./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.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/sqrt1-ll_unwindbound10.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 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:34:57,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:34:58,000 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:34:58,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:34:58,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:34:58,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:34:58,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:34:58,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:34:58,028 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:34:58,031 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:34:58,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:34:58,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:34:58,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:34:58,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:34:58,032 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:34:58,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:34:58,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:34:58,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:34:58,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:34:58,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:34:58,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:34:58,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:34:58,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:34:58,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:34:58,036 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:34:58,036 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:34:58,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:34:58,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:34:58,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:34:58,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:34:58,037 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:34:58,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:34:58,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:34:58,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:34:58,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:34:58,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:34:58,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:34:58,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:34:58,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:34:58,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:34:58,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:34:58,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:34:58,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:34:58,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:34:58,040 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 [2024-11-10 19:34:58,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:34:58,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:34:58,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:34:58,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:34:58,280 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:34:58,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2024-11-10 19:34:59,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:34:59,768 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:34:59,768 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2024-11-10 19:34:59,777 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/423103631/37be88e7fa464b3f87622805733c93cf/FLAGde51d5ebd [2024-11-10 19:34:59,790 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/423103631/37be88e7fa464b3f87622805733c93cf [2024-11-10 19:34:59,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:34:59,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:34:59,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:34:59,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:34:59,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:34:59,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:34:59" (1/1) ... [2024-11-10 19:34:59,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2368fec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:34:59, skipping insertion in model container [2024-11-10 19:34:59,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:34:59" (1/1) ... [2024-11-10 19:34:59,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:34:59,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:34:59,987 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:35:00,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:35:00,074 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:35:00,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00 WrapperNode [2024-11-10 19:35:00,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:35:00,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:35:00,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:35:00,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:35:00,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00" (1/1) ... [2024-11-10 19:35:00,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00" (1/1) ... [2024-11-10 19:35:00,119 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2024-11-10 19:35:00,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:35:00,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:35:00,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:35:00,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:35:00,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00" (1/1) ... [2024-11-10 19:35:00,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00" (1/1) ... [2024-11-10 19:35:00,133 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00" (1/1) ... [2024-11-10 19:35:00,148 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:35:00,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00" (1/1) ... [2024-11-10 19:35:00,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00" (1/1) ... [2024-11-10 19:35:00,151 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00" (1/1) ... [2024-11-10 19:35:00,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00" (1/1) ... [2024-11-10 19:35:00,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00" (1/1) ... [2024-11-10 19:35:00,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00" (1/1) ... [2024-11-10 19:35:00,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:35:00,161 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:35:00,161 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:35:00,162 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:35:00,162 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00" (1/1) ... [2024-11-10 19:35:00,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:35:00,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:00,217 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 19:35:00,223 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 19:35:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:35:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:35:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:35:00,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:35:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:35:00,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:35:00,341 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:35:00,343 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:35:00,606 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-10 19:35:00,606 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:35:00,620 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:35:00,621 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:35:00,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:35:00 BoogieIcfgContainer [2024-11-10 19:35:00,625 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:35:00,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:35:00,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:35:00,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:35:00,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:34:59" (1/3) ... [2024-11-10 19:35:00,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc9b676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:35:00, skipping insertion in model container [2024-11-10 19:35:00,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:35:00" (2/3) ... [2024-11-10 19:35:00,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bc9b676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:35:00, skipping insertion in model container [2024-11-10 19:35:00,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:35:00" (3/3) ... [2024-11-10 19:35:00,632 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound10.c [2024-11-10 19:35:00,643 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:35:00,643 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-11-10 19:35:00,686 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:35:00,691 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;@4a5bdc1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:35:00,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-10 19:35:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 69 states have (on average 1.8115942028985508) internal successors, (125), 121 states have internal predecessors, (125), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-10 19:35:00,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-10 19:35:00,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:00,700 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-10 19:35:00,701 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:00,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:00,705 INFO L85 PathProgramCache]: Analyzing trace with hash 4739679, now seen corresponding path program 1 times [2024-11-10 19:35:00,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:00,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101448550] [2024-11-10 19:35:00,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:00,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:00,857 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 19:35:00,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:00,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101448550] [2024-11-10 19:35:00,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101448550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:00,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:00,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:35:00,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159488865] [2024-11-10 19:35:00,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:00,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:35:00,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:00,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:35:00,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:35:00,881 INFO L87 Difference]: Start difference. First operand has 129 states, 69 states have (on average 1.8115942028985508) internal successors, (125), 121 states have internal predecessors, (125), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 19:35:00,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:00,940 INFO L93 Difference]: Finished difference Result 256 states and 286 transitions. [2024-11-10 19:35:00,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:35:00,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-10 19:35:00,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:00,950 INFO L225 Difference]: With dead ends: 256 [2024-11-10 19:35:00,951 INFO L226 Difference]: Without dead ends: 123 [2024-11-10 19:35:00,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:35:00,956 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 6 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:00,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 370 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:35:00,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-10 19:35:01,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-10 19:35:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 69 states have (on average 1.710144927536232) internal successors, (118), 116 states have internal predecessors, (118), 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 19:35:01,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 128 transitions. [2024-11-10 19:35:01,007 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 128 transitions. Word has length 4 [2024-11-10 19:35:01,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:01,008 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 128 transitions. [2024-11-10 19:35:01,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 19:35:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2024-11-10 19:35:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 19:35:01,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:01,009 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:01,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:35:01,009 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:01,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:01,010 INFO L85 PathProgramCache]: Analyzing trace with hash 624092315, now seen corresponding path program 1 times [2024-11-10 19:35:01,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:01,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601027049] [2024-11-10 19:35:01,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:01,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:01,077 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 19:35:01,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:01,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601027049] [2024-11-10 19:35:01,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601027049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:01,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:01,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:35:01,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429497139] [2024-11-10 19:35:01,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:01,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:35:01,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:01,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:35:01,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:01,082 INFO L87 Difference]: Start difference. First operand 123 states and 128 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 19:35:01,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:01,206 INFO L93 Difference]: Finished difference Result 218 states and 228 transitions. [2024-11-10 19:35:01,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:35:01,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2024-11-10 19:35:01,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:01,208 INFO L225 Difference]: With dead ends: 218 [2024-11-10 19:35:01,208 INFO L226 Difference]: Without dead ends: 198 [2024-11-10 19:35:01,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:01,210 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 69 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:01,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 179 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:01,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-10 19:35:01,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 162. [2024-11-10 19:35:01,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 104 states have (on average 1.5865384615384615) internal successors, (165), 151 states have internal predecessors, (165), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:35:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 183 transitions. [2024-11-10 19:35:01,229 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 183 transitions. Word has length 8 [2024-11-10 19:35:01,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:01,230 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 183 transitions. [2024-11-10 19:35:01,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 19:35:01,230 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 183 transitions. [2024-11-10 19:35:01,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 19:35:01,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:01,232 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:01,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:35:01,232 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:01,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:01,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1215790803, now seen corresponding path program 1 times [2024-11-10 19:35:01,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:01,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030253451] [2024-11-10 19:35:01,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:01,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:35:01,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [855987602] [2024-11-10 19:35:01,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:01,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:01,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:01,261 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 19:35:01,262 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 19:35:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:01,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:35:01,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:01,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:35:01,349 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:35:01,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:01,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030253451] [2024-11-10 19:35:01,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:35:01,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855987602] [2024-11-10 19:35:01,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855987602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:01,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:01,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:35:01,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145536621] [2024-11-10 19:35:01,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:01,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:35:01,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:01,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:35:01,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:01,353 INFO L87 Difference]: Start difference. First operand 162 states and 183 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:01,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:01,430 INFO L93 Difference]: Finished difference Result 191 states and 213 transitions. [2024-11-10 19:35:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:35:01,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-10 19:35:01,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:01,432 INFO L225 Difference]: With dead ends: 191 [2024-11-10 19:35:01,432 INFO L226 Difference]: Without dead ends: 183 [2024-11-10 19:35:01,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:01,433 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 43 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:01,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 173 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:01,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-10 19:35:01,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 174. [2024-11-10 19:35:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 115 states have (on average 1.5391304347826087) internal successors, (177), 162 states have internal predecessors, (177), 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 19:35:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 197 transitions. [2024-11-10 19:35:01,445 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 197 transitions. Word has length 29 [2024-11-10 19:35:01,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:01,445 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 197 transitions. [2024-11-10 19:35:01,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 197 transitions. [2024-11-10 19:35:01,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 19:35:01,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:01,447 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:01,462 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 19:35:01,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:01,651 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:01,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:01,652 INFO L85 PathProgramCache]: Analyzing trace with hash -965190715, now seen corresponding path program 1 times [2024-11-10 19:35:01,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:01,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56509282] [2024-11-10 19:35:01,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:01,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:01,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:01,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:01,736 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 19:35:01,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:01,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56509282] [2024-11-10 19:35:01,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56509282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:01,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:01,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:35:01,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576164497] [2024-11-10 19:35:01,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:01,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:35:01,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:01,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:35:01,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:01,739 INFO L87 Difference]: Start difference. First operand 174 states and 197 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:01,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:01,816 INFO L93 Difference]: Finished difference Result 192 states and 210 transitions. [2024-11-10 19:35:01,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:35:01,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-10 19:35:01,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:01,817 INFO L225 Difference]: With dead ends: 192 [2024-11-10 19:35:01,818 INFO L226 Difference]: Without dead ends: 182 [2024-11-10 19:35:01,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 19:35:01,819 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 41 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:01,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 188 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:01,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-10 19:35:01,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 177. [2024-11-10 19:35:01,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 165 states have internal predecessors, (173), 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 19:35:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 193 transitions. [2024-11-10 19:35:01,827 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 193 transitions. Word has length 30 [2024-11-10 19:35:01,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:01,827 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 193 transitions. [2024-11-10 19:35:01,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:01,828 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 193 transitions. [2024-11-10 19:35:01,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 19:35:01,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:01,828 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:01,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:35:01,829 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:01,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:01,829 INFO L85 PathProgramCache]: Analyzing trace with hash 809509711, now seen corresponding path program 1 times [2024-11-10 19:35:01,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:01,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846556360] [2024-11-10 19:35:01,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:01,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:01,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:01,965 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 19:35:01,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:01,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846556360] [2024-11-10 19:35:01,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846556360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:01,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:01,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:35:01,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772639608] [2024-11-10 19:35:01,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:01,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:35:01,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:01,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:35:01,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:35:01,970 INFO L87 Difference]: Start difference. First operand 177 states and 193 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:02,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:02,096 INFO L93 Difference]: Finished difference Result 184 states and 200 transitions. [2024-11-10 19:35:02,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:35:02,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-10 19:35:02,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:02,098 INFO L225 Difference]: With dead ends: 184 [2024-11-10 19:35:02,098 INFO L226 Difference]: Without dead ends: 182 [2024-11-10 19:35:02,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 19:35:02,100 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 54 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:02,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 235 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:02,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-10 19:35:02,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 177. [2024-11-10 19:35:02,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 118 states have (on average 1.4491525423728813) internal successors, (171), 165 states have internal predecessors, (171), 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 19:35:02,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 191 transitions. [2024-11-10 19:35:02,118 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 191 transitions. Word has length 33 [2024-11-10 19:35:02,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:02,118 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 191 transitions. [2024-11-10 19:35:02,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:35:02,119 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 191 transitions. [2024-11-10 19:35:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 19:35:02,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:02,120 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:02,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:35:02,120 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:02,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:02,120 INFO L85 PathProgramCache]: Analyzing trace with hash 31877067, now seen corresponding path program 1 times [2024-11-10 19:35:02,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:02,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853122457] [2024-11-10 19:35:02,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:02,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,233 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 19:35:02,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:02,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853122457] [2024-11-10 19:35:02,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853122457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:02,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:02,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:35:02,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805300002] [2024-11-10 19:35:02,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:02,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:35:02,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:02,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:35:02,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:35:02,241 INFO L87 Difference]: Start difference. First operand 177 states and 191 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (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 19:35:02,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:02,323 INFO L93 Difference]: Finished difference Result 183 states and 193 transitions. [2024-11-10 19:35:02,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:35:02,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (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 37 [2024-11-10 19:35:02,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:02,325 INFO L225 Difference]: With dead ends: 183 [2024-11-10 19:35:02,325 INFO L226 Difference]: Without dead ends: 155 [2024-11-10 19:35:02,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 19:35:02,326 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 31 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:02,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 160 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:02,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-10 19:35:02,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 154. [2024-11-10 19:35:02,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 97 states have (on average 1.5051546391752577) internal successors, (146), 144 states have internal predecessors, (146), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:35:02,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 162 transitions. [2024-11-10 19:35:02,335 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 162 transitions. Word has length 37 [2024-11-10 19:35:02,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:02,335 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 162 transitions. [2024-11-10 19:35:02,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (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 19:35:02,335 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 162 transitions. [2024-11-10 19:35:02,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-10 19:35:02,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:02,336 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, 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 19:35:02,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 19:35:02,336 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:02,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:02,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1331061854, now seen corresponding path program 1 times [2024-11-10 19:35:02,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:02,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538391405] [2024-11-10 19:35:02,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:02,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,432 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 19:35:02,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:02,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538391405] [2024-11-10 19:35:02,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538391405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:02,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:02,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:35:02,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171027860] [2024-11-10 19:35:02,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:02,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:35:02,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:02,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:35:02,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:35:02,437 INFO L87 Difference]: Start difference. First operand 154 states and 162 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 19:35:02,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:02,533 INFO L93 Difference]: Finished difference Result 159 states and 168 transitions. [2024-11-10 19:35:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:35:02,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 52 [2024-11-10 19:35:02,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:02,535 INFO L225 Difference]: With dead ends: 159 [2024-11-10 19:35:02,535 INFO L226 Difference]: Without dead ends: 158 [2024-11-10 19:35:02,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:35:02,536 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 2 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:02,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 230 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:02,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-10 19:35:02,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2024-11-10 19:35:02,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 99 states have (on average 1.494949494949495) internal successors, (148), 146 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:35:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 164 transitions. [2024-11-10 19:35:02,552 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 164 transitions. Word has length 52 [2024-11-10 19:35:02,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:02,553 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 164 transitions. [2024-11-10 19:35:02,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 19:35:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 164 transitions. [2024-11-10 19:35:02,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:35:02,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:02,554 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, 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 19:35:02,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 19:35:02,554 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:02,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:02,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1686755507, now seen corresponding path program 1 times [2024-11-10 19:35:02,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:02,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713914784] [2024-11-10 19:35:02,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:02,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,611 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 19:35:02,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:02,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713914784] [2024-11-10 19:35:02,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713914784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:02,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:35:02,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:35:02,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316716167] [2024-11-10 19:35:02,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:02,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:35:02,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:02,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:35:02,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:35:02,613 INFO L87 Difference]: Start difference. First operand 156 states and 164 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 19:35:02,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:02,679 INFO L93 Difference]: Finished difference Result 159 states and 167 transitions. [2024-11-10 19:35:02,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:35:02,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 53 [2024-11-10 19:35:02,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:02,680 INFO L225 Difference]: With dead ends: 159 [2024-11-10 19:35:02,680 INFO L226 Difference]: Without dead ends: 158 [2024-11-10 19:35:02,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 19:35:02,681 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 1 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:02,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 169 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:02,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-10 19:35:02,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2024-11-10 19:35:02,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 100 states have (on average 1.49) internal successors, (149), 147 states have internal predecessors, (149), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:35:02,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 165 transitions. [2024-11-10 19:35:02,686 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 165 transitions. Word has length 53 [2024-11-10 19:35:02,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:02,686 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 165 transitions. [2024-11-10 19:35:02,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 19:35:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 165 transitions. [2024-11-10 19:35:02,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 19:35:02,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:02,687 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:02,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 19:35:02,688 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:02,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:02,688 INFO L85 PathProgramCache]: Analyzing trace with hash -984032033, now seen corresponding path program 1 times [2024-11-10 19:35:02,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:02,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271796178] [2024-11-10 19:35:02,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:02,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:02,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:02,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271796178] [2024-11-10 19:35:02,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271796178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:02,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552669296] [2024-11-10 19:35:02,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:02,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:02,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:02,774 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 19:35:02,777 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 19:35:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:02,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:35:02,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:02,922 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:35:02,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552669296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:02,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:35:02,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:35:02,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790887702] [2024-11-10 19:35:02,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:02,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:35:02,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:02,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:35:02,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:35:02,924 INFO L87 Difference]: Start difference. First operand 157 states and 165 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 19:35:02,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:02,952 INFO L93 Difference]: Finished difference Result 157 states and 165 transitions. [2024-11-10 19:35:02,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:35:02,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 19:35:02,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:02,954 INFO L225 Difference]: With dead ends: 157 [2024-11-10 19:35:02,954 INFO L226 Difference]: Without dead ends: 156 [2024-11-10 19:35:02,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:35:02,955 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 81 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:02,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 343 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:35:02,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-10 19:35:02,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-10 19:35:02,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 100 states have (on average 1.48) internal successors, (148), 146 states have internal predecessors, (148), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:35:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 164 transitions. [2024-11-10 19:35:02,962 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 164 transitions. Word has length 56 [2024-11-10 19:35:02,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:02,963 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 164 transitions. [2024-11-10 19:35:02,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 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 19:35:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 164 transitions. [2024-11-10 19:35:02,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-10 19:35:02,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:02,965 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:02,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:35:03,168 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,SelfDestructingSolverStorable8 [2024-11-10 19:35:03,169 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:03,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:03,169 INFO L85 PathProgramCache]: Analyzing trace with hash -440221864, now seen corresponding path program 1 times [2024-11-10 19:35:03,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:03,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542662143] [2024-11-10 19:35:03,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:03,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:03,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:03,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:03,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:03,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:03,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542662143] [2024-11-10 19:35:03,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542662143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:03,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69229374] [2024-11-10 19:35:03,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:03,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:03,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:03,272 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 19:35:03,276 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 19:35:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:03,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:35:03,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:03,393 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:35:03,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69229374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:03,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:35:03,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:35:03,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80602530] [2024-11-10 19:35:03,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:03,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:35:03,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:03,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:35:03,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:35:03,395 INFO L87 Difference]: Start difference. First operand 156 states and 164 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 19:35:03,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:03,438 INFO L93 Difference]: Finished difference Result 204 states and 212 transitions. [2024-11-10 19:35:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:35:03,439 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 57 [2024-11-10 19:35:03,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:03,440 INFO L225 Difference]: With dead ends: 204 [2024-11-10 19:35:03,440 INFO L226 Difference]: Without dead ends: 203 [2024-11-10 19:35:03,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:35:03,441 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 80 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:03,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 515 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:35:03,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-10 19:35:03,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 171. [2024-11-10 19:35:03,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 113 states have (on average 1.4955752212389382) internal successors, (169), 159 states have internal predecessors, (169), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:35:03,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 189 transitions. [2024-11-10 19:35:03,447 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 189 transitions. Word has length 57 [2024-11-10 19:35:03,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:03,447 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 189 transitions. [2024-11-10 19:35:03,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 19:35:03,448 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 189 transitions. [2024-11-10 19:35:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-10 19:35:03,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:03,448 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:03,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:35:03,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:03,650 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:03,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:03,650 INFO L85 PathProgramCache]: Analyzing trace with hash -2114310468, now seen corresponding path program 1 times [2024-11-10 19:35:03,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:03,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411297176] [2024-11-10 19:35:03,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:03,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:03,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:03,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:03,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:03,696 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:03,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:03,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411297176] [2024-11-10 19:35:03,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411297176] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:03,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961179190] [2024-11-10 19:35:03,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:03,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:03,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:03,698 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 19:35:03,711 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 19:35:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:03,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:35:03,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:03,810 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:35:03,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961179190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:03,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:35:03,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 19:35:03,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534971005] [2024-11-10 19:35:03,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:03,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:35:03,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:03,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:35:03,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:35:03,812 INFO L87 Difference]: Start difference. First operand 171 states and 189 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 19:35:03,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:03,877 INFO L93 Difference]: Finished difference Result 171 states and 189 transitions. [2024-11-10 19:35:03,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:35:03,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 60 [2024-11-10 19:35:03,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:03,880 INFO L225 Difference]: With dead ends: 171 [2024-11-10 19:35:03,881 INFO L226 Difference]: Without dead ends: 162 [2024-11-10 19:35:03,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 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 19:35:03,881 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 122 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:03,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 132 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:03,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-10 19:35:03,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-10 19:35:03,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 113 states have (on average 1.3805309734513274) internal successors, (156), 150 states have internal predecessors, (156), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:35:03,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 176 transitions. [2024-11-10 19:35:03,889 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 176 transitions. Word has length 60 [2024-11-10 19:35:03,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:03,890 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 176 transitions. [2024-11-10 19:35:03,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 19:35:03,890 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2024-11-10 19:35:03,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-10 19:35:03,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:03,890 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:03,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 19:35:04,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:04,091 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:04,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:04,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1119115052, now seen corresponding path program 1 times [2024-11-10 19:35:04,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:04,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690076586] [2024-11-10 19:35:04,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:04,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:04,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:04,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:04,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:04,138 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:04,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:04,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690076586] [2024-11-10 19:35:04,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690076586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:04,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68941908] [2024-11-10 19:35:04,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:04,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:04,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:04,144 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 19:35:04,146 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 19:35:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:04,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:35:04,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:04,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:04,319 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:04,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68941908] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:04,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:04,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 19:35:04,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905701522] [2024-11-10 19:35:04,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:04,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:35:04,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:04,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:35:04,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:35:04,321 INFO L87 Difference]: Start difference. First operand 162 states and 176 transitions. Second operand has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 19:35:04,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:04,463 INFO L93 Difference]: Finished difference Result 292 states and 343 transitions. [2024-11-10 19:35:04,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:35:04,464 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 61 [2024-11-10 19:35:04,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:04,466 INFO L225 Difference]: With dead ends: 292 [2024-11-10 19:35:04,466 INFO L226 Difference]: Without dead ends: 283 [2024-11-10 19:35:04,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 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 19:35:04,467 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 146 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:04,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 302 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:04,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-11-10 19:35:04,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 153. [2024-11-10 19:35:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 113 states have (on average 1.2654867256637168) internal successors, (143), 141 states have internal predecessors, (143), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-10 19:35:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2024-11-10 19:35:04,474 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 61 [2024-11-10 19:35:04,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:04,474 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2024-11-10 19:35:04,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-10 19:35:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-11-10 19:35:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 19:35:04,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:04,475 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:04,491 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 19:35:04,675 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,SelfDestructingSolverStorable11 [2024-11-10 19:35:04,676 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:04,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:04,676 INFO L85 PathProgramCache]: Analyzing trace with hash 96049175, now seen corresponding path program 1 times [2024-11-10 19:35:04,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:04,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071913666] [2024-11-10 19:35:04,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:04,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:04,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:04,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:04,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:04,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:04,764 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:35:04,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:04,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071913666] [2024-11-10 19:35:04,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071913666] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:04,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513664994] [2024-11-10 19:35:04,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:04,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:04,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:04,766 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 19:35:04,770 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 19:35:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:04,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:35:04,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 19:35:04,886 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:35:04,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513664994] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:04,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:04,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-10 19:35:04,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329644101] [2024-11-10 19:35:04,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:04,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 19:35:04,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:04,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 19:35:04,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:35:04,967 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 13 states have internal predecessors, (114), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:35:05,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:05,096 INFO L93 Difference]: Finished difference Result 395 states and 415 transitions. [2024-11-10 19:35:05,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:35:05,098 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 13 states have internal predecessors, (114), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 74 [2024-11-10 19:35:05,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:05,100 INFO L225 Difference]: With dead ends: 395 [2024-11-10 19:35:05,100 INFO L226 Difference]: Without dead ends: 355 [2024-11-10 19:35:05,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-10 19:35:05,101 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 177 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:05,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 549 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:05,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-10 19:35:05,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 275. [2024-11-10 19:35:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 222 states have (on average 1.2972972972972974) internal successors, (288), 252 states have internal predecessors, (288), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 17 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 19:35:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 328 transitions. [2024-11-10 19:35:05,120 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 328 transitions. Word has length 74 [2024-11-10 19:35:05,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:05,121 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 328 transitions. [2024-11-10 19:35:05,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 13 states have internal predecessors, (114), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-10 19:35:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 328 transitions. [2024-11-10 19:35:05,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 19:35:05,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:05,124 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:05,137 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 19:35:05,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:05,325 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:05,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:05,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1906372094, now seen corresponding path program 1 times [2024-11-10 19:35:05,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:05,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849802539] [2024-11-10 19:35:05,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:05,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:35:05,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1380746490] [2024-11-10 19:35:05,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:05,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:05,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:05,343 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 19:35:05,346 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 19:35:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:05,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:35:05,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:05,441 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:35:05,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:05,555 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-10 19:35:05,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:05,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849802539] [2024-11-10 19:35:05,556 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:35:05,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380746490] [2024-11-10 19:35:05,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380746490] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:05,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:35:05,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-10 19:35:05,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771321824] [2024-11-10 19:35:05,556 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:05,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:35:05,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:05,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:35:05,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:35:05,557 INFO L87 Difference]: Start difference. First operand 275 states and 328 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:35:05,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:05,729 INFO L93 Difference]: Finished difference Result 364 states and 385 transitions. [2024-11-10 19:35:05,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:35:05,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 74 [2024-11-10 19:35:05,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:05,731 INFO L225 Difference]: With dead ends: 364 [2024-11-10 19:35:05,731 INFO L226 Difference]: Without dead ends: 362 [2024-11-10 19:35:05,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:35:05,732 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 345 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:05,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 334 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:05,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-10 19:35:05,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 286. [2024-11-10 19:35:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 232 states have (on average 1.2629310344827587) internal successors, (293), 262 states have internal predecessors, (293), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 19:35:05,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 335 transitions. [2024-11-10 19:35:05,743 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 335 transitions. Word has length 74 [2024-11-10 19:35:05,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:05,743 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 335 transitions. [2024-11-10 19:35:05,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:35:05,743 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 335 transitions. [2024-11-10 19:35:05,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-10 19:35:05,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:05,744 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:05,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:35:05,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:05,945 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:05,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:05,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1759495251, now seen corresponding path program 1 times [2024-11-10 19:35:05,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:05,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605558196] [2024-11-10 19:35:05,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:05,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:35:05,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942034442] [2024-11-10 19:35:05,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:05,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:05,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:05,957 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 19:35:05,957 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 19:35:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:05,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:35:05,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:06,054 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:06,175 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:06,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:06,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605558196] [2024-11-10 19:35:06,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:35:06,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942034442] [2024-11-10 19:35:06,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942034442] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:06,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:35:06,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-10 19:35:06,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009988001] [2024-11-10 19:35:06,176 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:06,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:35:06,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:06,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:35:06,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:35:06,177 INFO L87 Difference]: Start difference. First operand 286 states and 335 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:35:06,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:06,375 INFO L93 Difference]: Finished difference Result 325 states and 387 transitions. [2024-11-10 19:35:06,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:35:06,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 81 [2024-11-10 19:35:06,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:06,376 INFO L225 Difference]: With dead ends: 325 [2024-11-10 19:35:06,376 INFO L226 Difference]: Without dead ends: 317 [2024-11-10 19:35:06,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:35:06,377 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 200 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:06,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 266 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:35:06,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-10 19:35:06,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 285. [2024-11-10 19:35:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 236 states have (on average 1.1906779661016949) internal successors, (281), 259 states have internal predecessors, (281), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 19:35:06,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 325 transitions. [2024-11-10 19:35:06,390 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 325 transitions. Word has length 81 [2024-11-10 19:35:06,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:06,391 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 325 transitions. [2024-11-10 19:35:06,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-10 19:35:06,391 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 325 transitions. [2024-11-10 19:35:06,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 19:35:06,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:06,392 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:06,408 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 19:35:06,592 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,SelfDestructingSolverStorable14 [2024-11-10 19:35:06,593 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:06,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:06,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1290222011, now seen corresponding path program 1 times [2024-11-10 19:35:06,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:06,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057130941] [2024-11-10 19:35:06,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:06,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:06,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:06,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:06,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:06,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:06,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:06,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:06,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057130941] [2024-11-10 19:35:06,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057130941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:06,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716904863] [2024-11-10 19:35:06,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:06,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:06,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:06,712 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 19:35:06,720 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 19:35:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:06,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:35:06,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:06,936 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:06,937 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:07,052 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:07,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716904863] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:07,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:07,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-10 19:35:07,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814108167] [2024-11-10 19:35:07,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:07,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:35:07,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:07,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:35:07,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:35:07,055 INFO L87 Difference]: Start difference. First operand 285 states and 325 transitions. Second operand has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 19:35:07,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:07,239 INFO L93 Difference]: Finished difference Result 285 states and 325 transitions. [2024-11-10 19:35:07,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:35:07,240 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 82 [2024-11-10 19:35:07,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:07,241 INFO L225 Difference]: With dead ends: 285 [2024-11-10 19:35:07,241 INFO L226 Difference]: Without dead ends: 282 [2024-11-10 19:35:07,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:35:07,242 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 181 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:07,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 192 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:35:07,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-10 19:35:07,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2024-11-10 19:35:07,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 236 states have (on average 1.1610169491525424) internal successors, (274), 256 states have internal predecessors, (274), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 19:35:07,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 318 transitions. [2024-11-10 19:35:07,252 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 318 transitions. Word has length 82 [2024-11-10 19:35:07,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:07,252 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 318 transitions. [2024-11-10 19:35:07,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.11111111111111) internal successors, (154), 10 states have internal predecessors, (154), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 19:35:07,253 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 318 transitions. [2024-11-10 19:35:07,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 19:35:07,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:07,253 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:35:07,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 19:35:07,457 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 19:35:07,458 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:07,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:07,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1342176623, now seen corresponding path program 1 times [2024-11-10 19:35:07,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:07,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710542227] [2024-11-10 19:35:07,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:07,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:07,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:07,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:07,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:07,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:07,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:07,523 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:07,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:07,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710542227] [2024-11-10 19:35:07,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710542227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:07,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645314169] [2024-11-10 19:35:07,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:07,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:07,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:07,525 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 19:35:07,527 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 19:35:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:07,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:35:07,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:07,672 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:07,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:07,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645314169] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:07,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:07,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-10 19:35:07,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810531077] [2024-11-10 19:35:07,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:07,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:35:07,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:07,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:35:07,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:35:07,785 INFO L87 Difference]: Start difference. First operand 282 states and 318 transitions. Second operand has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 10 states have internal predecessors, (156), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 19:35:07,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:07,991 INFO L93 Difference]: Finished difference Result 299 states and 339 transitions. [2024-11-10 19:35:07,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:35:07,991 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 10 states have internal predecessors, (156), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 83 [2024-11-10 19:35:07,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:07,992 INFO L225 Difference]: With dead ends: 299 [2024-11-10 19:35:07,992 INFO L226 Difference]: Without dead ends: 290 [2024-11-10 19:35:07,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:35:07,993 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 124 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:07,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 302 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:35:07,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-10 19:35:08,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 278. [2024-11-10 19:35:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 238 states have (on average 1.096638655462185) internal successors, (261), 252 states have internal predecessors, (261), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 19:35:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 305 transitions. [2024-11-10 19:35:08,003 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 305 transitions. Word has length 83 [2024-11-10 19:35:08,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:08,003 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 305 transitions. [2024-11-10 19:35:08,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 10 states have internal predecessors, (156), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-10 19:35:08,003 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 305 transitions. [2024-11-10 19:35:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-10 19:35:08,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:08,004 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:08,019 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 19:35:08,204 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 19:35:08,205 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:08,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:08,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1341544241, now seen corresponding path program 1 times [2024-11-10 19:35:08,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:08,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8270750] [2024-11-10 19:35:08,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:08,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:08,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:08,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:08,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:08,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:08,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:08,300 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:08,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:08,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8270750] [2024-11-10 19:35:08,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8270750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:08,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460166614] [2024-11-10 19:35:08,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:08,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:08,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:08,302 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 19:35:08,303 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 19:35:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:08,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:35:08,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:08,522 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:35:08,522 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:35:08,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460166614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:35:08,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:35:08,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-10 19:35:08,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635705424] [2024-11-10 19:35:08,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:35:08,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 19:35:08,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:08,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 19:35:08,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:35:08,524 INFO L87 Difference]: Start difference. First operand 278 states and 305 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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 19:35:08,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:08,650 INFO L93 Difference]: Finished difference Result 278 states and 305 transitions. [2024-11-10 19:35:08,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:35:08,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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 85 [2024-11-10 19:35:08,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:08,651 INFO L225 Difference]: With dead ends: 278 [2024-11-10 19:35:08,651 INFO L226 Difference]: Without dead ends: 224 [2024-11-10 19:35:08,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:35:08,652 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 86 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:08,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 164 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:35:08,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-10 19:35:08,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2024-11-10 19:35:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 196 states have (on average 1.0408163265306123) internal successors, (204), 202 states have internal predecessors, (204), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-10 19:35:08,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 236 transitions. [2024-11-10 19:35:08,662 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 236 transitions. Word has length 85 [2024-11-10 19:35:08,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:08,663 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 236 transitions. [2024-11-10 19:35:08,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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 19:35:08,663 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 236 transitions. [2024-11-10 19:35:08,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 19:35:08,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:08,664 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2024-11-10 19:35:08,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:35:08,868 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 19:35:08,869 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:08,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:08,869 INFO L85 PathProgramCache]: Analyzing trace with hash 2107220915, now seen corresponding path program 1 times [2024-11-10 19:35:08,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:08,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879602177] [2024-11-10 19:35:08,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:08,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:09,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:09,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:09,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:09,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:09,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:09,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:35:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:09,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:35:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:09,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 19:35:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:09,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 19:35:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:09,020 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:35:09,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:09,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879602177] [2024-11-10 19:35:09,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879602177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:09,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127045877] [2024-11-10 19:35:09,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:09,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:09,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:09,022 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 19:35:09,023 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 19:35:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:09,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 19:35:09,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:09,380 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:35:09,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-10 19:35:09,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127045877] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:09,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:09,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-10 19:35:09,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308946670] [2024-11-10 19:35:09,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:09,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 19:35:09,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:09,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 19:35:09,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-10 19:35:09,681 INFO L87 Difference]: Start difference. First operand 224 states and 236 transitions. Second operand has 20 states, 19 states have (on average 17.736842105263158) internal successors, (337), 20 states have internal predecessors, (337), 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 19:35:10,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:10,017 INFO L93 Difference]: Finished difference Result 361 states and 395 transitions. [2024-11-10 19:35:10,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:35:10,017 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 17.736842105263158) internal successors, (337), 20 states have internal predecessors, (337), 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 157 [2024-11-10 19:35:10,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:10,018 INFO L225 Difference]: With dead ends: 361 [2024-11-10 19:35:10,018 INFO L226 Difference]: Without dead ends: 360 [2024-11-10 19:35:10,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-10 19:35:10,019 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 61 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:10,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 479 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:35:10,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-10 19:35:10,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2024-11-10 19:35:10,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 289 states have (on average 1.055363321799308) internal successors, (305), 295 states have internal predecessors, (305), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:35:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 351 transitions. [2024-11-10 19:35:10,036 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 351 transitions. Word has length 157 [2024-11-10 19:35:10,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:10,036 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 351 transitions. [2024-11-10 19:35:10,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 17.736842105263158) internal successors, (337), 20 states have internal predecessors, (337), 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 19:35:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 351 transitions. [2024-11-10 19:35:10,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-10 19:35:10,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:10,038 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-10 19:35:10,052 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 19:35:10,238 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 19:35:10,239 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:10,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:10,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1536855441, now seen corresponding path program 2 times [2024-11-10 19:35:10,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:10,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219360593] [2024-11-10 19:35:10,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:10,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:10,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:10,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:10,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:10,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:10,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:10,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:35:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:10,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:35:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:10,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 19:35:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:10,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 19:35:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:10,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 19:35:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:10,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 19:35:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:35:10,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:10,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219360593] [2024-11-10 19:35:10,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219360593] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:10,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445018641] [2024-11-10 19:35:10,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:35:10,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:10,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:10,435 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 19:35:10,436 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 19:35:10,488 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:35:10,488 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:10,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 19:35:10,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:10,840 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:35:10,840 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-10 19:35:11,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445018641] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:11,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:11,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-10 19:35:11,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727919991] [2024-11-10 19:35:11,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:11,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-10 19:35:11,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:11,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-10 19:35:11,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-10 19:35:11,132 INFO L87 Difference]: Start difference. First operand 324 states and 351 transitions. Second operand has 22 states, 21 states have (on average 18.0) internal successors, (378), 22 states have internal predecessors, (378), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-10 19:35:11,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:11,510 INFO L93 Difference]: Finished difference Result 404 states and 439 transitions. [2024-11-10 19:35:11,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 19:35:11,510 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 18.0) internal successors, (378), 22 states have internal predecessors, (378), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 187 [2024-11-10 19:35:11,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:11,512 INFO L225 Difference]: With dead ends: 404 [2024-11-10 19:35:11,512 INFO L226 Difference]: Without dead ends: 396 [2024-11-10 19:35:11,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-11-10 19:35:11,513 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 200 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:11,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 504 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:35:11,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-10 19:35:11,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 360. [2024-11-10 19:35:11,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 321 states have (on average 1.0529595015576323) internal successors, (338), 327 states have internal predecessors, (338), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 19:35:11,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 392 transitions. [2024-11-10 19:35:11,527 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 392 transitions. Word has length 187 [2024-11-10 19:35:11,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:11,528 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 392 transitions. [2024-11-10 19:35:11,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 18.0) internal successors, (378), 22 states have internal predecessors, (378), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-10 19:35:11,528 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 392 transitions. [2024-11-10 19:35:11,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-10 19:35:11,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:11,530 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:11,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-10 19:35:11,733 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 19:35:11,734 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:11,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:11,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1734289513, now seen corresponding path program 2 times [2024-11-10 19:35:11,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:11,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946174919] [2024-11-10 19:35:11,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:11,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:35:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:35:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 19:35:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 19:35:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 19:35:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 19:35:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 19:35:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 19:35:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:35:11,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:11,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946174919] [2024-11-10 19:35:11,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946174919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:11,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472459364] [2024-11-10 19:35:11,963 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:35:11,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:11,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:11,965 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 19:35:11,972 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 19:35:12,035 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:35:12,035 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:12,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:35:12,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 48 proven. 476 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-10 19:35:12,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:12,492 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:35:12,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472459364] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:12,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:12,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 12] total 25 [2024-11-10 19:35:12,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193586570] [2024-11-10 19:35:12,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:12,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 19:35:12,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:12,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 19:35:12,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2024-11-10 19:35:12,496 INFO L87 Difference]: Start difference. First operand 360 states and 392 transitions. Second operand has 25 states, 25 states have (on average 13.8) internal successors, (345), 25 states have internal predecessors, (345), 9 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 9 states have call predecessors, (38), 9 states have call successors, (38) [2024-11-10 19:35:12,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:12,873 INFO L93 Difference]: Finished difference Result 526 states and 556 transitions. [2024-11-10 19:35:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-10 19:35:12,874 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 13.8) internal successors, (345), 25 states have internal predecessors, (345), 9 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 9 states have call predecessors, (38), 9 states have call successors, (38) Word has length 230 [2024-11-10 19:35:12,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:12,875 INFO L225 Difference]: With dead ends: 526 [2024-11-10 19:35:12,876 INFO L226 Difference]: Without dead ends: 489 [2024-11-10 19:35:12,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=576, Invalid=1230, Unknown=0, NotChecked=0, Total=1806 [2024-11-10 19:35:12,877 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 157 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:12,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 969 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:35:12,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-10 19:35:12,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 474. [2024-11-10 19:35:12,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 424 states have (on average 1.0518867924528301) internal successors, (446), 430 states have internal predecessors, (446), 32 states have call successors, (32), 11 states have call predecessors, (32), 11 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-10 19:35:12,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 510 transitions. [2024-11-10 19:35:12,892 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 510 transitions. Word has length 230 [2024-11-10 19:35:12,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:12,892 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 510 transitions. [2024-11-10 19:35:12,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.8) internal successors, (345), 25 states have internal predecessors, (345), 9 states have call successors, (38), 6 states have call predecessors, (38), 6 states have return successors, (38), 9 states have call predecessors, (38), 9 states have call successors, (38) [2024-11-10 19:35:12,893 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 510 transitions. [2024-11-10 19:35:12,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-10 19:35:12,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:12,894 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-10 19:35:12,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-10 19:35:13,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:13,099 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:13,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:13,099 INFO L85 PathProgramCache]: Analyzing trace with hash 558256514, now seen corresponding path program 2 times [2024-11-10 19:35:13,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:13,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011138014] [2024-11-10 19:35:13,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:13,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:35:13,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [455487091] [2024-11-10 19:35:13,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:35:13,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:13,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:13,130 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 19:35:13,134 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 19:35:13,193 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:35:13,193 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:13,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:35:13,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 304 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:35:13,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:13,700 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 304 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-10 19:35:13,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:13,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011138014] [2024-11-10 19:35:13,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:35:13,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455487091] [2024-11-10 19:35:13,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455487091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:13,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:35:13,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-10 19:35:13,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207845421] [2024-11-10 19:35:13,701 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:13,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:35:13,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:13,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:35:13,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:35:13,702 INFO L87 Difference]: Start difference. First operand 474 states and 510 transitions. Second operand has 12 states, 11 states have (on average 30.181818181818183) internal successors, (332), 12 states have internal predecessors, (332), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-10 19:35:14,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:14,147 INFO L93 Difference]: Finished difference Result 496 states and 523 transitions. [2024-11-10 19:35:14,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:35:14,148 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 30.181818181818183) internal successors, (332), 12 states have internal predecessors, (332), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 230 [2024-11-10 19:35:14,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:14,150 INFO L225 Difference]: With dead ends: 496 [2024-11-10 19:35:14,151 INFO L226 Difference]: Without dead ends: 495 [2024-11-10 19:35:14,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:35:14,152 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 156 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:14,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 891 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:35:14,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-10 19:35:14,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 485. [2024-11-10 19:35:14,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 434 states have (on average 1.0391705069124424) internal successors, (451), 440 states have internal predecessors, (451), 33 states have call successors, (33), 11 states have call predecessors, (33), 11 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 19:35:14,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 517 transitions. [2024-11-10 19:35:14,180 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 517 transitions. Word has length 230 [2024-11-10 19:35:14,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:14,181 INFO L471 AbstractCegarLoop]: Abstraction has 485 states and 517 transitions. [2024-11-10 19:35:14,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 30.181818181818183) internal successors, (332), 12 states have internal predecessors, (332), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-10 19:35:14,181 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 517 transitions. [2024-11-10 19:35:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-10 19:35:14,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:14,183 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-10 19:35:14,198 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 19:35:14,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:14,384 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:14,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:14,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1857688787, now seen corresponding path program 2 times [2024-11-10 19:35:14,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:14,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196013321] [2024-11-10 19:35:14,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:14,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:35:14,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [158460062] [2024-11-10 19:35:14,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:35:14,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:14,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:14,415 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 19:35:14,417 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 19:35:14,563 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:35:14,564 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:14,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 19:35:14,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:14,765 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:35:14,766 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-10 19:35:15,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:15,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196013321] [2024-11-10 19:35:15,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:35:15,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158460062] [2024-11-10 19:35:15,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158460062] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:15,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:35:15,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-10 19:35:15,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981400962] [2024-11-10 19:35:15,107 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:15,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:35:15,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:15,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:35:15,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:35:15,108 INFO L87 Difference]: Start difference. First operand 485 states and 517 transitions. Second operand has 12 states, 11 states have (on average 30.545454545454547) internal successors, (336), 12 states have internal predecessors, (336), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-10 19:35:15,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:15,518 INFO L93 Difference]: Finished difference Result 491 states and 522 transitions. [2024-11-10 19:35:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:35:15,518 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 30.545454545454547) internal successors, (336), 12 states have internal predecessors, (336), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 237 [2024-11-10 19:35:15,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:15,521 INFO L225 Difference]: With dead ends: 491 [2024-11-10 19:35:15,521 INFO L226 Difference]: Without dead ends: 490 [2024-11-10 19:35:15,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:35:15,521 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 113 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:15,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 879 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:35:15,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-10 19:35:15,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 488. [2024-11-10 19:35:15,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 436 states have (on average 1.0275229357798166) internal successors, (448), 442 states have internal predecessors, (448), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 19:35:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 516 transitions. [2024-11-10 19:35:15,538 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 516 transitions. Word has length 237 [2024-11-10 19:35:15,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:15,539 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 516 transitions. [2024-11-10 19:35:15,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 30.545454545454547) internal successors, (336), 12 states have internal predecessors, (336), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-10 19:35:15,539 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 516 transitions. [2024-11-10 19:35:15,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-10 19:35:15,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:15,543 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1] [2024-11-10 19:35:15,550 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 19:35:15,743 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,SelfDestructingSolverStorable22 [2024-11-10 19:35:15,744 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:15,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:15,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1685862835, now seen corresponding path program 2 times [2024-11-10 19:35:15,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:15,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410494456] [2024-11-10 19:35:15,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:15,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:35:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:35:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 19:35:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 19:35:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 19:35:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 19:35:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 19:35:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 19:35:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 19:35:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 19:35:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-10 19:35:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-10 19:35:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 19:35:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-10 19:35:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-10 19:35:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 19:35:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 0 proven. 834 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-10 19:35:16,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:16,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410494456] [2024-11-10 19:35:16,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410494456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:16,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300184308] [2024-11-10 19:35:16,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:35:16,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:16,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:16,209 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 19:35:16,214 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 19:35:16,292 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:35:16,292 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:16,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:35:16,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 1590 trivial. 0 not checked. [2024-11-10 19:35:16,615 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 1590 trivial. 0 not checked. [2024-11-10 19:35:16,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300184308] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:35:16,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:35:16,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 23 [2024-11-10 19:35:16,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925205128] [2024-11-10 19:35:16,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:16,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 19:35:16,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:16,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 19:35:16,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:35:16,968 INFO L87 Difference]: Start difference. First operand 488 states and 516 transitions. Second operand has 24 states, 23 states have (on average 15.956521739130435) internal successors, (367), 24 states have internal predecessors, (367), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-10 19:35:18,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:18,337 INFO L93 Difference]: Finished difference Result 488 states and 516 transitions. [2024-11-10 19:35:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-10 19:35:18,341 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 15.956521739130435) internal successors, (367), 24 states have internal predecessors, (367), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 365 [2024-11-10 19:35:18,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:18,347 INFO L225 Difference]: With dead ends: 488 [2024-11-10 19:35:18,347 INFO L226 Difference]: Without dead ends: 487 [2024-11-10 19:35:18,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 763 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=511, Invalid=2795, Unknown=0, NotChecked=0, Total=3306 [2024-11-10 19:35:18,351 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 502 mSDsluCounter, 1630 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 1833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:18,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 1822 Invalid, 1833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:35:18,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-10 19:35:18,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2024-11-10 19:35:18,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 436 states have (on average 1.018348623853211) internal successors, (444), 441 states have internal predecessors, (444), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 19:35:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 512 transitions. [2024-11-10 19:35:18,384 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 512 transitions. Word has length 365 [2024-11-10 19:35:18,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:18,385 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 512 transitions. [2024-11-10 19:35:18,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 15.956521739130435) internal successors, (367), 24 states have internal predecessors, (367), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-10 19:35:18,385 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 512 transitions. [2024-11-10 19:35:18,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2024-11-10 19:35:18,388 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:18,388 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-10 19:35:18,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-10 19:35:18,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:18,589 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:18,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:18,589 INFO L85 PathProgramCache]: Analyzing trace with hash -263019631, now seen corresponding path program 3 times [2024-11-10 19:35:18,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:18,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199042428] [2024-11-10 19:35:18,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:18,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 19:35:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 19:35:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 19:35:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 19:35:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 19:35:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-10 19:35:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 19:35:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 19:35:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 19:35:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 19:35:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 19:35:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 19:35:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 19:35:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 19:35:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 19:35:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-10 19:35:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-11-10 19:35:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-10 19:35:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-11-10 19:35:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2024-11-10 19:35:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-11-10 19:35:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-11-10 19:35:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-11-10 19:35:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:35:19,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1999 backedges. 0 proven. 987 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-10 19:35:19,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:19,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199042428] [2024-11-10 19:35:19,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199042428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:19,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506405730] [2024-11-10 19:35:19,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:35:19,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:19,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:19,082 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 19:35:19,090 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 19:35:19,131 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-10 19:35:19,132 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:19,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 19:35:19,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:19,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1999 backedges. 126 proven. 201 refuted. 0 times theorem prover too weak. 1672 trivial. 0 not checked. [2024-11-10 19:35:19,521 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:20,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506405730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:20,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:35:20,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 23 [2024-11-10 19:35:20,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748996667] [2024-11-10 19:35:20,238 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:20,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 19:35:20,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:20,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 19:35:20,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=763, Unknown=0, NotChecked=0, Total=870 [2024-11-10 19:35:20,240 INFO L87 Difference]: Start difference. First operand 487 states and 512 transitions. Second operand has 24 states, 23 states have (on average 15.347826086956522) internal successors, (353), 24 states have internal predecessors, (353), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-10 19:35:23,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:23,209 INFO L93 Difference]: Finished difference Result 489 states and 514 transitions. [2024-11-10 19:35:23,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-10 19:35:23,210 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 15.347826086956522) internal successors, (353), 24 states have internal predecessors, (353), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 395 [2024-11-10 19:35:23,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:23,215 INFO L225 Difference]: With dead ends: 489 [2024-11-10 19:35:23,216 INFO L226 Difference]: Without dead ends: 485 [2024-11-10 19:35:23,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=964, Invalid=4586, Unknown=0, NotChecked=0, Total=5550 [2024-11-10 19:35:23,222 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 625 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 3022 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 1233 SdHoareTripleChecker+Invalid, 3116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:23,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 1233 Invalid, 3116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3022 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-10 19:35:23,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-10 19:35:23,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 483. [2024-11-10 19:35:23,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 434 states have (on average 1.0092165898617511) internal successors, (438), 437 states have internal predecessors, (438), 34 states have call successors, (34), 11 states have call predecessors, (34), 11 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 19:35:23,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 506 transitions. [2024-11-10 19:35:23,256 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 506 transitions. Word has length 395 [2024-11-10 19:35:23,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:23,257 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 506 transitions. [2024-11-10 19:35:23,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 15.347826086956522) internal successors, (353), 24 states have internal predecessors, (353), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-10 19:35:23,257 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 506 transitions. [2024-11-10 19:35:23,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2024-11-10 19:35:23,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:35:23,259 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:23,271 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 19:35:23,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:23,463 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-10 19:35:23,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:35:23,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1341167255, now seen corresponding path program 3 times [2024-11-10 19:35:23,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:35:23,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326588890] [2024-11-10 19:35:23,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:35:23,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:35:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:35:23,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1844240815] [2024-11-10 19:35:23,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:35:23,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:23,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:35:23,550 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 19:35:23,553 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 19:35:23,606 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 19:35:23,606 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:35:23,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 19:35:23,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:35:24,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3710 backedges. 228 proven. 131 refuted. 0 times theorem prover too weak. 3351 trivial. 0 not checked. [2024-11-10 19:35:24,199 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:35:31,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:35:31,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326588890] [2024-11-10 19:35:31,160 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:35:31,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844240815] [2024-11-10 19:35:31,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844240815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:35:31,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:35:31,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:35:31,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213117732] [2024-11-10 19:35:31,160 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:35:31,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:35:31,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:35:31,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:35:31,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:35:31,161 INFO L87 Difference]: Start difference. First operand 483 states and 506 transitions. Second operand has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 19:35:31,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:35:31,925 INFO L93 Difference]: Finished difference Result 485 states and 508 transitions. [2024-11-10 19:35:31,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:35:31,928 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 542 [2024-11-10 19:35:31,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:35:31,930 INFO L225 Difference]: With dead ends: 485 [2024-11-10 19:35:31,930 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 19:35:31,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 573 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:35:31,931 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 239 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:35:31,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 120 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 19:35:31,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 19:35:31,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 19:35:31,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:35:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 19:35:31,932 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 542 [2024-11-10 19:35:31,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:35:31,933 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 19:35:31,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-10 19:35:31,933 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 19:35:31,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 19:35:31,935 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2024-11-10 19:35:31,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2024-11-10 19:35:31,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2024-11-10 19:35:31,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2024-11-10 19:35:31,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2024-11-10 19:35:31,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2024-11-10 19:35:31,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2024-11-10 19:35:31,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2024-11-10 19:35:31,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2024-11-10 19:35:31,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2024-11-10 19:35:31,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2024-11-10 19:35:31,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2024-11-10 19:35:31,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2024-11-10 19:35:31,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2024-11-10 19:35:31,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2024-11-10 19:35:31,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2024-11-10 19:35:31,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2024-11-10 19:35:31,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2024-11-10 19:35:31,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2024-11-10 19:35:31,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2024-11-10 19:35:31,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2024-11-10 19:35:31,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2024-11-10 19:35:31,939 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2024-11-10 19:35:31,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2024-11-10 19:35:31,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2024-11-10 19:35:31,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2024-11-10 19:35:31,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2024-11-10 19:35:31,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2024-11-10 19:35:31,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2024-11-10 19:35:31,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2024-11-10 19:35:31,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2024-11-10 19:35:31,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2024-11-10 19:35:31,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2024-11-10 19:35:31,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2024-11-10 19:35:31,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2024-11-10 19:35:31,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2024-11-10 19:35:31,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2024-11-10 19:35:31,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2024-11-10 19:35:31,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2024-11-10 19:35:31,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2024-11-10 19:35:31,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2024-11-10 19:35:31,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2024-11-10 19:35:31,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2024-11-10 19:35:31,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2024-11-10 19:35:31,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2024-11-10 19:35:31,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2024-11-10 19:35:31,943 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2024-11-10 19:35:31,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2024-11-10 19:35:31,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2024-11-10 19:35:31,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2024-11-10 19:35:31,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2024-11-10 19:35:31,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2024-11-10 19:35:31,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-10 19:35:32,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:35:32,151 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:35:32,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 19:35:33,520 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 19:35:33,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:35:33 BoogieIcfgContainer [2024-11-10 19:35:33,548 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 19:35:33,548 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 19:35:33,548 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 19:35:33,548 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 19:35:33,549 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:35:00" (3/4) ... [2024-11-10 19:35:33,550 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 19:35:33,554 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-10 19:35:33,560 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-10 19:35:33,560 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 19:35:33,561 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 19:35:33,561 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 19:35:33,634 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 19:35:33,634 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 19:35:33,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 19:35:33,635 INFO L158 Benchmark]: Toolchain (without parser) took 33840.82ms. Allocated memory was 163.6MB in the beginning and 427.8MB in the end (delta: 264.2MB). Free memory was 96.7MB in the beginning and 321.4MB in the end (delta: -224.7MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-11-10 19:35:33,635 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 113.2MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:35:33,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.35ms. Allocated memory is still 163.6MB. Free memory was 96.6MB in the beginning and 137.4MB in the end (delta: -40.8MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-10 19:35:33,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.02ms. Allocated memory is still 163.6MB. Free memory was 137.4MB in the beginning and 135.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:35:33,636 INFO L158 Benchmark]: Boogie Preprocessor took 41.07ms. Allocated memory is still 163.6MB. Free memory was 135.5MB in the beginning and 134.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 19:35:33,636 INFO L158 Benchmark]: IcfgBuilder took 464.22ms. Allocated memory is still 163.6MB. Free memory was 134.1MB in the beginning and 114.6MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 19:35:33,636 INFO L158 Benchmark]: TraceAbstraction took 32920.89ms. Allocated memory was 163.6MB in the beginning and 427.8MB in the end (delta: 264.2MB). Free memory was 113.9MB in the beginning and 327.7MB in the end (delta: -213.8MB). Peak memory consumption was 237.0MB. Max. memory is 16.1GB. [2024-11-10 19:35:33,636 INFO L158 Benchmark]: Witness Printer took 86.48ms. Allocated memory is still 427.8MB. Free memory was 327.7MB in the beginning and 321.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 19:35:33,641 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 113.2MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.35ms. Allocated memory is still 163.6MB. Free memory was 96.6MB in the beginning and 137.4MB in the end (delta: -40.8MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.02ms. Allocated memory is still 163.6MB. Free memory was 137.4MB in the beginning and 135.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.07ms. Allocated memory is still 163.6MB. Free memory was 135.5MB in the beginning and 134.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 464.22ms. Allocated memory is still 163.6MB. Free memory was 134.1MB in the beginning and 114.6MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 32920.89ms. Allocated memory was 163.6MB in the beginning and 427.8MB in the end (delta: 264.2MB). Free memory was 113.9MB in the beginning and 327.7MB in the end (delta: -213.8MB). Peak memory consumption was 237.0MB. Max. memory is 16.1GB. * Witness Printer took 86.48ms. Allocated memory is still 427.8MB. Free memory was 327.7MB in the beginning and 321.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 129 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 31.5s, OverallIterations: 26, TraceHistogramMax: 31, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3909 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3842 mSDsluCounter, 11700 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9152 mSDsCounter, 460 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8974 IncrementalHoareTripleChecker+Invalid, 9434 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 460 mSolverCounterUnsat, 2548 mSDtfsCounter, 8974 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5495 GetRequests, 5129 SyntacticMatches, 0 SemanticMatches, 366 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3013 ImplicationChecksByTransitivity, 8.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=488occurred in iteration=23, InterpolantAutomatonStates: 276, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 26 MinimizatonAttempts, 522 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 6387 NumberOfCodeBlocks, 5592 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 7004 ConstructedInterpolants, 4 QuantifiedInterpolants, 29358 SizeOfPredicates, 27 NumberOfNonLiveVariables, 3581 ConjunctsInSsa, 135 ConjunctsInUnsatCore, 51 InterpolantComputations, 12 PerfectInterpolantSequences, 14310/19990 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 52 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (((cond != 0) || ((counter + 2147483648) < 0)) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-11-10 19:35:33,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE