15,862 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 267 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:15,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 415 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:22:15,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2024-11-10 19:22:15,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 402. [2024-11-10 19:22:15,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 337 states have (on average 1.1810089020771513) internal successors, (398), 349 states have internal predecessors, (398), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 19:22:15,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 500 transitions. [2024-11-10 19:22:15,897 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 500 transitions. Word has length 107 [2024-11-10 19:22:15,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:15,897 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 500 transitions. [2024-11-10 19:22:15,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 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) [2024-11-10 19:22:15,897 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 500 transitions. [2024-11-10 19:22:15,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-10 19:22:15,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:15,898 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:22:15,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 19:22:16,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-10 19:22:16,103 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:16,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:16,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1843132565, now seen corresponding path program 2 times [2024-11-10 19:22:16,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:16,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523155837] [2024-11-10 19:22:16,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:16,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:22:16,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [453165041] [2024-11-10 19:22:16,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:22:16,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:16,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:16,125 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) [2024-11-10 19:22:16,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:22:16,188 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:22:16,188 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:22:16,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:22:16,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:16,706 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:22:16,706 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:17,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:17,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523155837] [2024-11-10 19:22:17,647 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:22:17,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453165041] [2024-11-10 19:22:17,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453165041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:17,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:22:17,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:22:17,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947560931] [2024-11-10 19:22:17,647 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:17,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:22:17,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:17,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:22:17,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:22:17,649 INFO L87 Difference]: Start difference. First operand 402 states and 500 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 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) [2024-11-10 19:22:18,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:18,211 INFO L93 Difference]: Finished difference Result 479 states and 592 transitions. [2024-11-10 19:22:18,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:22:18,211 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 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 114 [2024-11-10 19:22:18,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:18,214 INFO L225 Difference]: With dead ends: 479 [2024-11-10 19:22:18,214 INFO L226 Difference]: Without dead ends: 478 [2024-11-10 19:22:18,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:22:18,215 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 36 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:18,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 353 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:22:18,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-10 19:22:18,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 432. [2024-11-10 19:22:18,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 365 states have (on average 1.16986301369863) internal successors, (427), 377 states have internal predecessors, (427), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-10 19:22:18,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 533 transitions. [2024-11-10 19:22:18,250 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 533 transitions. Word has length 114 [2024-11-10 19:22:18,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:18,251 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 533 transitions. [2024-11-10 19:22:18,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 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) [2024-11-10 19:22:18,251 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 533 transitions. [2024-11-10 19:22:18,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 19:22:18,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:18,252 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:22:18,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-10 19:22:18,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-10 19:22:18,457 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:18,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:18,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1989601169, now seen corresponding path program 2 times [2024-11-10 19:22:18,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:18,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799922805] [2024-11-10 19:22:18,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:18,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:22:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:22:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:22:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:22:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:22:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:22:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:22:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:22:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 19:22:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 19:22:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:22:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 19:22:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 19:22:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:22:18,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:18,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799922805] [2024-11-10 19:22:18,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799922805] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:18,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981667432] [2024-11-10 19:22:18,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:22:18,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:18,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:18,603 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) [2024-11-10 19:22:18,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:22:18,667 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:22:18,668 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:22:18,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:22:18,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:18,751 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 30 proven. 11 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:22:18,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 30 proven. 11 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:22:18,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981667432] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:22:18,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:22:18,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-10 19:22:18,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331569318] [2024-11-10 19:22:18,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:18,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:22:18,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:18,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:22:18,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:22:18,883 INFO L87 Difference]: Start difference. First operand 432 states and 533 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 19:22:18,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:18,973 INFO L93 Difference]: Finished difference Result 441 states and 539 transitions. [2024-11-10 19:22:18,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:22:18,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 128 [2024-11-10 19:22:18,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:18,975 INFO L225 Difference]: With dead ends: 441 [2024-11-10 19:22:18,975 INFO L226 Difference]: Without dead ends: 434 [2024-11-10 19:22:18,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 278 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:22:18,975 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 40 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:18,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 221 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:22:18,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-10 19:22:19,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 432. [2024-11-10 19:22:19,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 365 states have (on average 1.1643835616438356) internal successors, (425), 377 states have internal predecessors, (425), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-10 19:22:19,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 531 transitions. [2024-11-10 19:22:19,010 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 531 transitions. Word has length 128 [2024-11-10 19:22:19,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:19,010 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 531 transitions. [2024-11-10 19:22:19,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-10 19:22:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 531 transitions. [2024-11-10 19:22:19,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 19:22:19,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:19,011 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-10 19:22:19,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-10 19:22:19,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:19,212 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:19,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:19,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1914597191, now seen corresponding path program 2 times [2024-11-10 19:22:19,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:19,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827872329] [2024-11-10 19:22:19,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:19,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:22:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:22:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:22:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:22:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:22:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:22:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:22:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:22:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 19:22:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 19:22:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:22:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:22:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 19:22:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:22:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 19:22:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-10 19:22:19,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:19,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827872329] [2024-11-10 19:22:19,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827872329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:19,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998872613] [2024-11-10 19:22:19,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:22:19,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:19,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:19,343 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) [2024-11-10 19:22:19,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:22:19,385 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 19:22:19,385 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:22:19,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:22:19,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-11-10 19:22:19,509 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:19,675 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2024-11-10 19:22:19,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998872613] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:22:19,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:22:19,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2024-11-10 19:22:19,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607889398] [2024-11-10 19:22:19,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:19,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 19:22:19,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:19,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 19:22:19,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:22:19,677 INFO L87 Difference]: Start difference. First operand 432 states and 531 transitions. Second operand has 15 states, 14 states have (on average 6.571428571428571) internal successors, (92), 15 states have internal predecessors, (92), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-10 19:22:20,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:20,175 INFO L93 Difference]: Finished difference Result 827 states and 1037 transitions. [2024-11-10 19:22:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:22:20,175 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.571428571428571) internal successors, (92), 15 states have internal predecessors, (92), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 130 [2024-11-10 19:22:20,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:20,178 INFO L225 Difference]: With dead ends: 827 [2024-11-10 19:22:20,179 INFO L226 Difference]: Without dead ends: 825 [2024-11-10 19:22:20,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2024-11-10 19:22:20,180 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 1202 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:20,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1202 Valid, 374 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:22:20,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-11-10 19:22:20,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 304. [2024-11-10 19:22:20,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 251 states have (on average 1.1235059760956174) internal successors, (282), 261 states have internal predecessors, (282), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-10 19:22:20,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 364 transitions. [2024-11-10 19:22:20,216 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 364 transitions. Word has length 130 [2024-11-10 19:22:20,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:20,216 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 364 transitions. [2024-11-10 19:22:20,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.571428571428571) internal successors, (92), 15 states have internal predecessors, (92), 7 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2024-11-10 19:22:20,216 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 364 transitions. [2024-11-10 19:22:20,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 19:22:20,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:20,218 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:22:20,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-10 19:22:20,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-10 19:22:20,419 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:20,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:20,420 INFO L85 PathProgramCache]: Analyzing trace with hash -243904507, now seen corresponding path program 1 times [2024-11-10 19:22:20,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:20,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513128162] [2024-11-10 19:22:20,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:20,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:22:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:22:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:22:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:22:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:22:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:22:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:22:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:22:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 19:22:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 19:22:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:22:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 19:22:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:22:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,652 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:22:20,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:20,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513128162] [2024-11-10 19:22:20,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513128162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:20,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746382171] [2024-11-10 19:22:20,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:20,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:20,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:20,655 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) [2024-11-10 19:22:20,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:22:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:20,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:22:20,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:20,989 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 26 proven. 22 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:22:20,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:21,356 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 30 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:22:21,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746382171] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:22:21,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:22:21,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-10 19:22:21,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395256271] [2024-11-10 19:22:21,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:21,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-10 19:22:21,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:21,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-10 19:22:21,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:22:21,358 INFO L87 Difference]: Start difference. First operand 304 states and 364 transitions. Second operand has 22 states, 21 states have (on average 9.333333333333334) internal successors, (196), 22 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-10 19:22:21,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:21,978 INFO L93 Difference]: Finished difference Result 537 states and 651 transitions. [2024-11-10 19:22:21,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-10 19:22:21,979 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 9.333333333333334) internal successors, (196), 22 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 130 [2024-11-10 19:22:21,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:21,981 INFO L225 Difference]: With dead ends: 537 [2024-11-10 19:22:21,981 INFO L226 Difference]: Without dead ends: 429 [2024-11-10 19:22:21,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=453, Invalid=1269, Unknown=0, NotChecked=0, Total=1722 [2024-11-10 19:22:21,982 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 889 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:21,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 552 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:22:21,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-10 19:22:22,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 311. [2024-11-10 19:22:22,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 256 states have (on average 1.125) internal successors, (288), 266 states have internal predecessors, (288), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 19:22:22,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 374 transitions. [2024-11-10 19:22:22,016 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 374 transitions. Word has length 130 [2024-11-10 19:22:22,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:22,017 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 374 transitions. [2024-11-10 19:22:22,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 9.333333333333334) internal successors, (196), 22 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-10 19:22:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 374 transitions. [2024-11-10 19:22:22,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-10 19:22:22,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:22,018 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:22:22,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-10 19:22:22,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:22,219 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:22,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:22,219 INFO L85 PathProgramCache]: Analyzing trace with hash -2126286627, now seen corresponding path program 1 times [2024-11-10 19:22:22,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:22,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807244040] [2024-11-10 19:22:22,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:22,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:22:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:22:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:22:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:22:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:22:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:22:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:22:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:22:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 19:22:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 19:22:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:22:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 19:22:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 19:22:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-10 19:22:22,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:22,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807244040] [2024-11-10 19:22:22,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807244040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:22,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057927971] [2024-11-10 19:22:22,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:22,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:22,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:22,464 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) [2024-11-10 19:22:22,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:22:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:22,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:22:22,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:22,752 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 22 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:22:22,752 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:25,429 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:22:25,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057927971] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:22:25,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:22:25,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2024-11-10 19:22:25,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224588902] [2024-11-10 19:22:25,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:25,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-10 19:22:25,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:25,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-10 19:22:25,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:22:25,431 INFO L87 Difference]: Start difference. First operand 311 states and 374 transitions. Second operand has 21 states, 20 states have (on average 10.4) internal successors, (208), 21 states have internal predecessors, (208), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-10 19:22:25,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:25,747 INFO L93 Difference]: Finished difference Result 392 states and 478 transitions. [2024-11-10 19:22:25,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:22:25,748 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 10.4) internal successors, (208), 21 states have internal predecessors, (208), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 138 [2024-11-10 19:22:25,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:25,750 INFO L225 Difference]: With dead ends: 392 [2024-11-10 19:22:25,750 INFO L226 Difference]: Without dead ends: 391 [2024-11-10 19:22:25,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:22:25,751 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 477 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:25,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 296 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:22:25,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-10 19:22:25,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 310. [2024-11-10 19:22:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 256 states have (on average 1.12109375) internal successors, (287), 265 states have internal predecessors, (287), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 19:22:25,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 373 transitions. [2024-11-10 19:22:25,784 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 373 transitions. Word has length 138 [2024-11-10 19:22:25,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:25,785 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 373 transitions. [2024-11-10 19:22:25,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 10.4) internal successors, (208), 21 states have internal predecessors, (208), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-11-10 19:22:25,785 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 373 transitions. [2024-11-10 19:22:25,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-10 19:22:25,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:25,786 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:22:25,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-10 19:22:25,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:25,991 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:25,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:25,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1490376013, now seen corresponding path program 1 times [2024-11-10 19:22:25,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:25,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420512266] [2024-11-10 19:22:25,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:25,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:22:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:22:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:22:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:22:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:22:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:22:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:22:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:22:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 19:22:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 19:22:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:22:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 19:22:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 19:22:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:22:26,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:26,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420512266] [2024-11-10 19:22:26,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420512266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:26,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085159215] [2024-11-10 19:22:26,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:26,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:26,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:26,269 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) [2024-11-10 19:22:26,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:22:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:26,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:22:26,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:22:26,627 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:28,018 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:22:28,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085159215] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:22:28,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:22:28,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 22 [2024-11-10 19:22:28,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879402178] [2024-11-10 19:22:28,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:28,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 19:22:28,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:28,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 19:22:28,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=326, Unknown=0, NotChecked=0, Total=506 [2024-11-10 19:22:28,020 INFO L87 Difference]: Start difference. First operand 310 states and 373 transitions. Second operand has 23 states, 22 states have (on average 9.954545454545455) internal successors, (219), 23 states have internal predecessors, (219), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-10 19:22:29,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:29,011 INFO L93 Difference]: Finished difference Result 654 states and 786 transitions. [2024-11-10 19:22:29,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 19:22:29,012 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 9.954545454545455) internal successors, (219), 23 states have internal predecessors, (219), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 139 [2024-11-10 19:22:29,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:29,014 INFO L225 Difference]: With dead ends: 654 [2024-11-10 19:22:29,014 INFO L226 Difference]: Without dead ends: 653 [2024-11-10 19:22:29,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=443, Invalid=747, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 19:22:29,015 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 474 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:29,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 687 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:22:29,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-10 19:22:29,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 507. [2024-11-10 19:22:29,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 433 states have (on average 1.1408775981524248) internal successors, (494), 442 states have internal predecessors, (494), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-10 19:22:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 620 transitions. [2024-11-10 19:22:29,075 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 620 transitions. Word has length 139 [2024-11-10 19:22:29,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:29,076 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 620 transitions. [2024-11-10 19:22:29,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 9.954545454545455) internal successors, (219), 23 states have internal predecessors, (219), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-10 19:22:29,076 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 620 transitions. [2024-11-10 19:22:29,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-10 19:22:29,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:29,077 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:22:29,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-10 19:22:29,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:29,282 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:29,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:29,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1385131722, now seen corresponding path program 3 times [2024-11-10 19:22:29,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:29,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599706045] [2024-11-10 19:22:29,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:29,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:22:29,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [539470193] [2024-11-10 19:22:29,302 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:22:29,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:29,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:29,304 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) [2024-11-10 19:22:29,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:22:29,357 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 19:22:29,357 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:22:29,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-10 19:22:29,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2024-11-10 19:22:29,876 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:46,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:46,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599706045] [2024-11-10 19:22:46,582 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:22:46,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539470193] [2024-11-10 19:22:46,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539470193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:46,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:22:46,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-10 19:22:46,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132384890] [2024-11-10 19:22:46,583 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:46,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:22:46,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:46,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:22:46,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=300, Unknown=3, NotChecked=0, Total=380 [2024-11-10 19:22:46,584 INFO L87 Difference]: Start difference. First operand 507 states and 620 transitions. Second operand has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:22:47,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:47,286 INFO L93 Difference]: Finished difference Result 519 states and 632 transitions. [2024-11-10 19:22:47,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:22:47,286 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 140 [2024-11-10 19:22:47,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:47,288 INFO L225 Difference]: With dead ends: 519 [2024-11-10 19:22:47,288 INFO L226 Difference]: Without dead ends: 518 [2024-11-10 19:22:47,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=202, Invalid=665, Unknown=3, NotChecked=0, Total=870 [2024-11-10 19:22:47,289 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 226 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:47,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 135 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:22:47,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-10 19:22:47,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 507. [2024-11-10 19:22:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 433 states have (on average 1.1316397228637414) internal successors, (490), 442 states have internal predecessors, (490), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-10 19:22:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 616 transitions. [2024-11-10 19:22:47,350 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 616 transitions. Word has length 140 [2024-11-10 19:22:47,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:47,350 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 616 transitions. [2024-11-10 19:22:47,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:22:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 616 transitions. [2024-11-10 19:22:47,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-10 19:22:47,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:47,352 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 19:22:47,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-10 19:22:47,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:47,555 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:47,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:47,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1738061816, now seen corresponding path program 2 times [2024-11-10 19:22:47,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:47,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403349602] [2024-11-10 19:22:47,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:47,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:22:47,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [554329134] [2024-11-10 19:22:47,579 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:22:47,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:47,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:47,581 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) [2024-11-10 19:22:47,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:22:47,632 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 19:22:47,633 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:22:47,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:22:47,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:47,821 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:22:47,821 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:22:47,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:47,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403349602] [2024-11-10 19:22:47,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:22:47,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554329134] [2024-11-10 19:22:47,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554329134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:22:47,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:22:47,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:22:47,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849635778] [2024-11-10 19:22:47,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:22:47,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:22:47,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:47,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:22:47,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:22:47,823 INFO L87 Difference]: Start difference. First operand 507 states and 616 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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) [2024-11-10 19:22:47,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:47,988 INFO L93 Difference]: Finished difference Result 507 states and 616 transitions. [2024-11-10 19:22:47,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:22:47,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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 143 [2024-11-10 19:22:47,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:47,991 INFO L225 Difference]: With dead ends: 507 [2024-11-10 19:22:47,991 INFO L226 Difference]: Without dead ends: 506 [2024-11-10 19:22:47,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:22:47,992 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 72 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:47,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 71 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:22:47,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-10 19:22:48,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2024-11-10 19:22:48,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 433 states have (on average 1.120092378752887) internal successors, (485), 441 states have internal predecessors, (485), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-10 19:22:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 611 transitions. [2024-11-10 19:22:48,055 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 611 transitions. Word has length 143 [2024-11-10 19:22:48,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:48,055 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 611 transitions. [2024-11-10 19:22:48,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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) [2024-11-10 19:22:48,055 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 611 transitions. [2024-11-10 19:22:48,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-10 19:22:48,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:48,057 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 19:22:48,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-10 19:22:48,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-10 19:22:48,257 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:48,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:48,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1954658535, now seen corresponding path program 2 times [2024-11-10 19:22:48,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:48,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731609620] [2024-11-10 19:22:48,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:48,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:22:48,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1812196669] [2024-11-10 19:22:48,291 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:22:48,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:48,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:48,294 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) [2024-11-10 19:22:48,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:22:48,342 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 19:22:48,343 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:22:48,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:22:48,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:48,525 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-11-10 19:22:48,525 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:22:48,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:48,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731609620] [2024-11-10 19:22:48,525 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:22:48,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812196669] [2024-11-10 19:22:48,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812196669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:22:48,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:22:48,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:22:48,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358568211] [2024-11-10 19:22:48,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:22:48,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:22:48,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:48,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:22:48,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:22:48,527 INFO L87 Difference]: Start difference. First operand 506 states and 611 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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) [2024-11-10 19:22:48,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:48,704 INFO L93 Difference]: Finished difference Result 506 states and 611 transitions. [2024-11-10 19:22:48,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:22:48,704 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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 144 [2024-11-10 19:22:48,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:48,706 INFO L225 Difference]: With dead ends: 506 [2024-11-10 19:22:48,706 INFO L226 Difference]: Without dead ends: 505 [2024-11-10 19:22:48,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:22:48,708 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 63 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:48,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 91 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:22:48,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-10 19:22:48,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 487. [2024-11-10 19:22:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 417 states have (on average 1.105515587529976) internal successors, (461), 424 states have internal predecessors, (461), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-10 19:22:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 583 transitions. [2024-11-10 19:22:48,781 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 583 transitions. Word has length 144 [2024-11-10 19:22:48,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:48,781 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 583 transitions. [2024-11-10 19:22:48,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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) [2024-11-10 19:22:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 583 transitions. [2024-11-10 19:22:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-10 19:22:48,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:48,783 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 19:22:48,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-10 19:22:48,983 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,SelfDestructingSolverStorable34 [2024-11-10 19:22:48,983 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:48,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:48,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1526143305, now seen corresponding path program 4 times [2024-11-10 19:22:48,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:48,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46536681] [2024-11-10 19:22:48,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:48,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:22:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:22:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:22:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:22:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:22:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:22:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:22:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:22:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 19:22:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 19:22:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:22:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 19:22:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 19:22:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:49,402 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:22:49,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:49,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46536681] [2024-11-10 19:22:49,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46536681] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:49,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14246954] [2024-11-10 19:22:49,402 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 19:22:49,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:49,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:49,404 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) [2024-11-10 19:22:49,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:22:49,473 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 19:22:49,474 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:22:49,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-10 19:22:49,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:50,744 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:22:50,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:51,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14246954] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:51,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:22:51,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 24 [2024-11-10 19:22:51,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607167445] [2024-11-10 19:22:51,573 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:51,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 19:22:51,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:51,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 19:22:51,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812 [2024-11-10 19:22:51,575 INFO L87 Difference]: Start difference. First operand 487 states and 583 transitions. Second operand has 25 states, 24 states have (on average 6.833333333333333) internal successors, (164), 25 states have internal predecessors, (164), 9 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-10 19:22:53,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:53,745 INFO L93 Difference]: Finished difference Result 732 states and 888 transitions. [2024-11-10 19:22:53,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-10 19:22:53,746 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.833333333333333) internal successors, (164), 25 states have internal predecessors, (164), 9 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) Word has length 146 [2024-11-10 19:22:53,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:53,748 INFO L225 Difference]: With dead ends: 732 [2024-11-10 19:22:53,748 INFO L226 Difference]: Without dead ends: 724 [2024-11-10 19:22:53,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=525, Invalid=2781, Unknown=0, NotChecked=0, Total=3306 [2024-11-10 19:22:53,750 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 706 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:53,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 499 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 19:22:53,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-11-10 19:22:53,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 625. [2024-11-10 19:22:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 543 states have (on average 1.1086556169429098) internal successors, (602), 550 states have internal predecessors, (602), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-10 19:22:53,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 748 transitions. [2024-11-10 19:22:53,837 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 748 transitions. Word has length 146 [2024-11-10 19:22:53,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:53,837 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 748 transitions. [2024-11-10 19:22:53,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.833333333333333) internal successors, (164), 25 states have internal predecessors, (164), 9 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) [2024-11-10 19:22:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 748 transitions. [2024-11-10 19:22:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 19:22:53,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:53,839 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, 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] [2024-11-10 19:22:53,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-10 19:22:54,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-10 19:22:54,040 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:54,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:54,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1368707779, now seen corresponding path program 1 times [2024-11-10 19:22:54,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:54,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214661596] [2024-11-10 19:22:54,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:54,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:22:54,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1158777321] [2024-11-10 19:22:54,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:54,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:54,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:54,069 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) [2024-11-10 19:22:54,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:22:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:22:54,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-10 19:22:54,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-10 19:22:54,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:55,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:55,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214661596] [2024-11-10 19:22:55,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:22:55,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158777321] [2024-11-10 19:22:55,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158777321] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:55,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:22:55,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-10 19:22:55,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186426032] [2024-11-10 19:22:55,165 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:55,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:22:55,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:55,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:22:55,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:22:55,167 INFO L87 Difference]: Start difference. First operand 625 states and 748 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 19:22:55,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:55,665 INFO L93 Difference]: Finished difference Result 629 states and 751 transitions. [2024-11-10 19:22:55,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:22:55,665 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 154 [2024-11-10 19:22:55,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:55,668 INFO L225 Difference]: With dead ends: 629 [2024-11-10 19:22:55,668 INFO L226 Difference]: Without dead ends: 627 [2024-11-10 19:22:55,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:22:55,668 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 21 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:55,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 279 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:22:55,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-10 19:22:55,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 625. [2024-11-10 19:22:55,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 543 states have (on average 1.1068139963167587) internal successors, (601), 550 states have internal predecessors, (601), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-10 19:22:55,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 747 transitions. [2024-11-10 19:22:55,735 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 747 transitions. Word has length 154 [2024-11-10 19:22:55,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:55,735 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 747 transitions. [2024-11-10 19:22:55,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-10 19:22:55,735 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 747 transitions. [2024-11-10 19:22:55,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 19:22:55,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:55,737 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, 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] [2024-11-10 19:22:55,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-10 19:22:55,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:55,937 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:55,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:55,938 INFO L85 PathProgramCache]: Analyzing trace with hash 2032996829, now seen corresponding path program 3 times [2024-11-10 19:22:55,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:55,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597137144] [2024-11-10 19:22:55,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:55,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:22:55,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [501805886] [2024-11-10 19:22:55,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:22:55,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:55,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:55,967 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) [2024-11-10 19:22:55,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:22:56,027 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 19:22:56,027 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:22:56,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:22:56,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 64 proven. 2 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2024-11-10 19:22:56,330 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:22:56,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:22:56,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597137144] [2024-11-10 19:22:56,742 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:22:56,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501805886] [2024-11-10 19:22:56,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501805886] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:22:56,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:22:56,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-10 19:22:56,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180112729] [2024-11-10 19:22:56,742 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:22:56,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:22:56,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:22:56,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:22:56,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:22:56,743 INFO L87 Difference]: Start difference. First operand 625 states and 747 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:22:57,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:22:57,069 INFO L93 Difference]: Finished difference Result 627 states and 749 transitions. [2024-11-10 19:22:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:22:57,070 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 160 [2024-11-10 19:22:57,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:22:57,072 INFO L225 Difference]: With dead ends: 627 [2024-11-10 19:22:57,072 INFO L226 Difference]: Without dead ends: 625 [2024-11-10 19:22:57,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:22:57,073 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 98 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:22:57,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 111 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:22:57,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2024-11-10 19:22:57,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 623. [2024-11-10 19:22:57,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 542 states have (on average 1.103321033210332) internal successors, (598), 548 states have internal predecessors, (598), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-10 19:22:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 744 transitions. [2024-11-10 19:22:57,132 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 744 transitions. Word has length 160 [2024-11-10 19:22:57,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:22:57,132 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 744 transitions. [2024-11-10 19:22:57,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:22:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 744 transitions. [2024-11-10 19:22:57,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-10 19:22:57,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:22:57,134 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-10 19:22:57,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-10 19:22:57,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-10 19:22:57,336 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:22:57,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:22:57,337 INFO L85 PathProgramCache]: Analyzing trace with hash -838630270, now seen corresponding path program 5 times [2024-11-10 19:22:57,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:22:57,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680040094] [2024-11-10 19:22:57,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:22:57,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:22:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:22:57,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1681856123] [2024-11-10 19:22:57,357 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 19:22:57,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:22:57,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:22:57,360 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) [2024-11-10 19:22:57,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:22:57,441 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-10 19:22:57,441 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:22:57,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-10 19:22:57,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:22:59,028 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-10 19:22:59,029 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:03,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:03,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680040094] [2024-11-10 19:23:03,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:23:03,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681856123] [2024-11-10 19:23:03,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681856123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:03,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:23:03,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2024-11-10 19:23:03,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884008289] [2024-11-10 19:23:03,995 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:03,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 19:23:03,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:03,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 19:23:03,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=459, Unknown=1, NotChecked=0, Total=552 [2024-11-10 19:23:03,996 INFO L87 Difference]: Start difference. First operand 623 states and 744 transitions. Second operand has 19 states, 18 states have (on average 5.277777777777778) internal successors, (95), 19 states have internal predecessors, (95), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-10 19:23:05,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:05,513 INFO L93 Difference]: Finished difference Result 819 states and 973 transitions. [2024-11-10 19:23:05,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 19:23:05,514 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.277777777777778) internal successors, (95), 19 states have internal predecessors, (95), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 172 [2024-11-10 19:23:05,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:05,516 INFO L225 Difference]: With dead ends: 819 [2024-11-10 19:23:05,516 INFO L226 Difference]: Without dead ends: 678 [2024-11-10 19:23:05,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=102, Invalid=497, Unknown=1, NotChecked=0, Total=600 [2024-11-10 19:23:05,517 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 56 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 2061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:05,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 628 Invalid, 2061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2056 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 19:23:05,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2024-11-10 19:23:05,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 624. [2024-11-10 19:23:05,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 545 states have (on average 1.0990825688073393) internal successors, (599), 551 states have internal predecessors, (599), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-10 19:23:05,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 741 transitions. [2024-11-10 19:23:05,585 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 741 transitions. Word has length 172 [2024-11-10 19:23:05,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:05,585 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 741 transitions. [2024-11-10 19:23:05,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.277777777777778) internal successors, (95), 19 states have internal predecessors, (95), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-10 19:23:05,586 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 741 transitions. [2024-11-10 19:23:05,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-10 19:23:05,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:05,587 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:05,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-10 19:23:05,788 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,SelfDestructingSolverStorable38 [2024-11-10 19:23:05,788 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:23:05,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:05,789 INFO L85 PathProgramCache]: Analyzing trace with hash -695712854, now seen corresponding path program 1 times [2024-11-10 19:23:05,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:05,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525681101] [2024-11-10 19:23:05,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:05,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:23:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:23:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:23:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:23:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:23:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:23:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:23:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:23:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 19:23:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 19:23:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:23:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 19:23:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 19:23:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 19:23:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-10 19:23:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 19:23:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 19:23:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,919 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-11-10 19:23:05,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:05,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525681101] [2024-11-10 19:23:05,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525681101] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:05,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204702887] [2024-11-10 19:23:05,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:05,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:05,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:05,921 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) [2024-11-10 19:23:05,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 19:23:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:05,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:23:06,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:06,354 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 30 proven. 72 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-11-10 19:23:06,354 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:06,895 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 22 proven. 72 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-11-10 19:23:06,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204702887] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:06,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:06,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 5] total 12 [2024-11-10 19:23:06,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887372949] [2024-11-10 19:23:06,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:06,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:23:06,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:06,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:23:06,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:23:06,898 INFO L87 Difference]: Start difference. First operand 624 states and 741 transitions. Second operand has 13 states, 12 states have (on average 14.666666666666666) internal successors, (176), 13 states have internal predecessors, (176), 8 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 8 states have call predecessors, (29), 8 states have call successors, (29) [2024-11-10 19:23:07,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:23:07,396 INFO L93 Difference]: Finished difference Result 733 states and 868 transitions. [2024-11-10 19:23:07,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 19:23:07,396 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.666666666666666) internal successors, (176), 13 states have internal predecessors, (176), 8 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 8 states have call predecessors, (29), 8 states have call successors, (29) Word has length 180 [2024-11-10 19:23:07,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:23:07,399 INFO L225 Difference]: With dead ends: 733 [2024-11-10 19:23:07,399 INFO L226 Difference]: Without dead ends: 639 [2024-11-10 19:23:07,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 389 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=361, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:23:07,400 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 157 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:23:07,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 415 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:23:07,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2024-11-10 19:23:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 586. [2024-11-10 19:23:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 512 states have (on average 1.078125) internal successors, (552), 517 states have internal predecessors, (552), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-10 19:23:07,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 686 transitions. [2024-11-10 19:23:07,476 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 686 transitions. Word has length 180 [2024-11-10 19:23:07,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:23:07,476 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 686 transitions. [2024-11-10 19:23:07,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.666666666666666) internal successors, (176), 13 states have internal predecessors, (176), 8 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 8 states have call predecessors, (29), 8 states have call successors, (29) [2024-11-10 19:23:07,477 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 686 transitions. [2024-11-10 19:23:07,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-10 19:23:07,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:23:07,478 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:23:07,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-10 19:23:07,678 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,SelfDestructingSolverStorable39 [2024-11-10 19:23:07,679 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-10 19:23:07,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:23:07,679 INFO L85 PathProgramCache]: Analyzing trace with hash -236438499, now seen corresponding path program 1 times [2024-11-10 19:23:07,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:23:07,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696275600] [2024-11-10 19:23:07,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:07,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:23:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 19:23:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:23:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 19:23:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 19:23:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 19:23:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 19:23:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-10 19:23:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:23:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 19:23:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 19:23:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 19:23:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 19:23:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 19:23:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:23:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 19:23:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-10 19:23:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 19:23:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 19:23:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,908 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 30 proven. 76 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 19:23:07,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:23:07,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696275600] [2024-11-10 19:23:07,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696275600] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:23:07,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194793950] [2024-11-10 19:23:07,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:23:07,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:23:07,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:23:07,911 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) [2024-11-10 19:23:07,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-10 19:23:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:23:07,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-10 19:23:07,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:23:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 19:23:08,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:23:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 66 proven. 40 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-10 19:23:08,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194793950] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:23:08,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:23:08,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 6] total 14 [2024-11-10 19:23:08,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756032761] [2024-11-10 19:23:08,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:23:08,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:23:08,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:23:08,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:23:08,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:23:08,511 INFO L87 Difference]: Start difference. First operand 586 states and 686 transitions. Second operand has 14 states, 14 states have (on average 11.428571428571429) internal successors, (160), 14 states have internal predecessors, (160), 9 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 9 states have call predecessors, (35), 9 states have call successors, (35)