./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 133ba40f5b51c272364c51a4e246bcd97a40cd88b0bcd4bd92df8f8d6bb23a52 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:24:34,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:24:34,946 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:24:34,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:24:34,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:24:34,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:24:34,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:24:34,987 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:24:34,988 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:24:34,989 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:24:34,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:24:34,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:24:34,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:24:34,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:24:34,992 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:24:34,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:24:34,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:24:34,992 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:24:34,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:24:34,993 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:24:34,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:24:34,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:24:34,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:24:34,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:24:34,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:24:34,996 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:24:34,996 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:24:34,997 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:24:34,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:24:34,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:24:34,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:24:34,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:24:34,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:24:34,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:24:34,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:24:34,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:24:34,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:24:34,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:24:34,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:24:34,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:24:34,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:24:34,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:24:35,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:24:35,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:24:35,000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 133ba40f5b51c272364c51a4e246bcd97a40cd88b0bcd4bd92df8f8d6bb23a52 [2024-10-14 20:24:35,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:24:35,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:24:35,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:24:35,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:24:35,248 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:24:35,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2024-10-14 20:24:36,627 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:24:36,825 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:24:36,825 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2024-10-14 20:24:36,832 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d394ca2d7/4c32de2998794a0ca14c011c7ac55c6d/FLAG78ed51bb2 [2024-10-14 20:24:37,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d394ca2d7/4c32de2998794a0ca14c011c7ac55c6d [2024-10-14 20:24:37,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:24:37,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:24:37,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:24:37,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:24:37,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:24:37,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f750ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37, skipping insertion in model container [2024-10-14 20:24:37,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:24:37,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:24:37,417 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:24:37,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:24:37,467 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:24:37,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37 WrapperNode [2024-10-14 20:24:37,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:24:37,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:24:37,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:24:37,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:24:37,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,505 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 288 [2024-10-14 20:24:37,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:24:37,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:24:37,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:24:37,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:24:37,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,526 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,544 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]. [2024-10-14 20:24:37,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:24:37,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:24:37,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:24:37,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:24:37,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37" (1/1) ... [2024-10-14 20:24:37,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:24:37,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:24:37,608 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) [2024-10-14 20:24:37,610 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 [2024-10-14 20:24:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-14 20:24:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-14 20:24:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:24:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:24:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:24:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:24:37,734 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:24:37,736 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:24:37,996 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-10-14 20:24:37,996 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:24:38,033 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:24:38,034 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 20:24:38,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:24:38 BoogieIcfgContainer [2024-10-14 20:24:38,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:24:38,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:24:38,036 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:24:38,040 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:24:38,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:24:37" (1/3) ... [2024-10-14 20:24:38,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e44b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:24:38, skipping insertion in model container [2024-10-14 20:24:38,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:24:37" (2/3) ... [2024-10-14 20:24:38,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38e44b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:24:38, skipping insertion in model container [2024-10-14 20:24:38,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:24:38" (3/3) ... [2024-10-14 20:24:38,042 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2024-10-14 20:24:38,055 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:24:38,056 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-14 20:24:38,176 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:24:38,182 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;@123443c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:24:38,182 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-14 20:24:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 65 states have (on average 1.6153846153846154) internal successors, (105), 75 states have internal predecessors, (105), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-14 20:24:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-14 20:24:38,189 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:24:38,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-14 20:24:38,190 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:24:38,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:24:38,194 INFO L85 PathProgramCache]: Analyzing trace with hash 280837, now seen corresponding path program 1 times [2024-10-14 20:24:38,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:24:38,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446299344] [2024-10-14 20:24:38,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:38,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:24:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:38,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:38,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:24:38,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446299344] [2024-10-14 20:24:38,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446299344] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:24:38,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:24:38,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:24:38,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935353462] [2024-10-14 20:24:38,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:24:38,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:24:38,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:24:38,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:24:38,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:24:38,355 INFO L87 Difference]: Start difference. First operand has 95 states, 65 states have (on average 1.6153846153846154) internal successors, (105), 75 states have internal predecessors, (105), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-10-14 20:24:38,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:24:38,411 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2024-10-14 20:24:38,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:24:38,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-10-14 20:24:38,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:24:38,418 INFO L225 Difference]: With dead ends: 97 [2024-10-14 20:24:38,419 INFO L226 Difference]: Without dead ends: 45 [2024-10-14 20:24:38,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:24:38,424 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 1 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:24:38,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 176 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:24:38,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-10-14 20:24:38,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-10-14 20:24:38,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 44 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) [2024-10-14 20:24:38,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2024-10-14 20:24:38,451 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 3 [2024-10-14 20:24:38,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:24:38,451 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2024-10-14 20:24:38,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-10-14 20:24:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2024-10-14 20:24:38,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-14 20:24:38,452 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:24:38,452 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-14 20:24:38,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:24:38,453 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:24:38,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:24:38,454 INFO L85 PathProgramCache]: Analyzing trace with hash 8705988, now seen corresponding path program 1 times [2024-10-14 20:24:38,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:24:38,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365898603] [2024-10-14 20:24:38,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:38,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:24:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:38,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:24:38,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365898603] [2024-10-14 20:24:38,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365898603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:24:38,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:24:38,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 20:24:38,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778316450] [2024-10-14 20:24:38,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:24:38,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:24:38,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:24:38,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:24:38,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:24:38,489 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:24:38,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:24:38,510 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2024-10-14 20:24:38,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:24:38,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-14 20:24:38,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:24:38,511 INFO L225 Difference]: With dead ends: 45 [2024-10-14 20:24:38,511 INFO L226 Difference]: Without dead ends: 44 [2024-10-14 20:24:38,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:24:38,514 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:24:38,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 34 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:24:38,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-10-14 20:24:38,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-10-14 20:24:38,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 43 states have internal predecessors, (48), 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) [2024-10-14 20:24:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2024-10-14 20:24:38,521 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 4 [2024-10-14 20:24:38,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:24:38,522 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2024-10-14 20:24:38,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:24:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2024-10-14 20:24:38,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 20:24:38,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:24:38,522 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:24:38,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 20:24:38,523 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:24:38,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:24:38,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1160259088, now seen corresponding path program 1 times [2024-10-14 20:24:38,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:24:38,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852814385] [2024-10-14 20:24:38,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:38,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:24:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:38,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:24:38,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852814385] [2024-10-14 20:24:38,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852814385] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:24:38,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:24:38,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:24:38,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207254149] [2024-10-14 20:24:38,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:24:38,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:24:38,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:24:38,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:24:38,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:24:38,592 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:24:38,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:24:38,655 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2024-10-14 20:24:38,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:24:38,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-14 20:24:38,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:24:38,656 INFO L225 Difference]: With dead ends: 54 [2024-10-14 20:24:38,656 INFO L226 Difference]: Without dead ends: 50 [2024-10-14 20:24:38,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:24:38,658 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 6 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:24:38,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 42 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:24:38,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-14 20:24:38,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-14 20:24:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 49 states have internal predecessors, (54), 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) [2024-10-14 20:24:38,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2024-10-14 20:24:38,664 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 10 [2024-10-14 20:24:38,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:24:38,664 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2024-10-14 20:24:38,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:24:38,665 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2024-10-14 20:24:38,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-14 20:24:38,666 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:24:38,666 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:24:38,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 20:24:38,666 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)] === [2024-10-14 20:24:38,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:24:38,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1825183615, now seen corresponding path program 1 times [2024-10-14 20:24:38,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:24:38,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838618687] [2024-10-14 20:24:38,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:38,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:24:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:38,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:24:38,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838618687] [2024-10-14 20:24:38,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838618687] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:24:38,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:24:38,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:24:38,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059732266] [2024-10-14 20:24:38,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:24:38,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:24:38,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:24:38,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:24:38,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:24:38,760 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-14 20:24:38,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:24:38,827 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2024-10-14 20:24:38,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:24:38,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2024-10-14 20:24:38,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:24:38,829 INFO L225 Difference]: With dead ends: 50 [2024-10-14 20:24:38,829 INFO L226 Difference]: Without dead ends: 46 [2024-10-14 20:24:38,829 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 [2024-10-14 20:24:38,830 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 25 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:24:38,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 21 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:24:38,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-14 20:24:38,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-10-14 20:24:38,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 45 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) [2024-10-14 20:24:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2024-10-14 20:24:38,834 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 17 [2024-10-14 20:24:38,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:24:38,834 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2024-10-14 20:24:38,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-10-14 20:24:38,835 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2024-10-14 20:24:38,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-14 20:24:38,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:24:38,836 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:24:38,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 20:24:38,836 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:24:38,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:24:38,837 INFO L85 PathProgramCache]: Analyzing trace with hash 746117330, now seen corresponding path program 1 times [2024-10-14 20:24:38,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:24:38,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781725407] [2024-10-14 20:24:38,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:38,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:24:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:38,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:24:38,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781725407] [2024-10-14 20:24:38,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781725407] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:24:38,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:24:38,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:24:38,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051363778] [2024-10-14 20:24:38,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:24:38,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:24:38,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:24:38,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:24:38,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:24:38,900 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-14 20:24:38,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:24:38,981 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2024-10-14 20:24:38,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:24:38,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2024-10-14 20:24:38,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:24:38,984 INFO L225 Difference]: With dead ends: 75 [2024-10-14 20:24:38,984 INFO L226 Difference]: Without dead ends: 71 [2024-10-14 20:24:38,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:24:38,985 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 28 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:24:38,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 28 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:24:38,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-14 20:24:38,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-14 20:24:38,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 67 states have (on average 1.164179104477612) internal successors, (78), 70 states have internal predecessors, (78), 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) [2024-10-14 20:24:38,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 78 transitions. [2024-10-14 20:24:38,990 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 78 transitions. Word has length 18 [2024-10-14 20:24:38,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:24:38,991 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 78 transitions. [2024-10-14 20:24:38,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-14 20:24:38,991 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2024-10-14 20:24:38,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-14 20:24:38,992 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:24:38,992 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, 1, 1, 1, 1] [2024-10-14 20:24:38,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 20:24:38,993 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:24:38,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:24:38,993 INFO L85 PathProgramCache]: Analyzing trace with hash -2110404227, now seen corresponding path program 1 times [2024-10-14 20:24:38,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:24:38,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231481045] [2024-10-14 20:24:38,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:38,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:24:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:39,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:24:39,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231481045] [2024-10-14 20:24:39,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231481045] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:24:39,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:24:39,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 20:24:39,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245423448] [2024-10-14 20:24:39,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:24:39,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:24:39,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:24:39,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:24:39,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:24:39,096 INFO L87 Difference]: Start difference. First operand 71 states and 78 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 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) [2024-10-14 20:24:39,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:24:39,201 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2024-10-14 20:24:39,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 20:24:39,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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 [2024-10-14 20:24:39,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:24:39,202 INFO L225 Difference]: With dead ends: 101 [2024-10-14 20:24:39,202 INFO L226 Difference]: Without dead ends: 97 [2024-10-14 20:24:39,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 20:24:39,203 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 62 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:24:39,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 33 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:24:39,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-14 20:24:39,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-10-14 20:24:39,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 93 states have (on average 1.1505376344086022) internal successors, (107), 96 states have internal predecessors, (107), 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) [2024-10-14 20:24:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2024-10-14 20:24:39,208 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 24 [2024-10-14 20:24:39,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:24:39,208 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2024-10-14 20:24:39,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-10-14 20:24:39,208 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2024-10-14 20:24:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-14 20:24:39,209 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:24:39,209 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:24:39,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 20:24:39,209 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:24:39,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:24:39,210 INFO L85 PathProgramCache]: Analyzing trace with hash 332148840, now seen corresponding path program 1 times [2024-10-14 20:24:39,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:24:39,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674045741] [2024-10-14 20:24:39,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:39,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:24:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:39,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:24:39,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674045741] [2024-10-14 20:24:39,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674045741] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:24:39,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901011281] [2024-10-14 20:24:39,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:39,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:24:39,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:24:39,308 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) [2024-10-14 20:24:39,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:24:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:39,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:24:39,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:24:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:39,476 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:24:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:39,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901011281] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:24:39,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:24:39,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-14 20:24:39,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087924100] [2024-10-14 20:24:39,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:24:39,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 20:24:39,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:24:39,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 20:24:39,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:24:39,545 INFO L87 Difference]: Start difference. First operand 97 states and 107 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 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) [2024-10-14 20:24:39,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:24:39,812 INFO L93 Difference]: Finished difference Result 231 states and 272 transitions. [2024-10-14 20:24:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 20:24:39,813 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 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 [2024-10-14 20:24:39,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:24:39,814 INFO L225 Difference]: With dead ends: 231 [2024-10-14 20:24:39,814 INFO L226 Difference]: Without dead ends: 227 [2024-10-14 20:24:39,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-10-14 20:24:39,815 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 270 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 20:24:39,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 69 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 20:24:39,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-10-14 20:24:39,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2024-10-14 20:24:39,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 223 states have (on average 1.1300448430493273) internal successors, (252), 226 states have internal predecessors, (252), 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) [2024-10-14 20:24:39,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 252 transitions. [2024-10-14 20:24:39,832 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 252 transitions. Word has length 31 [2024-10-14 20:24:39,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:24:39,832 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 252 transitions. [2024-10-14 20:24:39,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 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) [2024-10-14 20:24:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 252 transitions. [2024-10-14 20:24:39,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-14 20:24:39,834 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:24:39,834 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:24:39,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:24:40,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:24:40,039 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:24:40,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:24:40,040 INFO L85 PathProgramCache]: Analyzing trace with hash 2003631315, now seen corresponding path program 1 times [2024-10-14 20:24:40,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:24:40,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604736933] [2024-10-14 20:24:40,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:40,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:24:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:40,302 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:40,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:24:40,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604736933] [2024-10-14 20:24:40,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604736933] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:24:40,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092004813] [2024-10-14 20:24:40,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:40,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:24:40,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:24:40,304 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) [2024-10-14 20:24:40,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:24:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:40,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-14 20:24:40,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:24:40,468 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:40,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:24:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:40,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092004813] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:24:40,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:24:40,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-10-14 20:24:40,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709302259] [2024-10-14 20:24:40,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:24:40,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-14 20:24:40,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:24:40,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-14 20:24:40,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-10-14 20:24:40,664 INFO L87 Difference]: Start difference. First operand 227 states and 252 transitions. Second operand has 21 states, 20 states have (on average 6.75) internal successors, (135), 21 states have internal predecessors, (135), 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) [2024-10-14 20:24:41,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:24:41,119 INFO L93 Difference]: Finished difference Result 491 states and 582 transitions. [2024-10-14 20:24:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 20:24:41,120 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.75) internal successors, (135), 21 states have internal predecessors, (135), 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 63 [2024-10-14 20:24:41,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:24:41,122 INFO L225 Difference]: With dead ends: 491 [2024-10-14 20:24:41,122 INFO L226 Difference]: Without dead ends: 487 [2024-10-14 20:24:41,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-10-14 20:24:41,123 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 667 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 20:24:41,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 129 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 20:24:41,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-10-14 20:24:41,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2024-10-14 20:24:41,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 483 states have (on average 1.1221532091097308) internal successors, (542), 486 states have internal predecessors, (542), 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) [2024-10-14 20:24:41,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 542 transitions. [2024-10-14 20:24:41,136 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 542 transitions. Word has length 63 [2024-10-14 20:24:41,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:24:41,137 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 542 transitions. [2024-10-14 20:24:41,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.75) internal successors, (135), 21 states have internal predecessors, (135), 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) [2024-10-14 20:24:41,137 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 542 transitions. [2024-10-14 20:24:41,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-14 20:24:41,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:24:41,141 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:24:41,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 20:24:41,341 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,SelfDestructingSolverStorable7 [2024-10-14 20:24:41,342 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:24:41,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:24:41,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1385527421, now seen corresponding path program 2 times [2024-10-14 20:24:41,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:24:41,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018514403] [2024-10-14 20:24:41,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:41,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:24:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:41,801 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:41,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:24:41,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018514403] [2024-10-14 20:24:41,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018514403] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:24:41,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618906000] [2024-10-14 20:24:41,803 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:24:41,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:24:41,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:24:41,805 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) [2024-10-14 20:24:41,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:24:41,870 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 20:24:41,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:24:41,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:24:41,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:24:42,106 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-10-14 20:24:42,106 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:24:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-10-14 20:24:42,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618906000] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:24:42,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:24:42,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 5, 5] total 29 [2024-10-14 20:24:42,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229629852] [2024-10-14 20:24:42,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:24:42,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-14 20:24:42,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:24:42,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-14 20:24:42,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=552, Unknown=0, NotChecked=0, Total=870 [2024-10-14 20:24:42,328 INFO L87 Difference]: Start difference. First operand 487 states and 542 transitions. Second operand has 30 states, 29 states have (on average 6.482758620689655) internal successors, (188), 30 states have internal predecessors, (188), 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) [2024-10-14 20:24:44,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:24:44,038 INFO L93 Difference]: Finished difference Result 564 states and 635 transitions. [2024-10-14 20:24:44,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-14 20:24:44,038 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 6.482758620689655) internal successors, (188), 30 states have internal predecessors, (188), 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 128 [2024-10-14 20:24:44,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:24:44,039 INFO L225 Difference]: With dead ends: 564 [2024-10-14 20:24:44,039 INFO L226 Difference]: Without dead ends: 178 [2024-10-14 20:24:44,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2678 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=2804, Invalid=5938, Unknown=0, NotChecked=0, Total=8742 [2024-10-14 20:24:44,043 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 1840 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1840 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:24:44,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1840 Valid, 142 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:24:44,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-10-14 20:24:44,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-10-14 20:24:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.022857142857143) internal successors, (179), 177 states have internal predecessors, (179), 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) [2024-10-14 20:24:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 179 transitions. [2024-10-14 20:24:44,048 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 179 transitions. Word has length 128 [2024-10-14 20:24:44,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:24:44,048 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 179 transitions. [2024-10-14 20:24:44,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 6.482758620689655) internal successors, (188), 30 states have internal predecessors, (188), 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) [2024-10-14 20:24:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 179 transitions. [2024-10-14 20:24:44,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-14 20:24:44,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:24:44,052 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:24:44,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 20:24:44,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:24:44,255 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:24:44,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:24:44,256 INFO L85 PathProgramCache]: Analyzing trace with hash 38436482, now seen corresponding path program 1 times [2024-10-14 20:24:44,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:24:44,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23691836] [2024-10-14 20:24:44,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:44,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:24:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 1292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:44,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:24:44,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23691836] [2024-10-14 20:24:44,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23691836] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:24:44,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791004177] [2024-10-14 20:24:44,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:44,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:24:44,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:24:44,846 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) [2024-10-14 20:24:44,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:24:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:44,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-14 20:24:44,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:24:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 1292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:45,114 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:24:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 1292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:45,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791004177] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:24:45,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:24:45,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2024-10-14 20:24:45,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318110623] [2024-10-14 20:24:45,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:24:45,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-10-14 20:24:45,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:24:45,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-10-14 20:24:45,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2024-10-14 20:24:45,806 INFO L87 Difference]: Start difference. First operand 178 states and 179 transitions. Second operand has 47 states, 46 states have (on average 7.065217391304348) internal successors, (325), 47 states have internal predecessors, (325), 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) [2024-10-14 20:24:46,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:24:46,358 INFO L93 Difference]: Finished difference Result 618 states and 685 transitions. [2024-10-14 20:24:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-14 20:24:46,358 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 7.065217391304348) internal successors, (325), 47 states have internal predecessors, (325), 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 158 [2024-10-14 20:24:46,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:24:46,360 INFO L225 Difference]: With dead ends: 618 [2024-10-14 20:24:46,360 INFO L226 Difference]: Without dead ends: 339 [2024-10-14 20:24:46,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2024-10-14 20:24:46,361 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 869 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 20:24:46,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 108 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 20:24:46,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-10-14 20:24:46,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2024-10-14 20:24:46,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 336 states have (on average 1.0119047619047619) internal successors, (340), 338 states have internal predecessors, (340), 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) [2024-10-14 20:24:46,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 340 transitions. [2024-10-14 20:24:46,369 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 340 transitions. Word has length 158 [2024-10-14 20:24:46,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:24:46,370 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 340 transitions. [2024-10-14 20:24:46,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 7.065217391304348) internal successors, (325), 47 states have internal predecessors, (325), 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) [2024-10-14 20:24:46,370 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 340 transitions. [2024-10-14 20:24:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-10-14 20:24:46,372 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:24:46,373 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 43, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:24:46,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 20:24:46,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:24:46,577 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:24:46,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:24:46,577 INFO L85 PathProgramCache]: Analyzing trace with hash -569636927, now seen corresponding path program 2 times [2024-10-14 20:24:46,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:24:46,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243062384] [2024-10-14 20:24:46,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:46,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:24:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:48,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6237 backedges. 0 proven. 6237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:48,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:24:48,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243062384] [2024-10-14 20:24:48,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243062384] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:24:48,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929657699] [2024-10-14 20:24:48,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:24:48,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:24:48,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:24:48,343 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) [2024-10-14 20:24:48,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:24:48,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 20:24:48,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:24:48,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:24:48,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:24:48,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6237 trivial. 0 not checked. [2024-10-14 20:24:48,887 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:24:48,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929657699] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:24:48,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:24:48,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [46] total 51 [2024-10-14 20:24:48,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51210604] [2024-10-14 20:24:48,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:24:48,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:24:48,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:24:48,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:24:48,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1139, Invalid=1513, Unknown=0, NotChecked=0, Total=2652 [2024-10-14 20:24:48,889 INFO L87 Difference]: Start difference. First operand 339 states and 340 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-10-14 20:24:49,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:24:49,018 INFO L93 Difference]: Finished difference Result 339 states and 340 transitions. [2024-10-14 20:24:49,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:24:49,019 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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 319 [2024-10-14 20:24:49,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:24:49,020 INFO L225 Difference]: With dead ends: 339 [2024-10-14 20:24:49,020 INFO L226 Difference]: Without dead ends: 326 [2024-10-14 20:24:49,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1163, Invalid=1917, Unknown=0, NotChecked=0, Total=3080 [2024-10-14 20:24:49,021 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 30 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:24:49,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 11 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:24:49,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-14 20:24:49,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2024-10-14 20:24:49,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 324 states have (on average 1.0061728395061729) internal successors, (326), 325 states have internal predecessors, (326), 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) [2024-10-14 20:24:49,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 326 transitions. [2024-10-14 20:24:49,025 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 326 transitions. Word has length 319 [2024-10-14 20:24:49,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:24:49,026 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 326 transitions. [2024-10-14 20:24:49,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-10-14 20:24:49,026 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 326 transitions. [2024-10-14 20:24:49,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-10-14 20:24:49,028 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:24:49,028 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 44, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:24:49,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 20:24:49,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-14 20:24:49,233 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:24:49,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:24:49,234 INFO L85 PathProgramCache]: Analyzing trace with hash 2016735011, now seen corresponding path program 1 times [2024-10-14 20:24:49,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:24:49,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533907124] [2024-10-14 20:24:49,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:49,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:24:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6536 backedges. 0 proven. 6536 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:50,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:24:50,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533907124] [2024-10-14 20:24:50,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533907124] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:24:50,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764161115] [2024-10-14 20:24:50,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:50,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:24:50,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:24:50,905 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) [2024-10-14 20:24:50,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:24:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:24:51,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-14 20:24:51,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:24:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 6536 backedges. 0 proven. 6536 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:51,457 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:24:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6536 backedges. 0 proven. 6536 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:24:53,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764161115] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:24:53,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:24:53,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 92 [2024-10-14 20:24:53,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456033589] [2024-10-14 20:24:53,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:24:53,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-10-14 20:24:53,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:24:53,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-10-14 20:24:53,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2024-10-14 20:24:53,541 INFO L87 Difference]: Start difference. First operand 326 states and 326 transitions. Second operand has 93 states, 92 states have (on average 7.032608695652174) internal successors, (647), 93 states have internal predecessors, (647), 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) [2024-10-14 20:24:54,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:24:54,579 INFO L93 Difference]: Finished difference Result 880 states and 970 transitions. [2024-10-14 20:24:54,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-10-14 20:24:54,579 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 92 states have (on average 7.032608695652174) internal successors, (647), 93 states have internal predecessors, (647), 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 319 [2024-10-14 20:24:54,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:24:54,581 INFO L225 Difference]: With dead ends: 880 [2024-10-14 20:24:54,581 INFO L226 Difference]: Without dead ends: 648 [2024-10-14 20:24:54,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2024-10-14 20:24:54,583 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 802 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 20:24:54,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 150 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 20:24:54,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-10-14 20:24:54,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 648. [2024-10-14 20:24:54,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 646 states have (on average 1.0030959752321982) internal successors, (648), 647 states have internal predecessors, (648), 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) [2024-10-14 20:24:54,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 648 transitions. [2024-10-14 20:24:54,590 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 648 transitions. Word has length 319 [2024-10-14 20:24:54,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:24:54,590 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 648 transitions. [2024-10-14 20:24:54,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 92 states have (on average 7.032608695652174) internal successors, (647), 93 states have internal predecessors, (647), 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) [2024-10-14 20:24:54,591 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 648 transitions. [2024-10-14 20:24:54,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2024-10-14 20:24:54,597 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:24:54,597 INFO L215 NwaCegarLoop]: trace histogram [90, 90, 90, 90, 89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:24:54,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 20:24:54,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:24:54,798 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:24:54,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:24:54,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1023830205, now seen corresponding path program 2 times [2024-10-14 20:24:54,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:24:54,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907890700] [2024-10-14 20:24:54,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:24:54,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:24:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:25:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 27857 backedges. 0 proven. 27857 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:25:00,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:25:00,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907890700] [2024-10-14 20:25:00,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907890700] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:25:00,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24781523] [2024-10-14 20:25:00,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:25:00,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:25:00,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:25:00,511 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) [2024-10-14 20:25:00,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 20:25:00,686 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 20:25:00,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:25:00,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 20:25:00,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:25:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 27857 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 27768 trivial. 0 not checked. [2024-10-14 20:25:01,400 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:25:01,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24781523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:25:01,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:25:01,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [92] total 97 [2024-10-14 20:25:01,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508021818] [2024-10-14 20:25:01,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:25:01,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 20:25:01,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:25:01,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 20:25:01,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4382, Invalid=5124, Unknown=0, NotChecked=0, Total=9506 [2024-10-14 20:25:01,403 INFO L87 Difference]: Start difference. First operand 648 states and 648 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-10-14 20:25:01,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:25:01,579 INFO L93 Difference]: Finished difference Result 648 states and 648 transitions. [2024-10-14 20:25:01,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 20:25:01,579 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 641 [2024-10-14 20:25:01,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:25:01,581 INFO L225 Difference]: With dead ends: 648 [2024-10-14 20:25:01,581 INFO L226 Difference]: Without dead ends: 642 [2024-10-14 20:25:01,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=4406, Invalid=5896, Unknown=0, NotChecked=0, Total=10302 [2024-10-14 20:25:01,586 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 27 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:25:01,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 5 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:25:01,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2024-10-14 20:25:01,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 642. [2024-10-14 20:25:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 641 states have (on average 1.001560062402496) internal successors, (642), 641 states have internal predecessors, (642), 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) [2024-10-14 20:25:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 642 transitions. [2024-10-14 20:25:01,594 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 642 transitions. Word has length 641 [2024-10-14 20:25:01,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:25:01,595 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 642 transitions. [2024-10-14 20:25:01,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-10-14 20:25:01,595 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 642 transitions. [2024-10-14 20:25:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2024-10-14 20:25:01,602 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:25:01,603 INFO L215 NwaCegarLoop]: trace histogram [91, 91, 90, 90, 90, 90, 90, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:25:01,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 20:25:01,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:25:01,807 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:25:01,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:25:01,808 INFO L85 PathProgramCache]: Analyzing trace with hash -550383693, now seen corresponding path program 1 times [2024-10-14 20:25:01,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:25:01,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404347390] [2024-10-14 20:25:01,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:25:01,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:25:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:25:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 28305 backedges. 0 proven. 28305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:25:07,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:25:07,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404347390] [2024-10-14 20:25:07,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404347390] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:25:07,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958570783] [2024-10-14 20:25:07,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:25:07,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:25:07,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:25:07,814 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) [2024-10-14 20:25:07,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 20:25:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:25:08,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 2311 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-10-14 20:25:08,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:25:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 28305 backedges. 0 proven. 28305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:25:08,780 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:25:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 28305 backedges. 0 proven. 28305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:25:16,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958570783] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:25:16,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:25:16,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 92, 92] total 184 [2024-10-14 20:25:16,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384006897] [2024-10-14 20:25:16,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:25:16,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2024-10-14 20:25:16,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:25:16,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2024-10-14 20:25:16,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2024-10-14 20:25:16,616 INFO L87 Difference]: Start difference. First operand 642 states and 642 transitions. Second operand has 185 states, 184 states have (on average 7.016304347826087) internal successors, (1291), 185 states have internal predecessors, (1291), 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) [2024-10-14 20:25:18,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:25:18,673 INFO L93 Difference]: Finished difference Result 1287 states and 1378 transitions. [2024-10-14 20:25:18,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2024-10-14 20:25:18,674 INFO L78 Accepts]: Start accepts. Automaton has has 185 states, 184 states have (on average 7.016304347826087) internal successors, (1291), 185 states have internal predecessors, (1291), 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 641 [2024-10-14 20:25:18,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:25:18,687 INFO L225 Difference]: With dead ends: 1287 [2024-10-14 20:25:18,688 INFO L226 Difference]: Without dead ends: 1286 [2024-10-14 20:25:18,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1372 GetRequests, 1189 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2024-10-14 20:25:18,696 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 20:25:18,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 189 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 20:25:18,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2024-10-14 20:25:18,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1286. [2024-10-14 20:25:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 1285 states have (on average 1.0007782101167315) internal successors, (1286), 1285 states have internal predecessors, (1286), 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) [2024-10-14 20:25:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1286 transitions. [2024-10-14 20:25:18,732 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1286 transitions. Word has length 641 [2024-10-14 20:25:18,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:25:18,733 INFO L471 AbstractCegarLoop]: Abstraction has 1286 states and 1286 transitions. [2024-10-14 20:25:18,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 184 states have (on average 7.016304347826087) internal successors, (1291), 185 states have internal predecessors, (1291), 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) [2024-10-14 20:25:18,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1286 transitions. [2024-10-14 20:25:18,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1286 [2024-10-14 20:25:18,752 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:25:18,752 INFO L215 NwaCegarLoop]: trace histogram [183, 183, 182, 182, 182, 182, 182, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:25:18,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-14 20:25:18,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-14 20:25:18,954 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 20:25:18,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:25:18,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1877051379, now seen corresponding path program 2 times [2024-10-14 20:25:18,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:25:18,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978640617] [2024-10-14 20:25:18,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:25:18,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:25:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:25:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 115843 backedges. 0 proven. 115843 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:25:47,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:25:47,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978640617] [2024-10-14 20:25:47,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978640617] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:25:47,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781493313] [2024-10-14 20:25:47,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:25:47,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:25:47,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:25:47,519 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) [2024-10-14 20:25:47,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 20:25:48,265 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:25:48,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:25:48,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 4611 conjuncts, 184 conjuncts are in the unsatisfiable core [2024-10-14 20:25:48,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:25:49,392 INFO L134 CoverageAnalysis]: Checked inductivity of 115843 backedges. 0 proven. 115843 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:25:49,395 INFO L311 TraceCheckSpWp]: Computing backward predicates...