./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark03_linear.i --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/loop-zilu/benchmark03_linear.i -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 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:53:42,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:53:42,349 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:53:42,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:53:42,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:53:42,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:53:42,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:53:42,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:53:42,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:53:42,406 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:53:42,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:53:42,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:53:42,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:53:42,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:53:42,412 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:53:42,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:53:42,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:53:42,413 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:53:42,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:53:42,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:53:42,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:53:42,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:53:42,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:53:42,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:53:42,415 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:53:42,415 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:53:42,415 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:53:42,415 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:53:42,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:53:42,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:53:42,416 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:53:42,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:53:42,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:53:42,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:53:42,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:53:42,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:53:42,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:53:42,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:53:42,425 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:53:42,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:53:42,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:53:42,426 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:53:42,426 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:53:42,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:53:42,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b [2024-11-10 18:53:42,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:53:42,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:53:42,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:53:42,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:53:42,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:53:42,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2024-11-10 18:53:43,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:53:44,124 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:53:44,125 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2024-11-10 18:53:44,130 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8085f62ea/559b6cdeeb154e09a4397b20b1d5fabf/FLAG73ad792d4 [2024-11-10 18:53:44,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8085f62ea/559b6cdeeb154e09a4397b20b1d5fabf [2024-11-10 18:53:44,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:53:44,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:53:44,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:53:44,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:53:44,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:53:44,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c22c2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44, skipping insertion in model container [2024-11-10 18:53:44,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:53:44,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:53:44,743 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:53:44,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:53:44,771 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:53:44,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44 WrapperNode [2024-11-10 18:53:44,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:53:44,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:53:44,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:53:44,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:53:44,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,800 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-10 18:53:44,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:53:44,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:53:44,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:53:44,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:53:44,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,812 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,824 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 18:53:44,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,830 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:53:44,835 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:53:44,835 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:53:44,835 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:53:44,840 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44" (1/1) ... [2024-11-10 18:53:44,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:53:44,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:44,873 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 18:53:44,882 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 18:53:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:53:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:53:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:53:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:53:44,972 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:53:44,974 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:53:45,139 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-10 18:53:45,140 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:53:45,153 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:53:45,153 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:53:45,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:53:45 BoogieIcfgContainer [2024-11-10 18:53:45,154 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:53:45,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:53:45,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:53:45,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:53:45,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:53:44" (1/3) ... [2024-11-10 18:53:45,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a12dbc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:53:45, skipping insertion in model container [2024-11-10 18:53:45,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:53:44" (2/3) ... [2024-11-10 18:53:45,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a12dbc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:53:45, skipping insertion in model container [2024-11-10 18:53:45,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:53:45" (3/3) ... [2024-11-10 18:53:45,160 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark03_linear.i [2024-11-10 18:53:45,173 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:53:45,174 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-10 18:53:45,217 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:53:45,223 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;@4be9fd3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:53:45,223 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-10 18:53:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 38 states have internal predecessors, (44), 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 18:53:45,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 18:53:45,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:45,231 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:53:45,231 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:45,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:45,235 INFO L85 PathProgramCache]: Analyzing trace with hash -2047613736, now seen corresponding path program 1 times [2024-11-10 18:53:45,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:45,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864258371] [2024-11-10 18:53:45,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:45,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:45,467 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 18:53:45,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:45,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864258371] [2024-11-10 18:53:45,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864258371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:45,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:45,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:53:45,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640876647] [2024-11-10 18:53:45,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:45,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:53:45,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:45,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:53:45,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:53:45,498 INFO L87 Difference]: Start difference. First operand has 39 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 38 states have internal predecessors, (44), 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) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:53:45,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:45,536 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2024-11-10 18:53:45,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:53:45,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 18:53:45,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:45,544 INFO L225 Difference]: With dead ends: 58 [2024-11-10 18:53:45,544 INFO L226 Difference]: Without dead ends: 36 [2024-11-10 18:53:45,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 18:53:45,548 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 8 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:45,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 95 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:45,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-10 18:53:45,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2024-11-10 18:53:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.44) internal successors, (36), 34 states have internal predecessors, (36), 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 18:53:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2024-11-10 18:53:45,573 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 6 [2024-11-10 18:53:45,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:45,573 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2024-11-10 18:53:45,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:53:45,574 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2024-11-10 18:53:45,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 18:53:45,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:45,574 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:45,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:53:45,575 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:45,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:45,575 INFO L85 PathProgramCache]: Analyzing trace with hash 959697864, now seen corresponding path program 1 times [2024-11-10 18:53:45,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:45,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217425553] [2024-11-10 18:53:45,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:45,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:45,636 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 18:53:45,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:45,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217425553] [2024-11-10 18:53:45,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217425553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:45,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:45,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:53:45,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691794532] [2024-11-10 18:53:45,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:45,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:53:45,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:45,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:53:45,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:53:45,640 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 18:53:45,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:45,663 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2024-11-10 18:53:45,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:53:45,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-10 18:53:45,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:45,664 INFO L225 Difference]: With dead ends: 41 [2024-11-10 18:53:45,664 INFO L226 Difference]: Without dead ends: 39 [2024-11-10 18:53:45,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 18:53:45,666 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:45,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 74 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:45,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-10 18:53:45,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2024-11-10 18:53:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 37 states have internal predecessors, (39), 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 18:53:45,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2024-11-10 18:53:45,670 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 9 [2024-11-10 18:53:45,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:45,670 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2024-11-10 18:53:45,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 18:53:45,671 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2024-11-10 18:53:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 18:53:45,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:45,671 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:45,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:53:45,671 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:45,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:45,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1238226061, now seen corresponding path program 1 times [2024-11-10 18:53:45,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:45,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253888185] [2024-11-10 18:53:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:45,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:45,767 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 18:53:45,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:45,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253888185] [2024-11-10 18:53:45,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253888185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:45,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:45,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:53:45,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876552982] [2024-11-10 18:53:45,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:45,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:53:45,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:45,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:53:45,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:53:45,770 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 18:53:45,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:45,808 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2024-11-10 18:53:45,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:53:45,809 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2024-11-10 18:53:45,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:45,809 INFO L225 Difference]: With dead ends: 43 [2024-11-10 18:53:45,810 INFO L226 Difference]: Without dead ends: 42 [2024-11-10 18:53:45,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:53:45,811 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 2 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:45,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 106 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:45,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-10 18:53:45,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2024-11-10 18:53:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 39 states have internal predecessors, (41), 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 18:53:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2024-11-10 18:53:45,815 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 12 [2024-11-10 18:53:45,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:45,815 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2024-11-10 18:53:45,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 18:53:45,816 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2024-11-10 18:53:45,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 18:53:45,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:45,816 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:45,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:53:45,816 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:45,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:45,817 INFO L85 PathProgramCache]: Analyzing trace with hash 269697765, now seen corresponding path program 1 times [2024-11-10 18:53:45,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:45,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634397257] [2024-11-10 18:53:45,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:45,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:45,931 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 18:53:45,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:45,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634397257] [2024-11-10 18:53:45,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634397257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:45,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:45,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:53:45,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466523695] [2024-11-10 18:53:45,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:45,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:53:45,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:45,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:53:45,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:53:45,933 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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 18:53:45,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:45,967 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2024-11-10 18:53:45,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:53:45,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2024-11-10 18:53:45,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:45,968 INFO L225 Difference]: With dead ends: 43 [2024-11-10 18:53:45,968 INFO L226 Difference]: Without dead ends: 42 [2024-11-10 18:53:45,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:53:45,969 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:45,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 107 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:45,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-10 18:53:45,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2024-11-10 18:53:45,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 40 states have internal predecessors, (42), 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 18:53:45,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2024-11-10 18:53:45,972 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 13 [2024-11-10 18:53:45,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:45,973 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2024-11-10 18:53:45,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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 18:53:45,973 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2024-11-10 18:53:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 18:53:45,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:45,973 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:45,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:53:45,973 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:45,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:45,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1481514115, now seen corresponding path program 1 times [2024-11-10 18:53:45,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:45,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910670860] [2024-11-10 18:53:45,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:45,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:46,065 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 18:53:46,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:46,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910670860] [2024-11-10 18:53:46,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910670860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:46,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:46,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:53:46,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398343912] [2024-11-10 18:53:46,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:46,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:53:46,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:46,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:53:46,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:53:46,069 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 18:53:46,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:46,117 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2024-11-10 18:53:46,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:53:46,118 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 15 [2024-11-10 18:53:46,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:46,118 INFO L225 Difference]: With dead ends: 46 [2024-11-10 18:53:46,118 INFO L226 Difference]: Without dead ends: 45 [2024-11-10 18:53:46,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:53:46,119 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 2 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:46,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 75 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:46,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-10 18:53:46,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2024-11-10 18:53:46,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 42 states have internal predecessors, (44), 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 18:53:46,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2024-11-10 18:53:46,127 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 15 [2024-11-10 18:53:46,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:46,127 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2024-11-10 18:53:46,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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 18:53:46,127 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2024-11-10 18:53:46,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 18:53:46,127 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:46,127 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:46,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:53:46,128 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:46,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:46,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1317702704, now seen corresponding path program 1 times [2024-11-10 18:53:46,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:46,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432158608] [2024-11-10 18:53:46,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:46,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:46,248 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 18:53:46,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:46,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432158608] [2024-11-10 18:53:46,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432158608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:46,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:46,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:53:46,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650203923] [2024-11-10 18:53:46,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:46,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:53:46,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:46,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:53:46,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:53:46,251 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 18:53:46,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:46,297 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2024-11-10 18:53:46,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:53:46,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 16 [2024-11-10 18:53:46,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:46,298 INFO L225 Difference]: With dead ends: 46 [2024-11-10 18:53:46,298 INFO L226 Difference]: Without dead ends: 45 [2024-11-10 18:53:46,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:53:46,300 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:46,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 79 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:46,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-10 18:53:46,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2024-11-10 18:53:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 43 states have internal predecessors, (45), 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 18:53:46,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2024-11-10 18:53:46,307 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 16 [2024-11-10 18:53:46,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:46,307 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2024-11-10 18:53:46,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 18:53:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2024-11-10 18:53:46,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 18:53:46,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:46,308 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:46,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:53:46,310 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:46,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:46,311 INFO L85 PathProgramCache]: Analyzing trace with hash 319816608, now seen corresponding path program 1 times [2024-11-10 18:53:46,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:46,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400519893] [2024-11-10 18:53:46,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:46,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:46,420 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 18:53:46,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:46,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400519893] [2024-11-10 18:53:46,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400519893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:46,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:46,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:53:46,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127084936] [2024-11-10 18:53:46,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:46,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:53:46,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:46,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:53:46,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:53:46,422 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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 18:53:46,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:46,474 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2024-11-10 18:53:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:53:46,474 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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 19 [2024-11-10 18:53:46,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:46,475 INFO L225 Difference]: With dead ends: 70 [2024-11-10 18:53:46,476 INFO L226 Difference]: Without dead ends: 69 [2024-11-10 18:53:46,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:53:46,477 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 22 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:46,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 111 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:46,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-10 18:53:46,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 47. [2024-11-10 18:53:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 46 states have internal predecessors, (49), 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 18:53:46,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2024-11-10 18:53:46,485 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 19 [2024-11-10 18:53:46,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:46,485 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2024-11-10 18:53:46,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 7 states have internal predecessors, (19), 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 18:53:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2024-11-10 18:53:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-10 18:53:46,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:46,486 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:46,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:53:46,486 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:46,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:46,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1324380236, now seen corresponding path program 1 times [2024-11-10 18:53:46,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:46,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693529984] [2024-11-10 18:53:46,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:46,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:46,568 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 18:53:46,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:46,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693529984] [2024-11-10 18:53:46,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693529984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:46,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:46,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:53:46,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352103233] [2024-11-10 18:53:46,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:46,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:53:46,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:46,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:53:46,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:53:46,571 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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 18:53:46,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:46,620 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2024-11-10 18:53:46,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:53:46,621 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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 20 [2024-11-10 18:53:46,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:46,621 INFO L225 Difference]: With dead ends: 70 [2024-11-10 18:53:46,621 INFO L226 Difference]: Without dead ends: 69 [2024-11-10 18:53:46,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:53:46,622 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 27 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:46,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 88 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:46,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-10 18:53:46,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 48. [2024-11-10 18:53:46,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 47 states have internal predecessors, (50), 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 18:53:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2024-11-10 18:53:46,628 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 20 [2024-11-10 18:53:46,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:46,628 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2024-11-10 18:53:46,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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 18:53:46,628 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2024-11-10 18:53:46,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 18:53:46,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:46,628 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:46,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:53:46,629 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:46,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:46,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1893828042, now seen corresponding path program 1 times [2024-11-10 18:53:46,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:46,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622929863] [2024-11-10 18:53:46,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:46,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:46,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:46,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:46,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622929863] [2024-11-10 18:53:46,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622929863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:46,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674593052] [2024-11-10 18:53:46,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:46,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:46,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:46,694 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 18:53:46,699 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 18:53:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:46,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:53:46,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:46,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:46,887 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:53:46,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674593052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:46,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:53:46,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 18:53:46,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98835611] [2024-11-10 18:53:46,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:46,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:53:46,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:46,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:53:46,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:53:46,889 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 18:53:46,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:46,916 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2024-11-10 18:53:46,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:53:46,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2024-11-10 18:53:46,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:46,917 INFO L225 Difference]: With dead ends: 48 [2024-11-10 18:53:46,917 INFO L226 Difference]: Without dead ends: 47 [2024-11-10 18:53:46,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:53:46,918 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 22 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:46,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 67 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:46,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-10 18:53:46,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-10 18:53:46,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 46 states have internal predecessors, (49), 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 18:53:46,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2024-11-10 18:53:46,920 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 21 [2024-11-10 18:53:46,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:46,921 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2024-11-10 18:53:46,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 18:53:46,921 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2024-11-10 18:53:46,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-10 18:53:46,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:46,921 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:46,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 18:53:47,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:47,126 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:47,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:47,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1420872844, now seen corresponding path program 1 times [2024-11-10 18:53:47,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:47,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483559349] [2024-11-10 18:53:47,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:47,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:47,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:47,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483559349] [2024-11-10 18:53:47,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483559349] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:47,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64064290] [2024-11-10 18:53:47,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:47,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:47,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:47,184 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 18:53:47,192 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 18:53:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:47,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:53:47,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:47,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:47,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:47,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64064290] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:47,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:47,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 18:53:47,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022510790] [2024-11-10 18:53:47,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:47,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:53:47,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:47,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:53:47,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:53:47,321 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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 18:53:47,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:47,361 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2024-11-10 18:53:47,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:53:47,361 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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 22 [2024-11-10 18:53:47,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:47,362 INFO L225 Difference]: With dead ends: 101 [2024-11-10 18:53:47,362 INFO L226 Difference]: Without dead ends: 100 [2024-11-10 18:53:47,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:53:47,363 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 54 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:47,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 136 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:47,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-10 18:53:47,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 88. [2024-11-10 18:53:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 87 states have internal predecessors, (108), 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 18:53:47,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 108 transitions. [2024-11-10 18:53:47,367 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 108 transitions. Word has length 22 [2024-11-10 18:53:47,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:47,368 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 108 transitions. [2024-11-10 18:53:47,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.545454545454546) internal successors, (50), 12 states have internal predecessors, (50), 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 18:53:47,368 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 108 transitions. [2024-11-10 18:53:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-10 18:53:47,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:47,368 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:47,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 18:53:47,572 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,SelfDestructingSolverStorable9 [2024-11-10 18:53:47,573 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:47,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:47,574 INFO L85 PathProgramCache]: Analyzing trace with hash -340797014, now seen corresponding path program 1 times [2024-11-10 18:53:47,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:47,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395752822] [2024-11-10 18:53:47,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:47,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:47,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:47,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395752822] [2024-11-10 18:53:47,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395752822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:47,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644667474] [2024-11-10 18:53:47,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:47,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:47,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:47,613 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 18:53:47,614 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 18:53:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:47,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:53:47,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:47,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:53:47,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644667474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:47,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:53:47,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 18:53:47,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255417740] [2024-11-10 18:53:47,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:47,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:53:47,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:47,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:53:47,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:53:47,689 INFO L87 Difference]: Start difference. First operand 88 states and 108 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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 18:53:47,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:47,712 INFO L93 Difference]: Finished difference Result 88 states and 108 transitions. [2024-11-10 18:53:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:53:47,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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 24 [2024-11-10 18:53:47,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:47,713 INFO L225 Difference]: With dead ends: 88 [2024-11-10 18:53:47,713 INFO L226 Difference]: Without dead ends: 87 [2024-11-10 18:53:47,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:53:47,714 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 11 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:47,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 54 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:47,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-10 18:53:47,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-10 18:53:47,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 79 states have (on average 1.3291139240506329) internal successors, (105), 86 states have internal predecessors, (105), 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 18:53:47,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 105 transitions. [2024-11-10 18:53:47,720 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 105 transitions. Word has length 24 [2024-11-10 18:53:47,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:47,721 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 105 transitions. [2024-11-10 18:53:47,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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 18:53:47,721 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2024-11-10 18:53:47,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 18:53:47,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:47,721 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:47,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:53:47,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:47,922 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:47,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:47,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1974772845, now seen corresponding path program 1 times [2024-11-10 18:53:47,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:47,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030448192] [2024-11-10 18:53:47,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:47,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:47,971 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:47,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:47,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030448192] [2024-11-10 18:53:47,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030448192] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:47,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597879841] [2024-11-10 18:53:47,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:47,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:47,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:47,973 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 18:53:47,974 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 18:53:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:48,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:53:48,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:48,042 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:48,042 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:48,096 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:48,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597879841] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:48,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:48,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 18:53:48,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363656072] [2024-11-10 18:53:48,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:48,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:53:48,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:48,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:53:48,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:53:48,098 INFO L87 Difference]: Start difference. First operand 87 states and 105 transitions. Second operand has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 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 18:53:48,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:48,139 INFO L93 Difference]: Finished difference Result 99 states and 109 transitions. [2024-11-10 18:53:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:53:48,139 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 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 25 [2024-11-10 18:53:48,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:48,140 INFO L225 Difference]: With dead ends: 99 [2024-11-10 18:53:48,140 INFO L226 Difference]: Without dead ends: 98 [2024-11-10 18:53:48,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:53:48,140 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 33 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:48,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 113 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:48,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-10 18:53:48,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 90. [2024-11-10 18:53:48,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 82 states have (on average 1.2926829268292683) internal successors, (106), 89 states have internal predecessors, (106), 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 18:53:48,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 106 transitions. [2024-11-10 18:53:48,144 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 106 transitions. Word has length 25 [2024-11-10 18:53:48,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:48,144 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 106 transitions. [2024-11-10 18:53:48,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 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 18:53:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 106 transitions. [2024-11-10 18:53:48,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 18:53:48,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:48,145 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:48,157 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 18:53:48,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:48,346 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:48,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:48,346 INFO L85 PathProgramCache]: Analyzing trace with hash 618840657, now seen corresponding path program 1 times [2024-11-10 18:53:48,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:48,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637048187] [2024-11-10 18:53:48,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:48,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:48,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:48,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637048187] [2024-11-10 18:53:48,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637048187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:48,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358892618] [2024-11-10 18:53:48,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:48,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:48,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:48,418 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 18:53:48,419 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 18:53:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:48,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:53:48,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:48,618 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:53:48,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358892618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:48,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:53:48,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 15 [2024-11-10 18:53:48,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910468662] [2024-11-10 18:53:48,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:48,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 18:53:48,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:48,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 18:53:48,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:53:48,620 INFO L87 Difference]: Start difference. First operand 90 states and 106 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 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 18:53:48,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:48,660 INFO L93 Difference]: Finished difference Result 90 states and 106 transitions. [2024-11-10 18:53:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:53:48,660 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 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 27 [2024-11-10 18:53:48,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:48,661 INFO L225 Difference]: With dead ends: 90 [2024-11-10 18:53:48,661 INFO L226 Difference]: Without dead ends: 89 [2024-11-10 18:53:48,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-10 18:53:48,662 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 43 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:48,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 86 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:48,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-10 18:53:48,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-10 18:53:48,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.2560975609756098) internal successors, (103), 88 states have internal predecessors, (103), 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 18:53:48,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 103 transitions. [2024-11-10 18:53:48,666 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 103 transitions. Word has length 27 [2024-11-10 18:53:48,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:48,666 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 103 transitions. [2024-11-10 18:53:48,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 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 18:53:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2024-11-10 18:53:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 18:53:48,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:48,667 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:48,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 18:53:48,870 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,SelfDestructingSolverStorable12 [2024-11-10 18:53:48,871 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:48,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:48,872 INFO L85 PathProgramCache]: Analyzing trace with hash 2004191175, now seen corresponding path program 1 times [2024-11-10 18:53:48,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:48,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300268895] [2024-11-10 18:53:48,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:48,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:48,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:48,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300268895] [2024-11-10 18:53:48,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300268895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:48,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198636474] [2024-11-10 18:53:48,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:48,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:48,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:48,954 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 18:53:48,955 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 18:53:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:48,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:53:48,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:49,111 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:49,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198636474] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:49,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:49,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-10 18:53:49,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068343304] [2024-11-10 18:53:49,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:49,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 18:53:49,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:49,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 18:53:49,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:53:49,216 INFO L87 Difference]: Start difference. First operand 89 states and 103 transitions. Second operand has 23 states, 22 states have (on average 3.727272727272727) internal successors, (82), 23 states have internal predecessors, (82), 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 18:53:49,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:49,343 INFO L93 Difference]: Finished difference Result 101 states and 107 transitions. [2024-11-10 18:53:49,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 18:53:49,344 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 3.727272727272727) internal successors, (82), 23 states have internal predecessors, (82), 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 28 [2024-11-10 18:53:49,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:49,344 INFO L225 Difference]: With dead ends: 101 [2024-11-10 18:53:49,344 INFO L226 Difference]: Without dead ends: 100 [2024-11-10 18:53:49,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2024-11-10 18:53:49,345 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 74 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:49,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 302 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:49,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-10 18:53:49,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 92. [2024-11-10 18:53:49,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.223529411764706) internal successors, (104), 91 states have internal predecessors, (104), 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 18:53:49,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2024-11-10 18:53:49,348 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 28 [2024-11-10 18:53:49,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:49,348 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2024-11-10 18:53:49,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 3.727272727272727) internal successors, (82), 23 states have internal predecessors, (82), 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 18:53:49,348 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2024-11-10 18:53:49,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 18:53:49,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:49,349 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:49,365 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 18:53:49,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:49,550 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:49,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:49,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1882370277, now seen corresponding path program 1 times [2024-11-10 18:53:49,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:49,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10061071] [2024-11-10 18:53:49,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:49,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:49,614 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:49,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:49,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10061071] [2024-11-10 18:53:49,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10061071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:49,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924108135] [2024-11-10 18:53:49,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:49,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:49,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:49,619 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 18:53:49,622 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 18:53:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:49,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:53:49,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:49,781 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:53:49,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924108135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:49,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:53:49,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 15 [2024-11-10 18:53:49,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999774009] [2024-11-10 18:53:49,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:49,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 18:53:49,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:49,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 18:53:49,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:53:49,782 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand has 9 states, 8 states have (on average 3.75) internal successors, (30), 9 states have internal predecessors, (30), 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 18:53:49,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:49,836 INFO L93 Difference]: Finished difference Result 92 states and 104 transitions. [2024-11-10 18:53:49,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:53:49,836 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 9 states have internal predecessors, (30), 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 30 [2024-11-10 18:53:49,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:49,836 INFO L225 Difference]: With dead ends: 92 [2024-11-10 18:53:49,837 INFO L226 Difference]: Without dead ends: 90 [2024-11-10 18:53:49,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-10 18:53:49,837 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 22 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:49,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 74 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:49,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-10 18:53:49,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-10 18:53:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 85 states have (on average 1.1529411764705881) internal successors, (98), 89 states have internal predecessors, (98), 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 18:53:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 98 transitions. [2024-11-10 18:53:49,840 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 98 transitions. Word has length 30 [2024-11-10 18:53:49,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:49,840 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 98 transitions. [2024-11-10 18:53:49,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 9 states have internal predecessors, (30), 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 18:53:49,840 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 98 transitions. [2024-11-10 18:53:49,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-10 18:53:49,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:49,841 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:49,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 18:53:50,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:50,044 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:50,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:50,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1776063570, now seen corresponding path program 1 times [2024-11-10 18:53:50,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:50,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538413138] [2024-11-10 18:53:50,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:50,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:50,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:50,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538413138] [2024-11-10 18:53:50,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538413138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:50,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586645028] [2024-11-10 18:53:50,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:50,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:50,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:50,132 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 18:53:50,133 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 18:53:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:50,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:53:50,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:50,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:50,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586645028] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:50,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:50,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-10 18:53:50,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282263979] [2024-11-10 18:53:50,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:50,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 18:53:50,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:50,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 18:53:50,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:53:50,385 INFO L87 Difference]: Start difference. First operand 90 states and 98 transitions. Second operand has 23 states, 22 states have (on average 4.136363636363637) internal successors, (91), 23 states have internal predecessors, (91), 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 18:53:50,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:50,566 INFO L93 Difference]: Finished difference Result 164 states and 178 transitions. [2024-11-10 18:53:50,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 18:53:50,567 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.136363636363637) internal successors, (91), 23 states have internal predecessors, (91), 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 31 [2024-11-10 18:53:50,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:50,568 INFO L225 Difference]: With dead ends: 164 [2024-11-10 18:53:50,568 INFO L226 Difference]: Without dead ends: 163 [2024-11-10 18:53:50,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2024-11-10 18:53:50,569 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 62 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:50,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 200 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:50,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-10 18:53:50,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 146. [2024-11-10 18:53:50,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 141 states have (on average 1.099290780141844) internal successors, (155), 145 states have internal predecessors, (155), 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 18:53:50,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 155 transitions. [2024-11-10 18:53:50,572 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 155 transitions. Word has length 31 [2024-11-10 18:53:50,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:50,573 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 155 transitions. [2024-11-10 18:53:50,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.136363636363637) internal successors, (91), 23 states have internal predecessors, (91), 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 18:53:50,573 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 155 transitions. [2024-11-10 18:53:50,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 18:53:50,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:50,574 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:50,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 18:53:50,774 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,SelfDestructingSolverStorable15 [2024-11-10 18:53:50,775 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:50,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:50,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1174189782, now seen corresponding path program 1 times [2024-11-10 18:53:50,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:50,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650463982] [2024-11-10 18:53:50,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:50,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:50,816 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:50,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:50,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650463982] [2024-11-10 18:53:50,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650463982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:50,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:50,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:53:50,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141874861] [2024-11-10 18:53:50,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:50,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:53:50,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:50,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:53:50,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:53:50,817 INFO L87 Difference]: Start difference. First operand 146 states and 155 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 18:53:50,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:50,829 INFO L93 Difference]: Finished difference Result 231 states and 247 transitions. [2024-11-10 18:53:50,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:53:50,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2024-11-10 18:53:50,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:50,832 INFO L225 Difference]: With dead ends: 231 [2024-11-10 18:53:50,832 INFO L226 Difference]: Without dead ends: 177 [2024-11-10 18:53:50,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 18:53:50,833 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:50,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 66 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:50,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-10 18:53:50,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 173. [2024-11-10 18:53:50,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 168 states have (on average 1.0952380952380953) internal successors, (184), 172 states have internal predecessors, (184), 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 18:53:50,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 184 transitions. [2024-11-10 18:53:50,838 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 184 transitions. Word has length 35 [2024-11-10 18:53:50,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:50,839 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 184 transitions. [2024-11-10 18:53:50,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 18:53:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 184 transitions. [2024-11-10 18:53:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 18:53:50,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:50,841 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 18:53:50,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 18:53:50,841 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:50,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:50,841 INFO L85 PathProgramCache]: Analyzing trace with hash -620957670, now seen corresponding path program 1 times [2024-11-10 18:53:50,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:50,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228443389] [2024-11-10 18:53:50,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:50,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:50,935 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:50,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:50,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228443389] [2024-11-10 18:53:50,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228443389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:50,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396939716] [2024-11-10 18:53:50,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:50,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:50,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:50,937 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 18:53:50,938 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 18:53:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:50,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 18:53:50,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:51,237 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:51,237 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:51,460 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:51,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396939716] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:51,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:51,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 27 [2024-11-10 18:53:51,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161948455] [2024-11-10 18:53:51,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:51,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-10 18:53:51,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:51,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-10 18:53:51,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=582, Unknown=0, NotChecked=0, Total=756 [2024-11-10 18:53:51,461 INFO L87 Difference]: Start difference. First operand 173 states and 184 transitions. Second operand has 28 states, 27 states have (on average 4.037037037037037) internal successors, (109), 28 states have internal predecessors, (109), 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 18:53:51,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:51,651 INFO L93 Difference]: Finished difference Result 207 states and 218 transitions. [2024-11-10 18:53:51,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 18:53:51,651 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 4.037037037037037) internal successors, (109), 28 states have internal predecessors, (109), 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 38 [2024-11-10 18:53:51,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:51,652 INFO L225 Difference]: With dead ends: 207 [2024-11-10 18:53:51,652 INFO L226 Difference]: Without dead ends: 205 [2024-11-10 18:53:51,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=290, Invalid=970, Unknown=0, NotChecked=0, Total=1260 [2024-11-10 18:53:51,653 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 138 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:51,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 210 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:51,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-10 18:53:51,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 158. [2024-11-10 18:53:51,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 153 states have (on average 1.0849673202614378) internal successors, (166), 157 states have internal predecessors, (166), 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 18:53:51,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 166 transitions. [2024-11-10 18:53:51,657 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 166 transitions. Word has length 38 [2024-11-10 18:53:51,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:51,657 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 166 transitions. [2024-11-10 18:53:51,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 4.037037037037037) internal successors, (109), 28 states have internal predecessors, (109), 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 18:53:51,657 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 166 transitions. [2024-11-10 18:53:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 18:53:51,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:51,662 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 18:53:51,681 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 18:53:51,863 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,SelfDestructingSolverStorable17 [2024-11-10 18:53:51,863 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:51,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:51,864 INFO L85 PathProgramCache]: Analyzing trace with hash -803300846, now seen corresponding path program 1 times [2024-11-10 18:53:51,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:51,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250148214] [2024-11-10 18:53:51,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:51,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-10 18:53:51,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:51,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250148214] [2024-11-10 18:53:51,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250148214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:53:51,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:53:51,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:53:51,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249216712] [2024-11-10 18:53:51,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:53:51,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:53:51,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:51,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:53:51,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:53:51,902 INFO L87 Difference]: Start difference. First operand 158 states and 166 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 18:53:51,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:51,909 INFO L93 Difference]: Finished difference Result 209 states and 213 transitions. [2024-11-10 18:53:51,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:53:51,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 67 [2024-11-10 18:53:51,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:51,910 INFO L225 Difference]: With dead ends: 209 [2024-11-10 18:53:51,910 INFO L226 Difference]: Without dead ends: 152 [2024-11-10 18:53:51,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 18:53:51,911 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 5 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:51,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 64 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:53:51,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-10 18:53:51,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 148. [2024-11-10 18:53:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.06993006993007) internal successors, (153), 147 states have internal predecessors, (153), 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 18:53:51,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 153 transitions. [2024-11-10 18:53:51,916 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 153 transitions. Word has length 67 [2024-11-10 18:53:51,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:51,916 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 153 transitions. [2024-11-10 18:53:51,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 18:53:51,916 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 153 transitions. [2024-11-10 18:53:51,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 18:53:51,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:51,917 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-11-10 18:53:51,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 18:53:51,918 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:51,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:51,918 INFO L85 PathProgramCache]: Analyzing trace with hash 2041775530, now seen corresponding path program 2 times [2024-11-10 18:53:51,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:51,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538055050] [2024-11-10 18:53:51,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:51,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:52,025 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:52,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:52,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538055050] [2024-11-10 18:53:52,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538055050] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:52,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256871928] [2024-11-10 18:53:52,026 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:53:52,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:52,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:52,027 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 18:53:52,032 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 18:53:52,102 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:53:52,102 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:53:52,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:53:52,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:52,184 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:52,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256871928] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:52,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:52,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-10 18:53:52,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971679510] [2024-11-10 18:53:52,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:52,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 18:53:52,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:52,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 18:53:52,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:53:52,337 INFO L87 Difference]: Start difference. First operand 148 states and 153 transitions. Second operand has 24 states, 23 states have (on average 6.086956521739131) internal successors, (140), 24 states have internal predecessors, (140), 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 18:53:52,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:52,423 INFO L93 Difference]: Finished difference Result 349 states and 385 transitions. [2024-11-10 18:53:52,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 18:53:52,424 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.086956521739131) internal successors, (140), 24 states have internal predecessors, (140), 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 67 [2024-11-10 18:53:52,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:52,426 INFO L225 Difference]: With dead ends: 349 [2024-11-10 18:53:52,426 INFO L226 Difference]: Without dead ends: 348 [2024-11-10 18:53:52,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:53:52,427 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 116 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:52,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 255 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:52,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-10 18:53:52,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 331. [2024-11-10 18:53:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 326 states have (on average 1.1441717791411044) internal successors, (373), 330 states have internal predecessors, (373), 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 18:53:52,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 373 transitions. [2024-11-10 18:53:52,435 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 373 transitions. Word has length 67 [2024-11-10 18:53:52,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:52,435 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 373 transitions. [2024-11-10 18:53:52,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.086956521739131) internal successors, (140), 24 states have internal predecessors, (140), 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 18:53:52,435 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 373 transitions. [2024-11-10 18:53:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-10 18:53:52,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:52,453 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-11-10 18:53:52,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 18:53:52,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:52,654 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:52,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:52,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1033998778, now seen corresponding path program 1 times [2024-11-10 18:53:52,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:52,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403621662] [2024-11-10 18:53:52,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:52,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:52,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:52,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403621662] [2024-11-10 18:53:52,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403621662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:52,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601884691] [2024-11-10 18:53:52,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:52,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:52,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:52,852 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 18:53:52,859 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 18:53:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:52,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 18:53:52,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:53,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:53,598 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:53,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601884691] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:53,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:53,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 49 [2024-11-10 18:53:53,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021382783] [2024-11-10 18:53:53,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:53,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-10 18:53:53,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:53,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-10 18:53:53,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=1987, Unknown=0, NotChecked=0, Total=2450 [2024-11-10 18:53:53,601 INFO L87 Difference]: Start difference. First operand 331 states and 373 transitions. Second operand has 50 states, 49 states have (on average 4.244897959183674) internal successors, (208), 50 states have internal predecessors, (208), 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 18:53:54,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:54,074 INFO L93 Difference]: Finished difference Result 337 states and 373 transitions. [2024-11-10 18:53:54,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-10 18:53:54,075 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 4.244897959183674) internal successors, (208), 50 states have internal predecessors, (208), 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 70 [2024-11-10 18:53:54,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:54,076 INFO L225 Difference]: With dead ends: 337 [2024-11-10 18:53:54,076 INFO L226 Difference]: Without dead ends: 336 [2024-11-10 18:53:54,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1516 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2024-11-10 18:53:54,077 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 141 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:54,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 375 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:53:54,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-10 18:53:54,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 331. [2024-11-10 18:53:54,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 326 states have (on average 1.1196319018404908) internal successors, (365), 330 states have internal predecessors, (365), 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 18:53:54,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 365 transitions. [2024-11-10 18:53:54,083 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 365 transitions. Word has length 70 [2024-11-10 18:53:54,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:54,084 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 365 transitions. [2024-11-10 18:53:54,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 4.244897959183674) internal successors, (208), 50 states have internal predecessors, (208), 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 18:53:54,084 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 365 transitions. [2024-11-10 18:53:54,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-10 18:53:54,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:54,084 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-11-10 18:53:54,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 18:53:54,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-10 18:53:54,288 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:54,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:54,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1207969205, now seen corresponding path program 2 times [2024-11-10 18:53:54,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:54,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289900065] [2024-11-10 18:53:54,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:54,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:54,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:54,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289900065] [2024-11-10 18:53:54,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289900065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:54,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812041850] [2024-11-10 18:53:54,447 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:53:54,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:54,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:54,449 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 18:53:54,450 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 18:53:54,488 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:53:54,488 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:53:54,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:53:54,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:54,599 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:54,599 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:54,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812041850] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:54,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:54,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-10 18:53:54,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778345284] [2024-11-10 18:53:54,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:54,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 18:53:54,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:54,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 18:53:54,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:53:54,762 INFO L87 Difference]: Start difference. First operand 331 states and 365 transitions. Second operand has 24 states, 23 states have (on average 6.478260869565218) internal successors, (149), 24 states have internal predecessors, (149), 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 18:53:54,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:54,848 INFO L93 Difference]: Finished difference Result 349 states and 373 transitions. [2024-11-10 18:53:54,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 18:53:54,849 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.478260869565218) internal successors, (149), 24 states have internal predecessors, (149), 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 70 [2024-11-10 18:53:54,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:54,850 INFO L225 Difference]: With dead ends: 349 [2024-11-10 18:53:54,851 INFO L226 Difference]: Without dead ends: 348 [2024-11-10 18:53:54,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-10 18:53:54,851 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 84 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:54,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 250 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:54,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-10 18:53:54,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 337. [2024-11-10 18:53:54,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 332 states have (on average 1.0873493975903614) internal successors, (361), 336 states have internal predecessors, (361), 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 18:53:54,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 361 transitions. [2024-11-10 18:53:54,858 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 361 transitions. Word has length 70 [2024-11-10 18:53:54,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:54,858 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 361 transitions. [2024-11-10 18:53:54,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.478260869565218) internal successors, (149), 24 states have internal predecessors, (149), 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 18:53:54,858 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 361 transitions. [2024-11-10 18:53:54,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-10 18:53:54,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:54,859 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-11-10 18:53:54,871 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 18:53:55,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-10 18:53:55,060 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:55,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:55,060 INFO L85 PathProgramCache]: Analyzing trace with hash -920391067, now seen corresponding path program 2 times [2024-11-10 18:53:55,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:55,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897048936] [2024-11-10 18:53:55,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:55,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:55,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:55,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897048936] [2024-11-10 18:53:55,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897048936] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:55,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612235247] [2024-11-10 18:53:55,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:53:55,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:55,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:55,369 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 18:53:55,373 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 18:53:55,414 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:53:55,415 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:53:55,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 18:53:55,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:55,796 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:55,796 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:56,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612235247] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:56,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:56,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 49 [2024-11-10 18:53:56,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386750269] [2024-11-10 18:53:56,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:56,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-10 18:53:56,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:56,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-10 18:53:56,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=422, Invalid=2028, Unknown=0, NotChecked=0, Total=2450 [2024-11-10 18:53:56,098 INFO L87 Difference]: Start difference. First operand 337 states and 361 transitions. Second operand has 50 states, 49 states have (on average 4.428571428571429) internal successors, (217), 50 states have internal predecessors, (217), 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 18:53:56,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:56,529 INFO L93 Difference]: Finished difference Result 352 states and 369 transitions. [2024-11-10 18:53:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-10 18:53:56,530 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 4.428571428571429) internal successors, (217), 50 states have internal predecessors, (217), 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 73 [2024-11-10 18:53:56,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:56,531 INFO L225 Difference]: With dead ends: 352 [2024-11-10 18:53:56,531 INFO L226 Difference]: Without dead ends: 351 [2024-11-10 18:53:56,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1495 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=692, Invalid=3340, Unknown=0, NotChecked=0, Total=4032 [2024-11-10 18:53:56,532 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 207 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:56,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 496 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:53:56,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-10 18:53:56,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 343. [2024-11-10 18:53:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 338 states have (on average 1.0562130177514792) internal successors, (357), 342 states have internal predecessors, (357), 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 18:53:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 357 transitions. [2024-11-10 18:53:56,539 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 357 transitions. Word has length 73 [2024-11-10 18:53:56,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:56,539 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 357 transitions. [2024-11-10 18:53:56,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 4.428571428571429) internal successors, (217), 50 states have internal predecessors, (217), 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 18:53:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 357 transitions. [2024-11-10 18:53:56,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-10 18:53:56,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:56,540 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1] [2024-11-10 18:53:56,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 18:53:56,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-10 18:53:56,741 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:56,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:56,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1968731850, now seen corresponding path program 2 times [2024-11-10 18:53:56,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:56,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634271684] [2024-11-10 18:53:56,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:56,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:56,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:56,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634271684] [2024-11-10 18:53:56,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634271684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:56,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849104567] [2024-11-10 18:53:56,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:53:56,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:56,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:56,965 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 18:53:56,966 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 18:53:57,005 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:53:57,005 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:53:57,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 18:53:57,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:57,335 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:57,335 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:53:57,647 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:57,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849104567] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:53:57,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:53:57,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 51 [2024-11-10 18:53:57,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907185189] [2024-11-10 18:53:57,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:53:57,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-10 18:53:57,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:53:57,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-10 18:53:57,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=502, Invalid=2150, Unknown=0, NotChecked=0, Total=2652 [2024-11-10 18:53:57,649 INFO L87 Difference]: Start difference. First operand 343 states and 357 transitions. Second operand has 52 states, 51 states have (on average 4.254901960784314) internal successors, (217), 52 states have internal predecessors, (217), 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 18:53:58,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:53:58,157 INFO L93 Difference]: Finished difference Result 344 states and 357 transitions. [2024-11-10 18:53:58,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-10 18:53:58,157 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 51 states have (on average 4.254901960784314) internal successors, (217), 52 states have internal predecessors, (217), 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 74 [2024-11-10 18:53:58,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:53:58,158 INFO L225 Difference]: With dead ends: 344 [2024-11-10 18:53:58,158 INFO L226 Difference]: Without dead ends: 343 [2024-11-10 18:53:58,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1750 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=891, Invalid=3801, Unknown=0, NotChecked=0, Total=4692 [2024-11-10 18:53:58,160 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 282 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:53:58,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 348 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:53:58,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-10 18:53:58,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2024-11-10 18:53:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 338 states have (on average 1.044378698224852) internal successors, (353), 342 states have internal predecessors, (353), 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 18:53:58,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 353 transitions. [2024-11-10 18:53:58,171 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 353 transitions. Word has length 74 [2024-11-10 18:53:58,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:53:58,171 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 353 transitions. [2024-11-10 18:53:58,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 4.254901960784314) internal successors, (217), 52 states have internal predecessors, (217), 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 18:53:58,171 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 353 transitions. [2024-11-10 18:53:58,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-10 18:53:58,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:53:58,172 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 1, 1, 1, 1] [2024-11-10 18:53:58,187 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 18:53:58,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:58,377 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:53:58,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:53:58,378 INFO L85 PathProgramCache]: Analyzing trace with hash -716966704, now seen corresponding path program 2 times [2024-11-10 18:53:58,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:53:58,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920414632] [2024-11-10 18:53:58,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:53:58,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:53:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:53:58,969 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 0 proven. 524 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:58,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:53:58,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920414632] [2024-11-10 18:53:58,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920414632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:53:58,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442771594] [2024-11-10 18:53:58,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:53:58,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:53:58,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:53:58,972 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 18:53:58,975 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 18:53:59,031 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:53:59,031 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:53:59,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-10 18:53:59,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:53:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 0 proven. 524 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:53:59,845 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:00,622 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 0 proven. 524 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:00,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442771594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:00,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:00,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 85 [2024-11-10 18:54:00,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418578691] [2024-11-10 18:54:00,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:00,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-11-10 18:54:00,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:00,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-11-10 18:54:00,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1096, Invalid=6214, Unknown=0, NotChecked=0, Total=7310 [2024-11-10 18:54:00,627 INFO L87 Difference]: Start difference. First operand 343 states and 353 transitions. Second operand has 86 states, 85 states have (on average 4.776470588235294) internal successors, (406), 86 states have internal predecessors, (406), 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 18:54:02,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:02,494 INFO L93 Difference]: Finished difference Result 484 states and 509 transitions. [2024-11-10 18:54:02,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-11-10 18:54:02,495 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 85 states have (on average 4.776470588235294) internal successors, (406), 86 states have internal predecessors, (406), 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 136 [2024-11-10 18:54:02,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:02,496 INFO L225 Difference]: With dead ends: 484 [2024-11-10 18:54:02,496 INFO L226 Difference]: Without dead ends: 483 [2024-11-10 18:54:02,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5817 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2559, Invalid=13191, Unknown=0, NotChecked=0, Total=15750 [2024-11-10 18:54:02,499 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 476 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:02,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 777 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:54:02,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-10 18:54:02,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 466. [2024-11-10 18:54:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 461 states have (on average 1.0824295010845988) internal successors, (499), 465 states have internal predecessors, (499), 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 18:54:02,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 499 transitions. [2024-11-10 18:54:02,509 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 499 transitions. Word has length 136 [2024-11-10 18:54:02,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:02,510 INFO L471 AbstractCegarLoop]: Abstraction has 466 states and 499 transitions. [2024-11-10 18:54:02,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 85 states have (on average 4.776470588235294) internal successors, (406), 86 states have internal predecessors, (406), 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 18:54:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 499 transitions. [2024-11-10 18:54:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 18:54:02,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:02,511 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1] [2024-11-10 18:54:02,525 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 18:54:02,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:02,715 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:54:02,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:02,716 INFO L85 PathProgramCache]: Analyzing trace with hash 379225586, now seen corresponding path program 2 times [2024-11-10 18:54:02,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:02,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677963883] [2024-11-10 18:54:02,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:02,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 469 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:03,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:03,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677963883] [2024-11-10 18:54:03,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677963883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:03,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185157147] [2024-11-10 18:54:03,298 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:54:03,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:03,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:03,299 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 18:54:03,300 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 18:54:03,349 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:54:03,350 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:03,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-10 18:54:03,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:04,213 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 469 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:04,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:05,196 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 469 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:05,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185157147] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:05,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:05,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 97 [2024-11-10 18:54:05,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963798903] [2024-11-10 18:54:05,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:05,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-11-10 18:54:05,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:05,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-11-10 18:54:05,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1543, Invalid=7963, Unknown=0, NotChecked=0, Total=9506 [2024-11-10 18:54:05,200 INFO L87 Difference]: Start difference. First operand 466 states and 499 transitions. Second operand has 98 states, 97 states have (on average 4.371134020618556) internal successors, (424), 98 states have internal predecessors, (424), 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 18:54:06,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:06,729 INFO L93 Difference]: Finished difference Result 578 states and 618 transitions. [2024-11-10 18:54:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-11-10 18:54:06,730 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 97 states have (on average 4.371134020618556) internal successors, (424), 98 states have internal predecessors, (424), 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 142 [2024-11-10 18:54:06,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:06,731 INFO L225 Difference]: With dead ends: 578 [2024-11-10 18:54:06,731 INFO L226 Difference]: Without dead ends: 577 [2024-11-10 18:54:06,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6638 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=2658, Invalid=13344, Unknown=0, NotChecked=0, Total=16002 [2024-11-10 18:54:06,733 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 564 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:06,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 666 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:54:06,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-10 18:54:06,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 559. [2024-11-10 18:54:06,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 554 states have (on average 1.1010830324909748) internal successors, (610), 558 states have internal predecessors, (610), 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 18:54:06,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 610 transitions. [2024-11-10 18:54:06,745 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 610 transitions. Word has length 142 [2024-11-10 18:54:06,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:06,745 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 610 transitions. [2024-11-10 18:54:06,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 97 states have (on average 4.371134020618556) internal successors, (424), 98 states have internal predecessors, (424), 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 18:54:06,746 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 610 transitions. [2024-11-10 18:54:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-10 18:54:06,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:06,747 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 1, 1, 1, 1] [2024-11-10 18:54:06,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 18:54:06,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-10 18:54:06,950 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:54:06,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:06,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1726242450, now seen corresponding path program 3 times [2024-11-10 18:54:06,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:06,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323538053] [2024-11-10 18:54:06,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:06,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:07,507 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:07,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:07,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323538053] [2024-11-10 18:54:07,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323538053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:07,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409301] [2024-11-10 18:54:07,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:54:07,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:07,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:07,509 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 18:54:07,510 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 18:54:07,575 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-10 18:54:07,575 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:07,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-10 18:54:07,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:08,437 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:09,412 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:09,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409301] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:09,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:09,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 99 [2024-11-10 18:54:09,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922113537] [2024-11-10 18:54:09,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:09,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-11-10 18:54:09,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:09,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-11-10 18:54:09,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1614, Invalid=8286, Unknown=0, NotChecked=0, Total=9900 [2024-11-10 18:54:09,415 INFO L87 Difference]: Start difference. First operand 559 states and 610 transitions. Second operand has 100 states, 99 states have (on average 4.373737373737374) internal successors, (433), 100 states have internal predecessors, (433), 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 18:54:11,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:11,555 INFO L93 Difference]: Finished difference Result 590 states and 615 transitions. [2024-11-10 18:54:11,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-10 18:54:11,555 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 99 states have (on average 4.373737373737374) internal successors, (433), 100 states have internal predecessors, (433), 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 146 [2024-11-10 18:54:11,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:11,557 INFO L225 Difference]: With dead ends: 590 [2024-11-10 18:54:11,557 INFO L226 Difference]: Without dead ends: 589 [2024-11-10 18:54:11,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7787 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=3263, Invalid=16477, Unknown=0, NotChecked=0, Total=19740 [2024-11-10 18:54:11,559 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 792 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:11,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 805 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:54:11,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-10 18:54:11,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 563. [2024-11-10 18:54:11,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 558 states have (on average 1.0878136200716846) internal successors, (607), 562 states have internal predecessors, (607), 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 18:54:11,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 607 transitions. [2024-11-10 18:54:11,570 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 607 transitions. Word has length 146 [2024-11-10 18:54:11,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:11,571 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 607 transitions. [2024-11-10 18:54:11,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 99 states have (on average 4.373737373737374) internal successors, (433), 100 states have internal predecessors, (433), 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 18:54:11,571 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 607 transitions. [2024-11-10 18:54:11,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 18:54:11,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:11,572 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-11-10 18:54:11,584 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 18:54:11,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-10 18:54:11,773 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:54:11,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:11,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1838349078, now seen corresponding path program 3 times [2024-11-10 18:54:11,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:11,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242283137] [2024-11-10 18:54:11,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:11,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:12,216 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:12,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:12,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242283137] [2024-11-10 18:54:12,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242283137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:12,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70129508] [2024-11-10 18:54:12,217 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:54:12,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:12,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:12,219 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 18:54:12,221 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 18:54:12,267 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-10 18:54:12,267 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:12,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:54:12,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 361 proven. 75 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-10 18:54:12,481 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 361 proven. 75 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-10 18:54:12,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70129508] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:12,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:12,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 11, 11] total 43 [2024-11-10 18:54:12,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958840359] [2024-11-10 18:54:12,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:12,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-10 18:54:12,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:12,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-10 18:54:12,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=336, Invalid=1556, Unknown=0, NotChecked=0, Total=1892 [2024-11-10 18:54:12,747 INFO L87 Difference]: Start difference. First operand 563 states and 607 transitions. Second operand has 44 states, 43 states have (on average 6.651162790697675) internal successors, (286), 44 states have internal predecessors, (286), 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 18:54:13,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:13,857 INFO L93 Difference]: Finished difference Result 564 states and 607 transitions. [2024-11-10 18:54:13,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-10 18:54:13,857 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 6.651162790697675) internal successors, (286), 44 states have internal predecessors, (286), 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 157 [2024-11-10 18:54:13,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:13,859 INFO L225 Difference]: With dead ends: 564 [2024-11-10 18:54:13,859 INFO L226 Difference]: Without dead ends: 563 [2024-11-10 18:54:13,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1751 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1648, Invalid=6724, Unknown=0, NotChecked=0, Total=8372 [2024-11-10 18:54:13,860 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 403 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:13,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 276 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:54:13,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-10 18:54:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 562. [2024-11-10 18:54:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 558 states have (on average 1.060931899641577) internal successors, (592), 561 states have internal predecessors, (592), 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 18:54:13,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 592 transitions. [2024-11-10 18:54:13,873 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 592 transitions. Word has length 157 [2024-11-10 18:54:13,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:13,873 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 592 transitions. [2024-11-10 18:54:13,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 6.651162790697675) internal successors, (286), 44 states have internal predecessors, (286), 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 18:54:13,873 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 592 transitions. [2024-11-10 18:54:13,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 18:54:13,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:13,874 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-11-10 18:54:13,887 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 18:54:14,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-10 18:54:14,075 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:54:14,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:14,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1129390475, now seen corresponding path program 3 times [2024-11-10 18:54:14,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:14,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438215666] [2024-11-10 18:54:14,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:14,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:14,364 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 0 proven. 745 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:14,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:14,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438215666] [2024-11-10 18:54:14,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438215666] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:14,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943856822] [2024-11-10 18:54:14,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:54:14,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:14,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:14,367 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 18:54:14,369 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 18:54:14,414 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-10 18:54:14,414 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:14,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 18:54:14,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:14,603 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 373 proven. 75 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-10 18:54:14,603 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:14,913 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 373 proven. 75 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-10 18:54:14,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943856822] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:14,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:14,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 11, 11] total 43 [2024-11-10 18:54:14,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979045897] [2024-11-10 18:54:14,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:14,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-10 18:54:14,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:14,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-10 18:54:14,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=336, Invalid=1556, Unknown=0, NotChecked=0, Total=1892 [2024-11-10 18:54:14,915 INFO L87 Difference]: Start difference. First operand 562 states and 592 transitions. Second operand has 44 states, 43 states have (on average 6.72093023255814) internal successors, (289), 44 states have internal predecessors, (289), 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 18:54:16,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:16,056 INFO L93 Difference]: Finished difference Result 563 states and 592 transitions. [2024-11-10 18:54:16,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-10 18:54:16,057 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 6.72093023255814) internal successors, (289), 44 states have internal predecessors, (289), 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 160 [2024-11-10 18:54:16,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:16,058 INFO L225 Difference]: With dead ends: 563 [2024-11-10 18:54:16,058 INFO L226 Difference]: Without dead ends: 562 [2024-11-10 18:54:16,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1751 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1648, Invalid=6724, Unknown=0, NotChecked=0, Total=8372 [2024-11-10 18:54:16,060 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 333 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:16,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 213 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:54:16,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-10 18:54:16,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 561. [2024-11-10 18:54:16,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 558 states have (on average 1.0340501792114696) internal successors, (577), 560 states have internal predecessors, (577), 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 18:54:16,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 577 transitions. [2024-11-10 18:54:16,072 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 577 transitions. Word has length 160 [2024-11-10 18:54:16,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:16,073 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 577 transitions. [2024-11-10 18:54:16,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 6.72093023255814) internal successors, (289), 44 states have internal predecessors, (289), 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 18:54:16,073 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 577 transitions. [2024-11-10 18:54:16,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 18:54:16,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:16,074 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-11-10 18:54:16,087 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 18:54:16,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-10 18:54:16,279 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:54:16,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:16,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1102152101, now seen corresponding path program 3 times [2024-11-10 18:54:16,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:16,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204253446] [2024-11-10 18:54:16,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:16,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:16,914 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:16,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:16,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204253446] [2024-11-10 18:54:16,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204253446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:16,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462139795] [2024-11-10 18:54:16,915 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:54:16,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:16,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:16,916 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:54:16,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 18:54:16,986 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-10 18:54:16,986 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:16,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-10 18:54:16,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:17,926 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:17,926 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:18,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462139795] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:18,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:18,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 103 [2024-11-10 18:54:18,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327323474] [2024-11-10 18:54:18,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:18,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2024-11-10 18:54:18,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:18,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2024-11-10 18:54:18,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1547, Invalid=9165, Unknown=0, NotChecked=0, Total=10712 [2024-11-10 18:54:18,788 INFO L87 Difference]: Start difference. First operand 561 states and 577 transitions. Second operand has 104 states, 103 states have (on average 4.728155339805825) internal successors, (487), 104 states have internal predecessors, (487), 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 18:54:20,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:20,318 INFO L93 Difference]: Finished difference Result 750 states and 779 transitions. [2024-11-10 18:54:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-10 18:54:20,318 INFO L78 Accepts]: Start accepts. Automaton has has 104 states, 103 states have (on average 4.728155339805825) internal successors, (487), 104 states have internal predecessors, (487), 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 163 [2024-11-10 18:54:20,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:20,320 INFO L225 Difference]: With dead ends: 750 [2024-11-10 18:54:20,320 INFO L226 Difference]: Without dead ends: 749 [2024-11-10 18:54:20,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7249 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2765, Invalid=15595, Unknown=0, NotChecked=0, Total=18360 [2024-11-10 18:54:20,322 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 788 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:20,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 887 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:54:20,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2024-11-10 18:54:20,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 737. [2024-11-10 18:54:20,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 734 states have (on average 1.0286103542234333) internal successors, (755), 736 states have internal predecessors, (755), 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 18:54:20,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 755 transitions. [2024-11-10 18:54:20,374 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 755 transitions. Word has length 163 [2024-11-10 18:54:20,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:20,375 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 755 transitions. [2024-11-10 18:54:20,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 103 states have (on average 4.728155339805825) internal successors, (487), 104 states have internal predecessors, (487), 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 18:54:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 755 transitions. [2024-11-10 18:54:20,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-10 18:54:20,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:20,378 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1] [2024-11-10 18:54:20,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-10 18:54:20,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:20,582 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:54:20,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:20,582 INFO L85 PathProgramCache]: Analyzing trace with hash -979892638, now seen corresponding path program 3 times [2024-11-10 18:54:20,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:20,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198552317] [2024-11-10 18:54:20,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:20,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2085 backedges. 0 proven. 2085 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:22,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:22,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198552317] [2024-11-10 18:54:22,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198552317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:22,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294545881] [2024-11-10 18:54:22,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:54:22,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:22,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:22,383 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:54:22,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 18:54:22,605 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-11-10 18:54:22,606 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:22,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-10 18:54:22,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2085 backedges. 0 proven. 2085 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:25,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:28,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2085 backedges. 0 proven. 2085 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:28,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294545881] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:28,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:28,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 193 [2024-11-10 18:54:28,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818927419] [2024-11-10 18:54:28,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:28,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2024-11-10 18:54:28,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:28,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2024-11-10 18:54:28,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5527, Invalid=31915, Unknown=0, NotChecked=0, Total=37442 [2024-11-10 18:54:28,275 INFO L87 Difference]: Start difference. First operand 737 states and 755 transitions. Second operand has 194 states, 193 states have (on average 4.435233160621761) internal successors, (856), 194 states have internal predecessors, (856), 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 18:54:34,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:34,237 INFO L93 Difference]: Finished difference Result 1067 states and 1122 transitions. [2024-11-10 18:54:34,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2024-11-10 18:54:34,241 INFO L78 Accepts]: Start accepts. Automaton has has 194 states, 193 states have (on average 4.435233160621761) internal successors, (856), 194 states have internal predecessors, (856), 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 286 [2024-11-10 18:54:34,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:34,243 INFO L225 Difference]: With dead ends: 1067 [2024-11-10 18:54:34,243 INFO L226 Difference]: Without dead ends: 1066 [2024-11-10 18:54:34,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27755 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=10122, Invalid=54648, Unknown=0, NotChecked=0, Total=64770 [2024-11-10 18:54:34,247 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 2254 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2254 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 1564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:34,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2254 Valid, 1279 Invalid, 1564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:54:34,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2024-11-10 18:54:34,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1055. [2024-11-10 18:54:34,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 1052 states have (on average 1.038022813688213) internal successors, (1092), 1054 states have internal predecessors, (1092), 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 18:54:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1092 transitions. [2024-11-10 18:54:34,276 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1092 transitions. Word has length 286 [2024-11-10 18:54:34,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:34,276 INFO L471 AbstractCegarLoop]: Abstraction has 1055 states and 1092 transitions. [2024-11-10 18:54:34,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 193 states have (on average 4.435233160621761) internal successors, (856), 194 states have internal predecessors, (856), 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 18:54:34,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1092 transitions. [2024-11-10 18:54:34,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2024-11-10 18:54:34,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:34,279 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 1, 1, 1, 1] [2024-11-10 18:54:34,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-10 18:54:34,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:34,483 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:54:34,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:34,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1820104226, now seen corresponding path program 4 times [2024-11-10 18:54:34,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:34,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021714434] [2024-11-10 18:54:34,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:34,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:36,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:36,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021714434] [2024-11-10 18:54:36,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021714434] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:36,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727082100] [2024-11-10 18:54:36,184 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:54:36,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:36,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:36,185 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:54:36,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 18:54:36,266 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:54:36,266 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:36,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-10 18:54:36,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:38,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:54:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:42,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727082100] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:54:42,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:54:42,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66, 66] total 195 [2024-11-10 18:54:42,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960681973] [2024-11-10 18:54:42,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:54:42,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2024-11-10 18:54:42,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:54:42,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2024-11-10 18:54:42,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5662, Invalid=32558, Unknown=0, NotChecked=0, Total=38220 [2024-11-10 18:54:42,420 INFO L87 Difference]: Start difference. First operand 1055 states and 1092 transitions. Second operand has 196 states, 195 states have (on average 4.435897435897436) internal successors, (865), 196 states have internal predecessors, (865), 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 18:54:51,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:54:51,648 INFO L93 Difference]: Finished difference Result 1096 states and 1115 transitions. [2024-11-10 18:54:51,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-11-10 18:54:51,649 INFO L78 Accepts]: Start accepts. Automaton has has 196 states, 195 states have (on average 4.435897435897436) internal successors, (865), 196 states have internal predecessors, (865), 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 290 [2024-11-10 18:54:51,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:54:51,651 INFO L225 Difference]: With dead ends: 1096 [2024-11-10 18:54:51,651 INFO L226 Difference]: Without dead ends: 1095 [2024-11-10 18:54:51,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 283 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32708 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=12523, Invalid=68417, Unknown=0, NotChecked=0, Total=80940 [2024-11-10 18:54:51,655 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 2918 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2918 SdHoareTripleChecker+Valid, 1370 SdHoareTripleChecker+Invalid, 1697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 18:54:51,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2918 Valid, 1370 Invalid, 1697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 18:54:51,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2024-11-10 18:54:51,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1059. [2024-11-10 18:54:51,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 1056 states have (on average 1.0236742424242424) internal successors, (1081), 1058 states have internal predecessors, (1081), 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 18:54:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1081 transitions. [2024-11-10 18:54:51,680 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1081 transitions. Word has length 290 [2024-11-10 18:54:51,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:54:51,680 INFO L471 AbstractCegarLoop]: Abstraction has 1059 states and 1081 transitions. [2024-11-10 18:54:51,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 195 states have (on average 4.435897435897436) internal successors, (865), 196 states have internal predecessors, (865), 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 18:54:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1081 transitions. [2024-11-10 18:54:51,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2024-11-10 18:54:51,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:54:51,682 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2024-11-10 18:54:51,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-10 18:54:51,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:51,887 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:54:51,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:54:51,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1722871845, now seen corresponding path program 4 times [2024-11-10 18:54:51,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:54:51,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122315256] [2024-11-10 18:54:51,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:54:51,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:54:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:54:54,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3685 backedges. 0 proven. 3685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:54,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:54:54,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122315256] [2024-11-10 18:54:54,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122315256] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:54:54,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056313816] [2024-11-10 18:54:54,260 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:54:54,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:54:54,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:54:54,261 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:54:54,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 18:54:54,373 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:54:54,374 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:54:54,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-10 18:54:54,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:54:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3685 backedges. 0 proven. 3685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:54:58,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:55:01,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3685 backedges. 0 proven. 3685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:55:01,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056313816] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:55:01,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:55:01,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 211 [2024-11-10 18:55:01,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41112049] [2024-11-10 18:55:01,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:55:01,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 212 states [2024-11-10 18:55:01,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:55:01,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 212 interpolants. [2024-11-10 18:55:01,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5849, Invalid=38883, Unknown=0, NotChecked=0, Total=44732 [2024-11-10 18:55:01,796 INFO L87 Difference]: Start difference. First operand 1059 states and 1081 transitions. Second operand has 212 states, 211 states have (on average 4.867298578199052) internal successors, (1027), 212 states have internal predecessors, (1027), 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 18:55:11,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:55:11,109 INFO L93 Difference]: Finished difference Result 1558 states and 1621 transitions. [2024-11-10 18:55:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-11-10 18:55:11,110 INFO L78 Accepts]: Start accepts. Automaton has has 212 states, 211 states have (on average 4.867298578199052) internal successors, (1027), 212 states have internal predecessors, (1027), 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 343 [2024-11-10 18:55:11,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:55:11,117 INFO L225 Difference]: With dead ends: 1558 [2024-11-10 18:55:11,117 INFO L226 Difference]: Without dead ends: 1557 [2024-11-10 18:55:11,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 823 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31717 ImplicationChecksByTransitivity, 15.8s TimeCoverageRelationStatistics Valid=11015, Invalid=67105, Unknown=0, NotChecked=0, Total=78120 [2024-11-10 18:55:11,119 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 3352 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3352 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:55:11,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3352 Valid, 1974 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:55:11,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2024-11-10 18:55:11,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1529. [2024-11-10 18:55:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1526 states have (on average 1.030799475753604) internal successors, (1573), 1528 states have internal predecessors, (1573), 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 18:55:11,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 1573 transitions. [2024-11-10 18:55:11,152 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 1573 transitions. Word has length 343 [2024-11-10 18:55:11,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:55:11,152 INFO L471 AbstractCegarLoop]: Abstraction has 1529 states and 1573 transitions. [2024-11-10 18:55:11,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 212 states, 211 states have (on average 4.867298578199052) internal successors, (1027), 212 states have internal predecessors, (1027), 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 18:55:11,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1573 transitions. [2024-11-10 18:55:11,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2024-11-10 18:55:11,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:55:11,155 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 32, 32, 32, 1, 1, 1, 1] [2024-11-10 18:55:11,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-10 18:55:11,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:55:11,360 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:55:11,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:55:11,360 INFO L85 PathProgramCache]: Analyzing trace with hash -524978224, now seen corresponding path program 3 times [2024-11-10 18:55:11,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:55:11,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922191831] [2024-11-10 18:55:11,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:55:11,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:55:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:55:16,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7856 backedges. 0 proven. 7856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:55:16,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:55:16,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922191831] [2024-11-10 18:55:16,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922191831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:55:16,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971779190] [2024-11-10 18:55:16,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:55:16,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:55:16,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:55:16,783 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:55:16,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 18:55:17,153 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 33 check-sat command(s) [2024-11-10 18:55:17,153 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:55:17,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-11-10 18:55:17,178 INFO L278 TraceCheckSpWp]: Computing forward predicates...