./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.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 0af3ae3e1b18402d7b766cf1943edddd3bf558b5da3e0e85ca5f8b1f74f72a1e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 19:05:14,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:05:14,977 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:05:14,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:05:14,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:05:15,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:05:15,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:05:15,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:05:15,032 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:05:15,033 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:05:15,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:05:15,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:05:15,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:05:15,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:05:15,034 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:05:15,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:05:15,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:05:15,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:05:15,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:05:15,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:05:15,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:05:15,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:05:15,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:05:15,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:05:15,040 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:05:15,040 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:05:15,040 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:05:15,040 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:05:15,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:05:15,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:05:15,040 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:05:15,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:05:15,041 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:05:15,041 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:05:15,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:05:15,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:05:15,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:05:15,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:05:15,041 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:05:15,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:05:15,041 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:05:15,042 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:05:15,042 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:05:15,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:05:15,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0af3ae3e1b18402d7b766cf1943edddd3bf558b5da3e0e85ca5f8b1f74f72a1e [2024-11-10 19:05:15,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:05:15,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:05:15,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:05:15,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:05:15,246 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:05:15,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c [2024-11-10 19:05:16,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:05:16,729 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:05:16,729 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound1.c [2024-11-10 19:05:16,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5858b2aae/666b262dc7d5499ea50c3636a2b153a8/FLAGd26cc9fcf [2024-11-10 19:05:17,149 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5858b2aae/666b262dc7d5499ea50c3636a2b153a8 [2024-11-10 19:05:17,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:05:17,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:05:17,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:05:17,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:05:17,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:05:17,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2320afa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17, skipping insertion in model container [2024-11-10 19:05:17,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:05:17,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:05:17,369 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:05:17,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:05:17,409 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:05:17,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17 WrapperNode [2024-11-10 19:05:17,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:05:17,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:05:17,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:05:17,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:05:17,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,450 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 123 [2024-11-10 19:05:17,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:05:17,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:05:17,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:05:17,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:05:17,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,461 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,471 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 19:05:17,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,474 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:05:17,480 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:05:17,480 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:05:17,480 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:05:17,481 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17" (1/1) ... [2024-11-10 19:05:17,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:05:17,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:17,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 19:05:17,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 19:05:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:05:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 19:05:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 19:05:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:05:17,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:05:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:05:17,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 19:05:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 19:05:17,609 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:05:17,611 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:05:17,982 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2024-11-10 19:05:17,982 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:05:17,996 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:05:17,996 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:05:17,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:05:17 BoogieIcfgContainer [2024-11-10 19:05:17,996 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:05:17,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:05:17,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:05:18,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:05:18,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:05:17" (1/3) ... [2024-11-10 19:05:18,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcd70c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:05:18, skipping insertion in model container [2024-11-10 19:05:18,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:05:17" (2/3) ... [2024-11-10 19:05:18,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcd70c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:05:18, skipping insertion in model container [2024-11-10 19:05:18,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:05:17" (3/3) ... [2024-11-10 19:05:18,003 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_unwindbound1.c [2024-11-10 19:05:18,016 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:05:18,016 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-10 19:05:18,061 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:05:18,066 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;@219dd44e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:05:18,067 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-10 19:05:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 83 states have (on average 1.7710843373493976) internal successors, (147), 141 states have internal predecessors, (147), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-10 19:05:18,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:05:18,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:18,076 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:18,076 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:18,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:18,081 INFO L85 PathProgramCache]: Analyzing trace with hash 373124208, now seen corresponding path program 1 times [2024-11-10 19:05:18,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:18,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126560395] [2024-11-10 19:05:18,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:18,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:18,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:18,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:18,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:18,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126560395] [2024-11-10 19:05:18,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126560395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:18,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:18,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:18,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80840087] [2024-11-10 19:05:18,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:18,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 19:05:18,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:18,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 19:05:18,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:05:18,228 INFO L87 Difference]: Start difference. First operand has 153 states, 83 states have (on average 1.7710843373493976) internal successors, (147), 141 states have internal predecessors, (147), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:05:18,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:18,251 INFO L93 Difference]: Finished difference Result 302 states and 334 transitions. [2024-11-10 19:05:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 19:05:18,253 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-10 19:05:18,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:18,261 INFO L225 Difference]: With dead ends: 302 [2024-11-10 19:05:18,261 INFO L226 Difference]: Without dead ends: 146 [2024-11-10 19:05:18,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 19:05:18,266 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:18,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:18,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-10 19:05:18,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-10 19:05:18,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 78 states have (on average 1.7692307692307692) internal successors, (138), 135 states have internal predecessors, (138), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:05:18,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2024-11-10 19:05:18,304 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 15 [2024-11-10 19:05:18,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:18,305 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2024-11-10 19:05:18,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 19:05:18,305 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2024-11-10 19:05:18,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 19:05:18,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:18,306 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:18,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:05:18,307 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:18,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:18,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1395198000, now seen corresponding path program 1 times [2024-11-10 19:05:18,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:18,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840014780] [2024-11-10 19:05:18,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:18,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:18,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:18,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:18,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:18,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840014780] [2024-11-10 19:05:18,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840014780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:18,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:18,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:18,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461564254] [2024-11-10 19:05:18,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:18,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:18,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:18,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:18,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:18,419 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:18,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:18,549 INFO L93 Difference]: Finished difference Result 212 states and 222 transitions. [2024-11-10 19:05:18,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:05:18,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-10 19:05:18,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:18,551 INFO L225 Difference]: With dead ends: 212 [2024-11-10 19:05:18,552 INFO L226 Difference]: Without dead ends: 151 [2024-11-10 19:05:18,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:05:18,558 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 11 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:18,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 435 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:18,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-10 19:05:18,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-10 19:05:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 83 states have (on average 1.7228915662650603) internal successors, (143), 140 states have internal predecessors, (143), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:05:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 159 transitions. [2024-11-10 19:05:18,580 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 159 transitions. Word has length 15 [2024-11-10 19:05:18,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:18,581 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 159 transitions. [2024-11-10 19:05:18,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:18,581 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 159 transitions. [2024-11-10 19:05:18,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-10 19:05:18,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:18,582 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:18,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:05:18,582 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:18,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:18,582 INFO L85 PathProgramCache]: Analyzing trace with hash -165159412, now seen corresponding path program 1 times [2024-11-10 19:05:18,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:18,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836781471] [2024-11-10 19:05:18,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:18,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:18,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1310533340] [2024-11-10 19:05:18,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:18,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:18,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:18,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:18,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:05:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:18,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:05:18,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:18,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:18,728 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:18,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:18,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836781471] [2024-11-10 19:05:18,729 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:18,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310533340] [2024-11-10 19:05:18,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310533340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:18,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:18,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:18,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086528582] [2024-11-10 19:05:18,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:18,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:18,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:18,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:18,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:18,733 INFO L87 Difference]: Start difference. First operand 151 states and 159 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:19,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:19,072 INFO L93 Difference]: Finished difference Result 240 states and 287 transitions. [2024-11-10 19:05:19,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:19,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-10 19:05:19,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:19,078 INFO L225 Difference]: With dead ends: 240 [2024-11-10 19:05:19,078 INFO L226 Difference]: Without dead ends: 236 [2024-11-10 19:05:19,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:19,079 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 78 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:19,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 157 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:19,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-10 19:05:19,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 189. [2024-11-10 19:05:19,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 116 states have (on average 1.7672413793103448) internal successors, (205), 173 states have internal predecessors, (205), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-10 19:05:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 231 transitions. [2024-11-10 19:05:19,112 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 231 transitions. Word has length 19 [2024-11-10 19:05:19,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:19,113 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 231 transitions. [2024-11-10 19:05:19,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 231 transitions. [2024-11-10 19:05:19,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 19:05:19,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:19,118 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:19,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:05:19,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:19,320 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:19,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:19,321 INFO L85 PathProgramCache]: Analyzing trace with hash 195598154, now seen corresponding path program 1 times [2024-11-10 19:05:19,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:19,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647758593] [2024-11-10 19:05:19,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:19,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:19,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1642961163] [2024-11-10 19:05:19,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:19,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:19,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:19,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:19,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:05:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:19,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:05:19,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:19,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:19,478 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:19,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:19,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647758593] [2024-11-10 19:05:19,478 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:19,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642961163] [2024-11-10 19:05:19,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642961163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:19,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:19,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:19,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620962260] [2024-11-10 19:05:19,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:19,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:19,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:19,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:19,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:19,480 INFO L87 Difference]: Start difference. First operand 189 states and 231 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:19,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:19,849 INFO L93 Difference]: Finished difference Result 301 states and 367 transitions. [2024-11-10 19:05:19,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:19,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-10 19:05:19,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:19,855 INFO L225 Difference]: With dead ends: 301 [2024-11-10 19:05:19,855 INFO L226 Difference]: Without dead ends: 293 [2024-11-10 19:05:19,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:19,856 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 92 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:19,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 237 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:19,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-10 19:05:19,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 249. [2024-11-10 19:05:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 170 states have (on average 1.7294117647058824) internal successors, (294), 227 states have internal predecessors, (294), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 19:05:19,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 332 transitions. [2024-11-10 19:05:19,890 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 332 transitions. Word has length 21 [2024-11-10 19:05:19,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:19,890 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 332 transitions. [2024-11-10 19:05:19,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:19,890 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 332 transitions. [2024-11-10 19:05:19,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-10 19:05:19,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:19,891 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:19,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:05:20,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-10 19:05:20,091 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:20,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:20,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1008732024, now seen corresponding path program 1 times [2024-11-10 19:05:20,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:20,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098384246] [2024-11-10 19:05:20,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:20,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:20,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [915134568] [2024-11-10 19:05:20,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:20,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:20,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:20,138 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:20,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:05:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:20,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:05:20,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:20,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:20,304 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:20,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:20,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098384246] [2024-11-10 19:05:20,305 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:20,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915134568] [2024-11-10 19:05:20,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915134568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:20,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:20,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:20,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490385181] [2024-11-10 19:05:20,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:20,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:20,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:20,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:20,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:20,310 INFO L87 Difference]: Start difference. First operand 249 states and 332 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:20,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:20,729 INFO L93 Difference]: Finished difference Result 287 states and 353 transitions. [2024-11-10 19:05:20,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:20,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-10 19:05:20,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:20,731 INFO L225 Difference]: With dead ends: 287 [2024-11-10 19:05:20,731 INFO L226 Difference]: Without dead ends: 273 [2024-11-10 19:05:20,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:20,733 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 69 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:20,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 154 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:20,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-10 19:05:20,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 216. [2024-11-10 19:05:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 142 states have (on average 1.6408450704225352) internal successors, (233), 199 states have internal predecessors, (233), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 261 transitions. [2024-11-10 19:05:20,743 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 261 transitions. Word has length 23 [2024-11-10 19:05:20,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:20,743 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 261 transitions. [2024-11-10 19:05:20,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-10 19:05:20,744 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 261 transitions. [2024-11-10 19:05:20,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 19:05:20,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:20,744 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:20,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:20,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:20,945 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:20,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:20,946 INFO L85 PathProgramCache]: Analyzing trace with hash -745073679, now seen corresponding path program 1 times [2024-11-10 19:05:20,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:20,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986724382] [2024-11-10 19:05:20,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:20,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:20,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [149547721] [2024-11-10 19:05:20,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:20,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:20,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:20,986 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:20,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:05:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:21,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 19:05:21,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:21,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:21,061 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:21,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:21,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986724382] [2024-11-10 19:05:21,061 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:21,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149547721] [2024-11-10 19:05:21,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149547721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:21,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:21,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:21,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838309613] [2024-11-10 19:05:21,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:21,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:21,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:21,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:21,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:21,064 INFO L87 Difference]: Start difference. First operand 216 states and 261 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:21,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:21,265 INFO L93 Difference]: Finished difference Result 393 states and 496 transitions. [2024-11-10 19:05:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:21,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-11-10 19:05:21,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:21,270 INFO L225 Difference]: With dead ends: 393 [2024-11-10 19:05:21,271 INFO L226 Difference]: Without dead ends: 385 [2024-11-10 19:05:21,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:21,272 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 93 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:21,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 242 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:05:21,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-10 19:05:21,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 302. [2024-11-10 19:05:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 219 states have (on average 1.639269406392694) internal successors, (359), 276 states have internal predecessors, (359), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:21,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 405 transitions. [2024-11-10 19:05:21,283 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 405 transitions. Word has length 30 [2024-11-10 19:05:21,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:21,283 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 405 transitions. [2024-11-10 19:05:21,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 405 transitions. [2024-11-10 19:05:21,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-10 19:05:21,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:21,284 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:21,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:21,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:21,486 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:21,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:21,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1243735631, now seen corresponding path program 1 times [2024-11-10 19:05:21,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:21,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74381120] [2024-11-10 19:05:21,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:21,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:21,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970879448] [2024-11-10 19:05:21,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:21,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:21,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:21,504 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:21,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:05:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:21,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:21,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:21,676 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:21,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:21,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74381120] [2024-11-10 19:05:21,677 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:21,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970879448] [2024-11-10 19:05:21,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970879448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:21,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:21,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:21,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234158146] [2024-11-10 19:05:21,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:21,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:21,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:21,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:21,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:21,678 INFO L87 Difference]: Start difference. First operand 302 states and 405 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:22,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:22,278 INFO L93 Difference]: Finished difference Result 361 states and 474 transitions. [2024-11-10 19:05:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:22,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-11-10 19:05:22,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:22,282 INFO L225 Difference]: With dead ends: 361 [2024-11-10 19:05:22,282 INFO L226 Difference]: Without dead ends: 359 [2024-11-10 19:05:22,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:22,283 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 192 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:22,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 188 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:22,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-10 19:05:22,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 302. [2024-11-10 19:05:22,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 219 states have (on average 1.6210045662100456) internal successors, (355), 276 states have internal predecessors, (355), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:22,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 401 transitions. [2024-11-10 19:05:22,301 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 401 transitions. Word has length 32 [2024-11-10 19:05:22,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:22,301 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 401 transitions. [2024-11-10 19:05:22,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:22,302 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 401 transitions. [2024-11-10 19:05:22,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 19:05:22,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:22,305 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:22,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:22,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:22,506 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:22,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:22,507 INFO L85 PathProgramCache]: Analyzing trace with hash -98901022, now seen corresponding path program 1 times [2024-11-10 19:05:22,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:22,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323021479] [2024-11-10 19:05:22,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:22,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:22,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1560983529] [2024-11-10 19:05:22,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:22,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:22,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:22,529 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:22,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:05:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:22,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:22,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:22,711 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:22,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:22,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323021479] [2024-11-10 19:05:22,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:22,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560983529] [2024-11-10 19:05:22,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560983529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:22,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:22,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:22,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917334201] [2024-11-10 19:05:22,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:22,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:22,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:22,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:22,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:22,713 INFO L87 Difference]: Start difference. First operand 302 states and 401 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:23,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:23,105 INFO L93 Difference]: Finished difference Result 361 states and 470 transitions. [2024-11-10 19:05:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:23,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2024-11-10 19:05:23,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:23,107 INFO L225 Difference]: With dead ends: 361 [2024-11-10 19:05:23,108 INFO L226 Difference]: Without dead ends: 359 [2024-11-10 19:05:23,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:23,108 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 191 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:23,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 177 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:23,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-10 19:05:23,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 302. [2024-11-10 19:05:23,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 219 states have (on average 1.6027397260273972) internal successors, (351), 276 states have internal predecessors, (351), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:23,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 397 transitions. [2024-11-10 19:05:23,122 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 397 transitions. Word has length 33 [2024-11-10 19:05:23,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:23,122 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 397 transitions. [2024-11-10 19:05:23,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:23,123 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 397 transitions. [2024-11-10 19:05:23,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 19:05:23,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:23,124 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:23,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:23,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:23,325 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:23,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:23,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1229035693, now seen corresponding path program 1 times [2024-11-10 19:05:23,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:23,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311199305] [2024-11-10 19:05:23,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:23,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:23,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1284532724] [2024-11-10 19:05:23,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:23,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:23,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:23,344 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:23,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:05:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:23,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:23,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:23,420 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:23,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:23,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311199305] [2024-11-10 19:05:23,420 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:23,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284532724] [2024-11-10 19:05:23,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284532724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:23,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:23,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:23,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470128046] [2024-11-10 19:05:23,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:23,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:23,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:23,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:23,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:23,422 INFO L87 Difference]: Start difference. First operand 302 states and 397 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:24,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:24,309 INFO L93 Difference]: Finished difference Result 383 states and 476 transitions. [2024-11-10 19:05:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:24,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2024-11-10 19:05:24,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:24,317 INFO L225 Difference]: With dead ends: 383 [2024-11-10 19:05:24,321 INFO L226 Difference]: Without dead ends: 381 [2024-11-10 19:05:24,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:24,322 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 98 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:24,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 246 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 19:05:24,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-10 19:05:24,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 303. [2024-11-10 19:05:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 220 states have (on average 1.5863636363636364) internal successors, (349), 277 states have internal predecessors, (349), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:24,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 395 transitions. [2024-11-10 19:05:24,347 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 395 transitions. Word has length 34 [2024-11-10 19:05:24,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:24,348 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 395 transitions. [2024-11-10 19:05:24,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:24,348 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 395 transitions. [2024-11-10 19:05:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 19:05:24,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:24,348 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:24,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:24,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:24,549 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:24,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:24,552 INFO L85 PathProgramCache]: Analyzing trace with hash -554599104, now seen corresponding path program 1 times [2024-11-10 19:05:24,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:24,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787250279] [2024-11-10 19:05:24,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:24,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:24,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [919101994] [2024-11-10 19:05:24,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:24,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:24,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:24,579 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:24,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:05:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:24,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:24,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 19:05:24,696 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:24,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:24,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787250279] [2024-11-10 19:05:24,697 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:24,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919101994] [2024-11-10 19:05:24,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919101994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:24,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:24,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:24,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287781062] [2024-11-10 19:05:24,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:24,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:24,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:24,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:24,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:24,698 INFO L87 Difference]: Start difference. First operand 303 states and 395 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:25,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:25,444 INFO L93 Difference]: Finished difference Result 383 states and 472 transitions. [2024-11-10 19:05:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:25,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2024-11-10 19:05:25,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:25,446 INFO L225 Difference]: With dead ends: 383 [2024-11-10 19:05:25,446 INFO L226 Difference]: Without dead ends: 381 [2024-11-10 19:05:25,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:25,447 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 161 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:25,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 224 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:05:25,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-10 19:05:25,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 304. [2024-11-10 19:05:25,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 221 states have (on average 1.5701357466063348) internal successors, (347), 278 states have internal predecessors, (347), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:25,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 393 transitions. [2024-11-10 19:05:25,456 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 393 transitions. Word has length 35 [2024-11-10 19:05:25,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:25,456 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 393 transitions. [2024-11-10 19:05:25,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-10 19:05:25,457 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 393 transitions. [2024-11-10 19:05:25,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-10 19:05:25,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:25,457 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:25,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:25,658 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,SelfDestructingSolverStorable9 [2024-11-10 19:05:25,659 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:25,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:25,659 INFO L85 PathProgramCache]: Analyzing trace with hash 536119252, now seen corresponding path program 1 times [2024-11-10 19:05:25,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:25,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633279702] [2024-11-10 19:05:25,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:25,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:25,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [672688910] [2024-11-10 19:05:25,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:25,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:25,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:25,676 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:25,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:05:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:25,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:25,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:05:25,798 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:25,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:25,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633279702] [2024-11-10 19:05:25,798 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:25,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672688910] [2024-11-10 19:05:25,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672688910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:25,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:25,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:25,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39403593] [2024-11-10 19:05:25,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:25,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:25,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:25,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:25,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:25,800 INFO L87 Difference]: Start difference. First operand 304 states and 393 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:26,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:26,075 INFO L93 Difference]: Finished difference Result 332 states and 416 transitions. [2024-11-10 19:05:26,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:26,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-10 19:05:26,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:26,078 INFO L225 Difference]: With dead ends: 332 [2024-11-10 19:05:26,078 INFO L226 Difference]: Without dead ends: 330 [2024-11-10 19:05:26,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:26,079 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 240 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:26,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 169 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 19:05:26,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-10 19:05:26,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 305. [2024-11-10 19:05:26,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 222 states have (on average 1.5585585585585586) internal successors, (346), 279 states have internal predecessors, (346), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 392 transitions. [2024-11-10 19:05:26,092 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 392 transitions. Word has length 43 [2024-11-10 19:05:26,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:26,093 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 392 transitions. [2024-11-10 19:05:26,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:26,095 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 392 transitions. [2024-11-10 19:05:26,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-10 19:05:26,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:26,095 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:26,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 19:05:26,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:26,296 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:26,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:26,296 INFO L85 PathProgramCache]: Analyzing trace with hash -560172304, now seen corresponding path program 1 times [2024-11-10 19:05:26,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:26,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139549488] [2024-11-10 19:05:26,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:26,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:26,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1982494093] [2024-11-10 19:05:26,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:26,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:26,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:26,311 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:26,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:05:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:26,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:26,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:05:26,441 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:26,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:26,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139549488] [2024-11-10 19:05:26,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:26,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982494093] [2024-11-10 19:05:26,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982494093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:26,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:26,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:26,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90104662] [2024-11-10 19:05:26,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:26,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:26,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:26,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:26,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:26,444 INFO L87 Difference]: Start difference. First operand 305 states and 392 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:26,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:26,690 INFO L93 Difference]: Finished difference Result 332 states and 413 transitions. [2024-11-10 19:05:26,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:26,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-10 19:05:26,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:26,691 INFO L225 Difference]: With dead ends: 332 [2024-11-10 19:05:26,691 INFO L226 Difference]: Without dead ends: 330 [2024-11-10 19:05:26,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:26,692 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 176 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:26,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 184 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:05:26,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-10 19:05:26,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 306. [2024-11-10 19:05:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 223 states have (on average 1.547085201793722) internal successors, (345), 280 states have internal predecessors, (345), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:26,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 391 transitions. [2024-11-10 19:05:26,702 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 391 transitions. Word has length 44 [2024-11-10 19:05:26,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:26,702 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 391 transitions. [2024-11-10 19:05:26,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 391 transitions. [2024-11-10 19:05:26,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-10 19:05:26,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:26,703 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:26,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:05:26,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 19:05:26,908 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:26,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:26,908 INFO L85 PathProgramCache]: Analyzing trace with hash -185472174, now seen corresponding path program 1 times [2024-11-10 19:05:26,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:26,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461204303] [2024-11-10 19:05:26,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:26,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:26,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [512018250] [2024-11-10 19:05:26,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:26,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:26,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:26,920 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:26,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:05:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:26,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:26,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:26,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:05:26,985 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:26,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:26,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461204303] [2024-11-10 19:05:26,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:26,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512018250] [2024-11-10 19:05:26,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512018250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:26,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:26,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:26,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097054337] [2024-11-10 19:05:26,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:26,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:26,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:26,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:26,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:26,987 INFO L87 Difference]: Start difference. First operand 306 states and 391 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:27,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:27,629 INFO L93 Difference]: Finished difference Result 338 states and 400 transitions. [2024-11-10 19:05:27,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:27,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-10 19:05:27,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:27,631 INFO L225 Difference]: With dead ends: 338 [2024-11-10 19:05:27,631 INFO L226 Difference]: Without dead ends: 336 [2024-11-10 19:05:27,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:27,632 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 147 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:27,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 222 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:27,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-10 19:05:27,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 307. [2024-11-10 19:05:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 224 states have (on average 1.5357142857142858) internal successors, (344), 281 states have internal predecessors, (344), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:27,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 390 transitions. [2024-11-10 19:05:27,640 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 390 transitions. Word has length 45 [2024-11-10 19:05:27,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:27,640 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 390 transitions. [2024-11-10 19:05:27,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 390 transitions. [2024-11-10 19:05:27,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 19:05:27,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:27,641 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:27,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 19:05:27,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 19:05:27,841 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:27,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:27,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1454670034, now seen corresponding path program 1 times [2024-11-10 19:05:27,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:27,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142033446] [2024-11-10 19:05:27,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:27,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:27,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [425386257] [2024-11-10 19:05:27,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:27,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:27,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:27,856 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:27,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:05:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:27,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:27,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 19:05:27,980 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:27,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:27,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142033446] [2024-11-10 19:05:27,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:27,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425386257] [2024-11-10 19:05:27,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425386257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:27,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:27,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:27,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096026502] [2024-11-10 19:05:27,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:27,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:27,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:27,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:27,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:27,982 INFO L87 Difference]: Start difference. First operand 307 states and 390 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:28,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:28,797 INFO L93 Difference]: Finished difference Result 338 states and 397 transitions. [2024-11-10 19:05:28,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:28,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-11-10 19:05:28,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:28,799 INFO L225 Difference]: With dead ends: 338 [2024-11-10 19:05:28,799 INFO L226 Difference]: Without dead ends: 336 [2024-11-10 19:05:28,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:28,799 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 146 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:28,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 249 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:05:28,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-10 19:05:28,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 308. [2024-11-10 19:05:28,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 225 states have (on average 1.5244444444444445) internal successors, (343), 282 states have internal predecessors, (343), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:28,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 389 transitions. [2024-11-10 19:05:28,810 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 389 transitions. Word has length 46 [2024-11-10 19:05:28,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:28,811 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 389 transitions. [2024-11-10 19:05:28,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-10 19:05:28,811 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 389 transitions. [2024-11-10 19:05:28,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 19:05:28,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:28,812 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:28,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 19:05:29,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-10 19:05:29,013 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:29,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:29,013 INFO L85 PathProgramCache]: Analyzing trace with hash 2111006016, now seen corresponding path program 1 times [2024-11-10 19:05:29,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:29,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562919319] [2024-11-10 19:05:29,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:29,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:29,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:29,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562919319] [2024-11-10 19:05:29,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562919319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:29,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:29,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:29,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837384031] [2024-11-10 19:05:29,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:29,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:29,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:29,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:29,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:29,065 INFO L87 Difference]: Start difference. First operand 308 states and 389 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:05:29,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:29,107 INFO L93 Difference]: Finished difference Result 399 states and 506 transitions. [2024-11-10 19:05:29,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:29,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2024-11-10 19:05:29,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:29,109 INFO L225 Difference]: With dead ends: 399 [2024-11-10 19:05:29,109 INFO L226 Difference]: Without dead ends: 397 [2024-11-10 19:05:29,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:29,110 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 47 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:29,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 320 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:29,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-10 19:05:29,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 310. [2024-11-10 19:05:29,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 228 states have (on average 1.5043859649122806) internal successors, (343), 284 states have internal predecessors, (343), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:29,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 389 transitions. [2024-11-10 19:05:29,118 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 389 transitions. Word has length 53 [2024-11-10 19:05:29,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:29,119 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 389 transitions. [2024-11-10 19:05:29,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:05:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 389 transitions. [2024-11-10 19:05:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-10 19:05:29,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:29,121 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:29,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 19:05:29,122 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:29,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:29,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1016677081, now seen corresponding path program 1 times [2024-11-10 19:05:29,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:29,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021197045] [2024-11-10 19:05:29,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:29,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,208 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:29,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:29,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021197045] [2024-11-10 19:05:29,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021197045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:29,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:29,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:29,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55283235] [2024-11-10 19:05:29,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:29,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:29,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:29,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:29,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:29,212 INFO L87 Difference]: Start difference. First operand 310 states and 389 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:05:29,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:29,249 INFO L93 Difference]: Finished difference Result 398 states and 500 transitions. [2024-11-10 19:05:29,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:29,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2024-11-10 19:05:29,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:29,251 INFO L225 Difference]: With dead ends: 398 [2024-11-10 19:05:29,251 INFO L226 Difference]: Without dead ends: 396 [2024-11-10 19:05:29,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:29,251 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 46 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:29,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 307 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:29,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-10 19:05:29,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 312. [2024-11-10 19:05:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 231 states have (on average 1.4761904761904763) internal successors, (341), 286 states have internal predecessors, (341), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:29,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 387 transitions. [2024-11-10 19:05:29,263 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 387 transitions. Word has length 54 [2024-11-10 19:05:29,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:29,264 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 387 transitions. [2024-11-10 19:05:29,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-10 19:05:29,264 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 387 transitions. [2024-11-10 19:05:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 19:05:29,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:29,265 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:29,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 19:05:29,265 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:29,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:29,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1452279549, now seen corresponding path program 1 times [2024-11-10 19:05:29,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:29,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562850103] [2024-11-10 19:05:29,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:29,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:29,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:29,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562850103] [2024-11-10 19:05:29,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562850103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:29,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:29,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:29,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824725216] [2024-11-10 19:05:29,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:29,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:29,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:29,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:29,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:29,352 INFO L87 Difference]: Start difference. First operand 312 states and 387 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:30,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:30,039 INFO L93 Difference]: Finished difference Result 400 states and 496 transitions. [2024-11-10 19:05:30,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:05:30,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-11-10 19:05:30,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:30,042 INFO L225 Difference]: With dead ends: 400 [2024-11-10 19:05:30,042 INFO L226 Difference]: Without dead ends: 399 [2024-11-10 19:05:30,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:05:30,042 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 189 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:30,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 201 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:05:30,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-10 19:05:30,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 314. [2024-11-10 19:05:30,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 233 states have (on average 1.4721030042918455) internal successors, (343), 288 states have internal predecessors, (343), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:30,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 389 transitions. [2024-11-10 19:05:30,068 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 389 transitions. Word has length 55 [2024-11-10 19:05:30,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:30,069 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 389 transitions. [2024-11-10 19:05:30,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 389 transitions. [2024-11-10 19:05:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-10 19:05:30,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:30,069 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:30,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 19:05:30,069 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:30,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:30,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1452280990, now seen corresponding path program 1 times [2024-11-10 19:05:30,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:30,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791754774] [2024-11-10 19:05:30,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:30,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:30,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:30,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:30,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:30,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:30,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:30,186 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:30,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:30,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791754774] [2024-11-10 19:05:30,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791754774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:30,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:30,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:05:30,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377155294] [2024-11-10 19:05:30,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:30,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:30,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:30,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:30,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:05:30,188 INFO L87 Difference]: Start difference. First operand 314 states and 389 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:30,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:30,807 INFO L93 Difference]: Finished difference Result 399 states and 494 transitions. [2024-11-10 19:05:30,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:05:30,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-11-10 19:05:30,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:30,809 INFO L225 Difference]: With dead ends: 399 [2024-11-10 19:05:30,809 INFO L226 Difference]: Without dead ends: 398 [2024-11-10 19:05:30,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:05:30,810 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 190 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:30,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 190 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:30,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-10 19:05:30,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 314. [2024-11-10 19:05:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 233 states have (on average 1.4678111587982832) internal successors, (342), 288 states have internal predecessors, (342), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 388 transitions. [2024-11-10 19:05:30,833 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 388 transitions. Word has length 55 [2024-11-10 19:05:30,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:30,833 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 388 transitions. [2024-11-10 19:05:30,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:30,833 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 388 transitions. [2024-11-10 19:05:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-10 19:05:30,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:30,835 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:30,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 19:05:30,835 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:30,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:30,835 INFO L85 PathProgramCache]: Analyzing trace with hash 846511398, now seen corresponding path program 1 times [2024-11-10 19:05:30,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:30,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797245254] [2024-11-10 19:05:30,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:30,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:30,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:30,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:30,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:30,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:30,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:30,917 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:30,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:30,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797245254] [2024-11-10 19:05:30,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797245254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:30,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:30,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:05:30,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645122220] [2024-11-10 19:05:30,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:30,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:30,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:30,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:30,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:30,918 INFO L87 Difference]: Start difference. First operand 314 states and 388 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:31,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:31,061 INFO L93 Difference]: Finished difference Result 381 states and 462 transitions. [2024-11-10 19:05:31,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:31,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-11-10 19:05:31,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:31,063 INFO L225 Difference]: With dead ends: 381 [2024-11-10 19:05:31,063 INFO L226 Difference]: Without dead ends: 377 [2024-11-10 19:05:31,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:05:31,063 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 52 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:31,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 179 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:05:31,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-10 19:05:31,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 328. [2024-11-10 19:05:31,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 247 states have (on average 1.4453441295546559) internal successors, (357), 302 states have internal predecessors, (357), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:31,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 403 transitions. [2024-11-10 19:05:31,094 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 403 transitions. Word has length 60 [2024-11-10 19:05:31,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:31,095 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 403 transitions. [2024-11-10 19:05:31,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:31,095 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 403 transitions. [2024-11-10 19:05:31,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-10 19:05:31,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:31,095 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:31,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 19:05:31,096 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:31,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:31,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1106499523, now seen corresponding path program 1 times [2024-11-10 19:05:31,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:31,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147047166] [2024-11-10 19:05:31,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:31,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,209 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:31,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:31,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147047166] [2024-11-10 19:05:31,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147047166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:31,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430984694] [2024-11-10 19:05:31,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:31,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:31,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:31,213 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:31,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 19:05:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:31,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:31,365 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:31,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430984694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:31,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:31,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-10 19:05:31,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152071919] [2024-11-10 19:05:31,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:31,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:05:31,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:31,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:05:31,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:31,367 INFO L87 Difference]: Start difference. First operand 328 states and 403 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:31,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:31,400 INFO L93 Difference]: Finished difference Result 328 states and 403 transitions. [2024-11-10 19:05:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:31,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-10 19:05:31,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:31,401 INFO L225 Difference]: With dead ends: 328 [2024-11-10 19:05:31,401 INFO L226 Difference]: Without dead ends: 327 [2024-11-10 19:05:31,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:05:31,403 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 114 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:31,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 287 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:31,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-10 19:05:31,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2024-11-10 19:05:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 247 states have (on average 1.4331983805668016) internal successors, (354), 301 states have internal predecessors, (354), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 19:05:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 400 transitions. [2024-11-10 19:05:31,418 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 400 transitions. Word has length 64 [2024-11-10 19:05:31,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:31,418 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 400 transitions. [2024-11-10 19:05:31,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:31,419 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 400 transitions. [2024-11-10 19:05:31,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-10 19:05:31,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:31,419 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:31,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:31,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-10 19:05:31,620 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:31,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:31,621 INFO L85 PathProgramCache]: Analyzing trace with hash 584780093, now seen corresponding path program 1 times [2024-11-10 19:05:31,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:31,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285109803] [2024-11-10 19:05:31,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:31,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-10 19:05:31,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:31,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285109803] [2024-11-10 19:05:31,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285109803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:31,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185295624] [2024-11-10 19:05:31,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:31,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:31,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:31,746 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:31,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-10 19:05:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:31,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:05:31,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:31,959 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:31,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185295624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:31,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:31,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-10 19:05:31,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783028429] [2024-11-10 19:05:31,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:31,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:31,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:31,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:31,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:05:31,960 INFO L87 Difference]: Start difference. First operand 327 states and 400 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:32,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:32,394 INFO L93 Difference]: Finished difference Result 395 states and 496 transitions. [2024-11-10 19:05:32,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:05:32,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 66 [2024-11-10 19:05:32,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:32,395 INFO L225 Difference]: With dead ends: 395 [2024-11-10 19:05:32,395 INFO L226 Difference]: Without dead ends: 394 [2024-11-10 19:05:32,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:32,396 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 88 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:32,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 160 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:32,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-10 19:05:32,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 336. [2024-11-10 19:05:32,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 255 states have (on average 1.419607843137255) internal successors, (362), 309 states have internal predecessors, (362), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-10 19:05:32,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 410 transitions. [2024-11-10 19:05:32,407 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 410 transitions. Word has length 66 [2024-11-10 19:05:32,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:32,407 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 410 transitions. [2024-11-10 19:05:32,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:32,407 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 410 transitions. [2024-11-10 19:05:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 19:05:32,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:32,408 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:32,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:32,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:32,609 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:32,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:32,609 INFO L85 PathProgramCache]: Analyzing trace with hash -58253050, now seen corresponding path program 1 times [2024-11-10 19:05:32,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:32,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117791803] [2024-11-10 19:05:32,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:32,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:32,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:32,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117791803] [2024-11-10 19:05:32,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117791803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:32,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375199113] [2024-11-10 19:05:32,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:32,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:32,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:32,673 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:32,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-10 19:05:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:32,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:05:32,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:32,759 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:32,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375199113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:32,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:32,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-10 19:05:32,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114546930] [2024-11-10 19:05:32,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:32,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:05:32,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:32,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:05:32,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:05:32,761 INFO L87 Difference]: Start difference. First operand 336 states and 410 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:32,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:32,816 INFO L93 Difference]: Finished difference Result 420 states and 508 transitions. [2024-11-10 19:05:32,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:05:32,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2024-11-10 19:05:32,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:32,819 INFO L225 Difference]: With dead ends: 420 [2024-11-10 19:05:32,819 INFO L226 Difference]: Without dead ends: 419 [2024-11-10 19:05:32,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:32,819 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 110 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:32,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 629 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:32,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-10 19:05:32,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 381. [2024-11-10 19:05:32,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 293 states have (on average 1.4402730375426622) internal successors, (422), 348 states have internal predecessors, (422), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 19:05:32,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 484 transitions. [2024-11-10 19:05:32,834 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 484 transitions. Word has length 65 [2024-11-10 19:05:32,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:32,835 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 484 transitions. [2024-11-10 19:05:32,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-10 19:05:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 484 transitions. [2024-11-10 19:05:32,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 19:05:32,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:32,836 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:32,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-10 19:05:33,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:33,036 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:33,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:33,037 INFO L85 PathProgramCache]: Analyzing trace with hash 948313707, now seen corresponding path program 1 times [2024-11-10 19:05:33,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:33,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765570122] [2024-11-10 19:05:33,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:33,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,147 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-10 19:05:33,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:33,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765570122] [2024-11-10 19:05:33,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765570122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:33,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890535670] [2024-11-10 19:05:33,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:33,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:33,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:33,150 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:33,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-10 19:05:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:33,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:05:33,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:33,523 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:33,523 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:33,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890535670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:33,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:33,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-10 19:05:33,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046748150] [2024-11-10 19:05:33,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:33,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:33,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:33,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:33,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:05:33,524 INFO L87 Difference]: Start difference. First operand 381 states and 484 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:34,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:34,181 INFO L93 Difference]: Finished difference Result 435 states and 562 transitions. [2024-11-10 19:05:34,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:05:34,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2024-11-10 19:05:34,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:34,184 INFO L225 Difference]: With dead ends: 435 [2024-11-10 19:05:34,184 INFO L226 Difference]: Without dead ends: 434 [2024-11-10 19:05:34,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:05:34,186 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 67 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:34,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 180 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:34,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-10 19:05:34,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 382. [2024-11-10 19:05:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 294 states have (on average 1.435374149659864) internal successors, (422), 349 states have internal predecessors, (422), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-10 19:05:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 484 transitions. [2024-11-10 19:05:34,202 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 484 transitions. Word has length 67 [2024-11-10 19:05:34,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:34,202 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 484 transitions. [2024-11-10 19:05:34,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 484 transitions. [2024-11-10 19:05:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 19:05:34,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:34,203 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:34,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-10 19:05:34,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-10 19:05:34,404 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:34,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:34,404 INFO L85 PathProgramCache]: Analyzing trace with hash -249721833, now seen corresponding path program 1 times [2024-11-10 19:05:34,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:34,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745526073] [2024-11-10 19:05:34,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:34,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:34,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:34,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745526073] [2024-11-10 19:05:34,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745526073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:34,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113795222] [2024-11-10 19:05:34,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:34,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:34,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:34,470 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:34,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-10 19:05:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:34,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:05:34,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:34,601 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:34,602 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:34,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113795222] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:05:34,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:05:34,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-10 19:05:34,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093699360] [2024-11-10 19:05:34,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:34,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:05:34,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:34,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:05:34,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:05:34,708 INFO L87 Difference]: Start difference. First operand 382 states and 484 transitions. Second operand has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-10 19:05:36,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:36,488 INFO L93 Difference]: Finished difference Result 990 states and 1179 transitions. [2024-11-10 19:05:36,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-10 19:05:36,489 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 68 [2024-11-10 19:05:36,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:36,492 INFO L225 Difference]: With dead ends: 990 [2024-11-10 19:05:36,492 INFO L226 Difference]: Without dead ends: 988 [2024-11-10 19:05:36,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=710, Invalid=2046, Unknown=0, NotChecked=0, Total=2756 [2024-11-10 19:05:36,493 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1681 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:36,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1681 Valid, 956 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1231 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 19:05:36,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-10 19:05:36,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 521. [2024-11-10 19:05:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 421 states have (on average 1.491686460807601) internal successors, (628), 476 states have internal predecessors, (628), 43 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (43), 41 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-10 19:05:36,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 714 transitions. [2024-11-10 19:05:36,515 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 714 transitions. Word has length 68 [2024-11-10 19:05:36,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:36,515 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 714 transitions. [2024-11-10 19:05:36,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.23076923076923) internal successors, (133), 14 states have internal predecessors, (133), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-10 19:05:36,516 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 714 transitions. [2024-11-10 19:05:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 19:05:36,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:36,516 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:36,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-10 19:05:36,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:36,717 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:36,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:36,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1459274939, now seen corresponding path program 1 times [2024-11-10 19:05:36,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:36,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058725976] [2024-11-10 19:05:36,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:36,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,787 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:36,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:36,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058725976] [2024-11-10 19:05:36,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058725976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:36,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318545607] [2024-11-10 19:05:36,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:36,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:36,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:36,789 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:36,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-10 19:05:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:36,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:05:36,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:36,948 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:36,948 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:37,035 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:37,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318545607] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:05:37,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:05:37,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-10 19:05:37,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958758929] [2024-11-10 19:05:37,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:37,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:05:37,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:37,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:05:37,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:05:37,036 INFO L87 Difference]: Start difference. First operand 521 states and 714 transitions. Second operand has 11 states, 10 states have (on average 13.3) internal successors, (133), 11 states have internal predecessors, (133), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-10 19:05:38,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:38,667 INFO L93 Difference]: Finished difference Result 1089 states and 1391 transitions. [2024-11-10 19:05:38,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 19:05:38,667 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.3) internal successors, (133), 11 states have internal predecessors, (133), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 68 [2024-11-10 19:05:38,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:38,670 INFO L225 Difference]: With dead ends: 1089 [2024-11-10 19:05:38,671 INFO L226 Difference]: Without dead ends: 1087 [2024-11-10 19:05:38,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:05:38,671 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 1105 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:38,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1108 Valid, 600 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 19:05:38,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2024-11-10 19:05:38,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 605. [2024-11-10 19:05:38,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 499 states have (on average 1.4789579158316633) internal successors, (738), 554 states have internal predecessors, (738), 49 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (49), 47 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-10 19:05:38,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 836 transitions. [2024-11-10 19:05:38,702 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 836 transitions. Word has length 68 [2024-11-10 19:05:38,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:38,702 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 836 transitions. [2024-11-10 19:05:38,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.3) internal successors, (133), 11 states have internal predecessors, (133), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-10 19:05:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 836 transitions. [2024-11-10 19:05:38,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-10 19:05:38,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:38,703 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:38,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:38,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:38,905 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:38,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:38,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1459274835, now seen corresponding path program 1 times [2024-11-10 19:05:38,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:38,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061673275] [2024-11-10 19:05:38,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:38,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:38,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:38,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:38,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:38,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:38,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:38,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:38,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061673275] [2024-11-10 19:05:38,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061673275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:38,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427332091] [2024-11-10 19:05:38,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:38,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:38,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:38,978 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:38,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-10 19:05:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:39,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 19:05:39,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:39,079 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:39,079 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:39,141 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:39,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427332091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:05:39,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:05:39,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 9 [2024-11-10 19:05:39,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893773464] [2024-11-10 19:05:39,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:39,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 19:05:39,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:39,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 19:05:39,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:05:39,144 INFO L87 Difference]: Start difference. First operand 605 states and 836 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 19:05:39,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:39,217 INFO L93 Difference]: Finished difference Result 702 states and 941 transitions. [2024-11-10 19:05:39,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:05:39,217 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 68 [2024-11-10 19:05:39,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:39,218 INFO L225 Difference]: With dead ends: 702 [2024-11-10 19:05:39,218 INFO L226 Difference]: Without dead ends: 173 [2024-11-10 19:05:39,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 140 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:05:39,221 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 80 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:39,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 412 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:05:39,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-10 19:05:39,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-11-10 19:05:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 133 states have (on average 1.2030075187969924) internal successors, (160), 156 states have internal predecessors, (160), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:39,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 188 transitions. [2024-11-10 19:05:39,231 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 188 transitions. Word has length 68 [2024-11-10 19:05:39,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:39,232 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 188 transitions. [2024-11-10 19:05:39,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-10 19:05:39,232 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 188 transitions. [2024-11-10 19:05:39,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-10 19:05:39,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:39,232 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:39,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:39,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:39,437 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:39,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:39,437 INFO L85 PathProgramCache]: Analyzing trace with hash 848557794, now seen corresponding path program 1 times [2024-11-10 19:05:39,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:39,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405542292] [2024-11-10 19:05:39,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:39,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:39,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:39,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:39,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:39,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:39,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:39,493 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:39,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:39,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405542292] [2024-11-10 19:05:39,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405542292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:39,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26344533] [2024-11-10 19:05:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:39,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:39,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:39,496 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:39,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-10 19:05:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:39,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:05:39,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:39,648 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:39,649 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:39,742 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:39,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26344533] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:05:39,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:05:39,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-10 19:05:39,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580146933] [2024-11-10 19:05:39,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:39,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:05:39,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:39,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:05:39,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-10 19:05:39,744 INFO L87 Difference]: Start difference. First operand 173 states and 188 transitions. Second operand has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-10 19:05:40,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:40,224 INFO L93 Difference]: Finished difference Result 183 states and 200 transitions. [2024-11-10 19:05:40,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 19:05:40,225 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 69 [2024-11-10 19:05:40,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:40,226 INFO L225 Difference]: With dead ends: 183 [2024-11-10 19:05:40,226 INFO L226 Difference]: Without dead ends: 182 [2024-11-10 19:05:40,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:05:40,226 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 405 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:40,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 299 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:40,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-10 19:05:40,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 172. [2024-11-10 19:05:40,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 133 states have (on average 1.1879699248120301) internal successors, (158), 155 states have internal predecessors, (158), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 186 transitions. [2024-11-10 19:05:40,236 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 186 transitions. Word has length 69 [2024-11-10 19:05:40,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:40,236 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 186 transitions. [2024-11-10 19:05:40,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.6) internal successors, (136), 11 states have internal predecessors, (136), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-10 19:05:40,236 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 186 transitions. [2024-11-10 19:05:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 19:05:40,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:40,237 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:40,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:40,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-10 19:05:40,438 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:40,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:40,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1835790004, now seen corresponding path program 1 times [2024-11-10 19:05:40,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:40,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660258272] [2024-11-10 19:05:40,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:40,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:40,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1686922969] [2024-11-10 19:05:40,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:40,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:40,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:40,451 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:40,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-10 19:05:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:40,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:05:40,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-10 19:05:40,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:41,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:41,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660258272] [2024-11-10 19:05:41,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:41,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686922969] [2024-11-10 19:05:41,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686922969] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:41,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:41,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:05:41,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677243418] [2024-11-10 19:05:41,073 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:41,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:05:41,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:41,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:05:41,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:05:41,074 INFO L87 Difference]: Start difference. First operand 172 states and 186 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:41,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:41,504 INFO L93 Difference]: Finished difference Result 180 states and 195 transitions. [2024-11-10 19:05:41,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:05:41,504 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 75 [2024-11-10 19:05:41,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:41,505 INFO L225 Difference]: With dead ends: 180 [2024-11-10 19:05:41,505 INFO L226 Difference]: Without dead ends: 179 [2024-11-10 19:05:41,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:05:41,506 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 129 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:41,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 248 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:41,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-10 19:05:41,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 171. [2024-11-10 19:05:41,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 133 states have (on average 1.1804511278195489) internal successors, (157), 154 states have internal predecessors, (157), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:41,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 185 transitions. [2024-11-10 19:05:41,516 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 185 transitions. Word has length 75 [2024-11-10 19:05:41,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:41,516 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 185 transitions. [2024-11-10 19:05:41,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:41,517 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 185 transitions. [2024-11-10 19:05:41,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-10 19:05:41,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:41,517 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:41,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:41,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-10 19:05:41,721 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:41,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:41,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1074915256, now seen corresponding path program 1 times [2024-11-10 19:05:41,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:41,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35942303] [2024-11-10 19:05:41,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:41,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:41,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1028174709] [2024-11-10 19:05:41,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:41,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:41,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:41,738 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:41,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-10 19:05:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:41,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:05:41,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:42,076 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-10 19:05:42,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:43,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:43,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35942303] [2024-11-10 19:05:43,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:43,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028174709] [2024-11-10 19:05:43,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028174709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:43,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:43,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:05:43,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827652409] [2024-11-10 19:05:43,250 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:43,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:05:43,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:43,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:05:43,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:05:43,251 INFO L87 Difference]: Start difference. First operand 171 states and 185 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:43,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:43,721 INFO L93 Difference]: Finished difference Result 181 states and 197 transitions. [2024-11-10 19:05:43,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 19:05:43,721 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-11-10 19:05:43,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:43,722 INFO L225 Difference]: With dead ends: 181 [2024-11-10 19:05:43,722 INFO L226 Difference]: Without dead ends: 180 [2024-11-10 19:05:43,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:05:43,723 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 183 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:43,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 288 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:43,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-10 19:05:43,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 170. [2024-11-10 19:05:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 133 states have (on average 1.1729323308270676) internal successors, (156), 153 states have internal predecessors, (156), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 184 transitions. [2024-11-10 19:05:43,733 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 184 transitions. Word has length 76 [2024-11-10 19:05:43,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:43,733 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 184 transitions. [2024-11-10 19:05:43,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:43,733 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 184 transitions. [2024-11-10 19:05:43,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 19:05:43,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:43,734 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:43,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-10 19:05:43,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-10 19:05:43,934 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:43,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:43,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1037365450, now seen corresponding path program 1 times [2024-11-10 19:05:43,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:43,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134386198] [2024-11-10 19:05:43,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:43,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:43,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033375064] [2024-11-10 19:05:43,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:43,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:43,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:43,948 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:43,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-10 19:05:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:43,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:05:43,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-10 19:05:44,307 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:44,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:44,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134386198] [2024-11-10 19:05:44,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:44,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033375064] [2024-11-10 19:05:44,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033375064] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:44,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:44,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:05:44,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753269150] [2024-11-10 19:05:44,549 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:44,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:05:44,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:44,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:05:44,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:05:44,550 INFO L87 Difference]: Start difference. First operand 170 states and 184 transitions. Second operand has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:45,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:45,132 INFO L93 Difference]: Finished difference Result 180 states and 196 transitions. [2024-11-10 19:05:45,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:05:45,132 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-11-10 19:05:45,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:45,133 INFO L225 Difference]: With dead ends: 180 [2024-11-10 19:05:45,133 INFO L226 Difference]: Without dead ends: 179 [2024-11-10 19:05:45,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:05:45,134 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 118 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:45,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 373 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:05:45,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-10 19:05:45,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 169. [2024-11-10 19:05:45,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 133 states have (on average 1.1654135338345866) internal successors, (155), 152 states have internal predecessors, (155), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 183 transitions. [2024-11-10 19:05:45,144 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 183 transitions. Word has length 77 [2024-11-10 19:05:45,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:45,144 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 183 transitions. [2024-11-10 19:05:45,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:45,145 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 183 transitions. [2024-11-10 19:05:45,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-10 19:05:45,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:45,145 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:45,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-10 19:05:45,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:45,350 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:45,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:45,350 INFO L85 PathProgramCache]: Analyzing trace with hash 2093557894, now seen corresponding path program 1 times [2024-11-10 19:05:45,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:45,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616028521] [2024-11-10 19:05:45,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:45,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:45,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1286750908] [2024-11-10 19:05:45,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:45,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:45,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:45,368 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:45,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-10 19:05:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:45,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:05:45,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:45,720 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-10 19:05:45,720 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:46,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:46,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616028521] [2024-11-10 19:05:46,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:46,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286750908] [2024-11-10 19:05:46,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286750908] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:46,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:46,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:05:46,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190445873] [2024-11-10 19:05:46,941 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:46,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:05:46,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:46,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:05:46,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:05:46,942 INFO L87 Difference]: Start difference. First operand 169 states and 183 transitions. Second operand has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:47,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:47,412 INFO L93 Difference]: Finished difference Result 179 states and 195 transitions. [2024-11-10 19:05:47,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:05:47,413 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 78 [2024-11-10 19:05:47,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:47,414 INFO L225 Difference]: With dead ends: 179 [2024-11-10 19:05:47,414 INFO L226 Difference]: Without dead ends: 178 [2024-11-10 19:05:47,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:05:47,414 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 153 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:47,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 337 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:47,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-10 19:05:47,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 168. [2024-11-10 19:05:47,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 133 states have (on average 1.1578947368421053) internal successors, (154), 151 states have internal predecessors, (154), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:47,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 182 transitions. [2024-11-10 19:05:47,424 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 182 transitions. Word has length 78 [2024-11-10 19:05:47,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:47,424 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 182 transitions. [2024-11-10 19:05:47,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:47,425 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 182 transitions. [2024-11-10 19:05:47,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-10 19:05:47,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:47,425 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:47,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:47,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:47,626 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:47,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:47,626 INFO L85 PathProgramCache]: Analyzing trace with hash 475785288, now seen corresponding path program 1 times [2024-11-10 19:05:47,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:47,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473580678] [2024-11-10 19:05:47,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:47,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:47,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1762164135] [2024-11-10 19:05:47,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:47,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:47,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:47,641 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:47,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-10 19:05:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:47,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:05:47,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:47,983 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:48,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:48,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473580678] [2024-11-10 19:05:48,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:48,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762164135] [2024-11-10 19:05:48,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762164135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:48,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:48,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:05:48,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859872581] [2024-11-10 19:05:48,266 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:48,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:05:48,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:48,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:05:48,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:05:48,267 INFO L87 Difference]: Start difference. First operand 168 states and 182 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-10 19:05:49,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:49,046 INFO L93 Difference]: Finished difference Result 181 states and 196 transitions. [2024-11-10 19:05:49,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:05:49,047 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 79 [2024-11-10 19:05:49,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:49,047 INFO L225 Difference]: With dead ends: 181 [2024-11-10 19:05:49,047 INFO L226 Difference]: Without dead ends: 179 [2024-11-10 19:05:49,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:05:49,048 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 127 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:49,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 411 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 19:05:49,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-10 19:05:49,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 167. [2024-11-10 19:05:49,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 133 states have (on average 1.1428571428571428) internal successors, (152), 150 states have internal predecessors, (152), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:49,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 180 transitions. [2024-11-10 19:05:49,069 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 180 transitions. Word has length 79 [2024-11-10 19:05:49,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:49,073 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 180 transitions. [2024-11-10 19:05:49,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-10 19:05:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 180 transitions. [2024-11-10 19:05:49,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-10 19:05:49,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:49,074 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:49,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-10 19:05:49,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-10 19:05:49,275 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:49,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:49,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1864442052, now seen corresponding path program 1 times [2024-11-10 19:05:49,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:49,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765267396] [2024-11-10 19:05:49,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:49,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:49,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1253267202] [2024-11-10 19:05:49,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:49,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:49,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:49,294 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:49,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-10 19:05:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:49,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 19:05:49,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-10 19:05:49,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:49,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:49,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765267396] [2024-11-10 19:05:49,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:49,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253267202] [2024-11-10 19:05:49,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253267202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:49,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:49,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:05:49,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135280854] [2024-11-10 19:05:49,882 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:49,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:05:49,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:49,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:05:49,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:05:49,883 INFO L87 Difference]: Start difference. First operand 167 states and 180 transitions. Second operand has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:50,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:50,920 INFO L93 Difference]: Finished difference Result 177 states and 192 transitions. [2024-11-10 19:05:50,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:05:50,920 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 80 [2024-11-10 19:05:50,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:50,921 INFO L225 Difference]: With dead ends: 177 [2024-11-10 19:05:50,921 INFO L226 Difference]: Without dead ends: 176 [2024-11-10 19:05:50,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-10 19:05:50,922 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 124 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:50,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 430 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 19:05:50,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-10 19:05:50,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 166. [2024-11-10 19:05:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 133 states have (on average 1.1353383458646618) internal successors, (151), 149 states have internal predecessors, (151), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 179 transitions. [2024-11-10 19:05:50,943 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 179 transitions. Word has length 80 [2024-11-10 19:05:50,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:50,945 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 179 transitions. [2024-11-10 19:05:50,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.555555555555555) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:50,946 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 179 transitions. [2024-11-10 19:05:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-10 19:05:50,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:50,946 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:50,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-10 19:05:51,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-10 19:05:51,147 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:51,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:51,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1059709784, now seen corresponding path program 1 times [2024-11-10 19:05:51,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:51,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492758020] [2024-11-10 19:05:51,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:51,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 19:05:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,267 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-10 19:05:51,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:51,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492758020] [2024-11-10 19:05:51,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492758020] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:51,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278704137] [2024-11-10 19:05:51,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:51,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:51,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:51,271 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:51,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-10 19:05:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:51,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 19:05:51,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:51,798 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:51,798 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:51,924 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:51,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278704137] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:05:51,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:05:51,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2024-11-10 19:05:51,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545992208] [2024-11-10 19:05:51,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:51,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:05:51,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:51,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:05:51,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:05:51,926 INFO L87 Difference]: Start difference. First operand 166 states and 179 transitions. Second operand has 12 states, 11 states have (on average 14.545454545454545) internal successors, (160), 12 states have internal predecessors, (160), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 9 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-10 19:05:52,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:52,870 INFO L93 Difference]: Finished difference Result 178 states and 193 transitions. [2024-11-10 19:05:52,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 19:05:52,870 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.545454545454545) internal successors, (160), 12 states have internal predecessors, (160), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 9 states have call predecessors, (18), 8 states have call successors, (18) Word has length 81 [2024-11-10 19:05:52,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:52,871 INFO L225 Difference]: With dead ends: 178 [2024-11-10 19:05:52,871 INFO L226 Difference]: Without dead ends: 177 [2024-11-10 19:05:52,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2024-11-10 19:05:52,872 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 252 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:52,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 225 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 19:05:52,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-10 19:05:52,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 165. [2024-11-10 19:05:52,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 133 states have (on average 1.1278195488721805) internal successors, (150), 148 states have internal predecessors, (150), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 178 transitions. [2024-11-10 19:05:52,882 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 178 transitions. Word has length 81 [2024-11-10 19:05:52,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:52,882 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 178 transitions. [2024-11-10 19:05:52,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.545454545454545) internal successors, (160), 12 states have internal predecessors, (160), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 9 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-10 19:05:52,882 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 178 transitions. [2024-11-10 19:05:52,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 19:05:52,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:52,883 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:52,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:53,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:53,083 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:53,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:53,084 INFO L85 PathProgramCache]: Analyzing trace with hash 727449858, now seen corresponding path program 1 times [2024-11-10 19:05:53,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:53,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637385985] [2024-11-10 19:05:53,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:53,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 19:05:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-10 19:05:53,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:53,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637385985] [2024-11-10 19:05:53,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637385985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:53,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:53,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 19:05:53,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783764947] [2024-11-10 19:05:53,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:53,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 19:05:53,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:53,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 19:05:53,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 19:05:53,178 INFO L87 Difference]: Start difference. First operand 165 states and 178 transitions. Second operand has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:05:53,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:53,685 INFO L93 Difference]: Finished difference Result 168 states and 181 transitions. [2024-11-10 19:05:53,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:05:53,686 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 82 [2024-11-10 19:05:53,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:53,687 INFO L225 Difference]: With dead ends: 168 [2024-11-10 19:05:53,687 INFO L226 Difference]: Without dead ends: 167 [2024-11-10 19:05:53,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:05:53,687 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 158 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:53,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 288 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:05:53,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-10 19:05:53,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165. [2024-11-10 19:05:53,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 133 states have (on average 1.1203007518796992) internal successors, (149), 148 states have internal predecessors, (149), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 177 transitions. [2024-11-10 19:05:53,697 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 177 transitions. Word has length 82 [2024-11-10 19:05:53,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:53,698 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 177 transitions. [2024-11-10 19:05:53,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 19:05:53,698 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 177 transitions. [2024-11-10 19:05:53,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-10 19:05:53,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:53,699 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:53,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-10 19:05:53,699 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:53,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:53,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1508735056, now seen corresponding path program 1 times [2024-11-10 19:05:53,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:53,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430525195] [2024-11-10 19:05:53,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:53,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 19:05:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:53,787 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-10 19:05:53,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:53,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430525195] [2024-11-10 19:05:53,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430525195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:53,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:05:53,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:05:53,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558665132] [2024-11-10 19:05:53,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:53,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:05:53,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:53,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:05:53,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:05:53,788 INFO L87 Difference]: Start difference. First operand 165 states and 177 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:55,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:55,084 INFO L93 Difference]: Finished difference Result 173 states and 186 transitions. [2024-11-10 19:05:55,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:05:55,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 82 [2024-11-10 19:05:55,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:55,085 INFO L225 Difference]: With dead ends: 173 [2024-11-10 19:05:55,085 INFO L226 Difference]: Without dead ends: 172 [2024-11-10 19:05:55,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 19:05:55,086 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 93 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:55,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 162 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 19:05:55,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-10 19:05:55,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 164. [2024-11-10 19:05:55,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 133 states have (on average 1.112781954887218) internal successors, (148), 147 states have internal predecessors, (148), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:55,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 176 transitions. [2024-11-10 19:05:55,096 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 176 transitions. Word has length 82 [2024-11-10 19:05:55,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:55,096 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 176 transitions. [2024-11-10 19:05:55,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-10 19:05:55,096 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 176 transitions. [2024-11-10 19:05:55,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-10 19:05:55,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:55,097 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:55,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-10 19:05:55,098 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:55,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:55,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1360088875, now seen corresponding path program 1 times [2024-11-10 19:05:55,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:55,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378832924] [2024-11-10 19:05:55,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:55,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:55,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [655905004] [2024-11-10 19:05:55,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:55,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:55,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:55,111 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:55,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-10 19:05:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:55,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:05:55,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-10 19:05:55,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:05:56,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:56,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378832924] [2024-11-10 19:05:56,715 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:05:56,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655905004] [2024-11-10 19:05:56,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655905004] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:56,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:56,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-10 19:05:56,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706914418] [2024-11-10 19:05:56,716 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:05:56,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:05:56,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:56,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:05:56,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2024-11-10 19:05:56,717 INFO L87 Difference]: Start difference. First operand 164 states and 176 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:05:56,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:56,833 INFO L93 Difference]: Finished difference Result 172 states and 185 transitions. [2024-11-10 19:05:56,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:56,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 90 [2024-11-10 19:05:56,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:56,834 INFO L225 Difference]: With dead ends: 172 [2024-11-10 19:05:56,834 INFO L226 Difference]: Without dead ends: 171 [2024-11-10 19:05:56,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2024-11-10 19:05:56,835 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 57 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:56,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 107 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:05:56,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-10 19:05:56,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 163. [2024-11-10 19:05:56,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 133 states have (on average 1.105263157894737) internal successors, (147), 146 states have internal predecessors, (147), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 175 transitions. [2024-11-10 19:05:56,845 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 175 transitions. Word has length 90 [2024-11-10 19:05:56,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:56,845 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 175 transitions. [2024-11-10 19:05:56,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:05:56,845 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 175 transitions. [2024-11-10 19:05:56,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-10 19:05:56,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:56,846 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:56,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-10 19:05:57,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:57,047 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:57,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:57,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1502962847, now seen corresponding path program 1 times [2024-11-10 19:05:57,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:57,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445493788] [2024-11-10 19:05:57,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:57,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:57,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:05:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:57,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:05:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:57,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:05:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:57,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:05:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:57,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:05:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:57,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:05:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:57,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 19:05:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:57,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 19:05:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:57,119 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-10 19:05:57,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:05:57,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445493788] [2024-11-10 19:05:57,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445493788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:05:57,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729014172] [2024-11-10 19:05:57,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:57,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:57,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:57,121 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:57,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-10 19:05:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:57,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:05:57,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:05:57,382 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:05:57,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729014172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:05:57,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:05:57,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-10 19:05:57,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087257996] [2024-11-10 19:05:57,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:05:57,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:05:57,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:05:57,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:05:57,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:05:57,384 INFO L87 Difference]: Start difference. First operand 163 states and 175 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:05:57,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:05:57,500 INFO L93 Difference]: Finished difference Result 166 states and 178 transitions. [2024-11-10 19:05:57,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:05:57,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 92 [2024-11-10 19:05:57,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:05:57,501 INFO L225 Difference]: With dead ends: 166 [2024-11-10 19:05:57,501 INFO L226 Difference]: Without dead ends: 165 [2024-11-10 19:05:57,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 19:05:57,502 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 16 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:05:57,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 100 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:05:57,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-10 19:05:57,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 164. [2024-11-10 19:05:57,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 134 states have (on average 1.1044776119402986) internal successors, (148), 147 states have internal predecessors, (148), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:05:57,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 176 transitions. [2024-11-10 19:05:57,524 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 176 transitions. Word has length 92 [2024-11-10 19:05:57,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:05:57,524 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 176 transitions. [2024-11-10 19:05:57,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:05:57,524 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 176 transitions. [2024-11-10 19:05:57,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-10 19:05:57,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:05:57,525 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:05:57,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-10 19:05:57,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-10 19:05:57,730 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:05:57,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:05:57,730 INFO L85 PathProgramCache]: Analyzing trace with hash -786917836, now seen corresponding path program 1 times [2024-11-10 19:05:57,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:05:57,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561859984] [2024-11-10 19:05:57,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:57,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:05:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:05:57,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [937318958] [2024-11-10 19:05:57,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:05:57,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:05:57,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:05:57,745 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:05:57,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-10 19:05:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:05:57,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:05:57,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:05:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-10 19:05:57,961 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:00,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:00,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561859984] [2024-11-10 19:06:00,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:00,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937318958] [2024-11-10 19:06:00,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937318958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:00,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:00,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-10 19:06:00,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103238624] [2024-11-10 19:06:00,101 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:00,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:06:00,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:00,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:06:00,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2024-11-10 19:06:00,102 INFO L87 Difference]: Start difference. First operand 164 states and 176 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:06:00,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:00,217 INFO L93 Difference]: Finished difference Result 172 states and 184 transitions. [2024-11-10 19:06:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:06:00,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 91 [2024-11-10 19:06:00,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:00,218 INFO L225 Difference]: With dead ends: 172 [2024-11-10 19:06:00,218 INFO L226 Difference]: Without dead ends: 171 [2024-11-10 19:06:00,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2024-11-10 19:06:00,219 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 56 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:00,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 97 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:06:00,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-10 19:06:00,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 163. [2024-11-10 19:06:00,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 134 states have (on average 1.0970149253731343) internal successors, (147), 146 states have internal predecessors, (147), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-10 19:06:00,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 175 transitions. [2024-11-10 19:06:00,229 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 175 transitions. Word has length 91 [2024-11-10 19:06:00,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:00,230 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 175 transitions. [2024-11-10 19:06:00,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-10 19:06:00,230 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 175 transitions. [2024-11-10 19:06:00,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-10 19:06:00,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:00,230 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:00,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:00,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-10 19:06:00,431 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:00,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:00,432 INFO L85 PathProgramCache]: Analyzing trace with hash -652792025, now seen corresponding path program 1 times [2024-11-10 19:06:00,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:00,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838937052] [2024-11-10 19:06:00,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:00,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 19:06:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 19:06:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 19:06:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 19:06:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 19:06:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 19:06:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 19:06:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-10 19:06:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,536 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-10 19:06:00,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:00,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838937052] [2024-11-10 19:06:00,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838937052] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:00,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787831126] [2024-11-10 19:06:00,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:00,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:00,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:00,541 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:00,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-10 19:06:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:00,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:06:00,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:00,788 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-10 19:06:00,788 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:06:00,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787831126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:06:00,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:00,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-10 19:06:00,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140804810] [2024-11-10 19:06:00,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:00,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:06:00,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:00,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:06:00,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:00,790 INFO L87 Difference]: Start difference. First operand 163 states and 175 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:06:00,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:00,915 INFO L93 Difference]: Finished difference Result 165 states and 176 transitions. [2024-11-10 19:06:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:06:00,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 93 [2024-11-10 19:06:00,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:00,916 INFO L225 Difference]: With dead ends: 165 [2024-11-10 19:06:00,916 INFO L226 Difference]: Without dead ends: 100 [2024-11-10 19:06:00,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 19:06:00,917 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 15 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:00,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 91 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:06:00,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-10 19:06:00,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-10 19:06:00,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 77 states have (on average 1.1428571428571428) internal successors, (88), 88 states have internal predecessors, (88), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:06:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 104 transitions. [2024-11-10 19:06:00,924 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 104 transitions. Word has length 93 [2024-11-10 19:06:00,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:00,924 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 104 transitions. [2024-11-10 19:06:00,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 19:06:00,924 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2024-11-10 19:06:00,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-10 19:06:00,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:00,925 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:00,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-10 19:06:01,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-10 19:06:01,129 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:01,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:01,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1375350857, now seen corresponding path program 1 times [2024-11-10 19:06:01,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:01,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244766974] [2024-11-10 19:06:01,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:01,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:01,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1359054080] [2024-11-10 19:06:01,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:01,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:01,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:01,139 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:01,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-10 19:06:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:01,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:06:01,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:01,246 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-10 19:06:01,247 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:06:01,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:01,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244766974] [2024-11-10 19:06:01,247 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:01,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359054080] [2024-11-10 19:06:01,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359054080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:06:01,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:06:01,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 19:06:01,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202675918] [2024-11-10 19:06:01,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:01,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 19:06:01,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:01,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 19:06:01,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:06:01,248 INFO L87 Difference]: Start difference. First operand 100 states and 104 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:06:01,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:01,435 INFO L93 Difference]: Finished difference Result 100 states and 104 transitions. [2024-11-10 19:06:01,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 19:06:01,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 92 [2024-11-10 19:06:01,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:01,436 INFO L225 Difference]: With dead ends: 100 [2024-11-10 19:06:01,436 INFO L226 Difference]: Without dead ends: 98 [2024-11-10 19:06:01,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 19:06:01,437 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 79 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:01,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 61 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:06:01,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-10 19:06:01,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-10 19:06:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 77 states have (on average 1.1168831168831168) internal successors, (86), 86 states have internal predecessors, (86), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:06:01,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 102 transitions. [2024-11-10 19:06:01,443 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 102 transitions. Word has length 92 [2024-11-10 19:06:01,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:01,445 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 102 transitions. [2024-11-10 19:06:01,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:06:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 102 transitions. [2024-11-10 19:06:01,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-10 19:06:01,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:01,446 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:01,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:01,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:01,649 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:01,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:01,650 INFO L85 PathProgramCache]: Analyzing trace with hash -313796398, now seen corresponding path program 1 times [2024-11-10 19:06:01,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:01,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569000204] [2024-11-10 19:06:01,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:01,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:01,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1848332661] [2024-11-10 19:06:01,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:01,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:01,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:01,666 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:01,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-10 19:06:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:01,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 19:06:01,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:01,911 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-10 19:06:01,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:06:01,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:01,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569000204] [2024-11-10 19:06:01,911 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:01,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848332661] [2024-11-10 19:06:01,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848332661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:06:01,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:06:01,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:06:01,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549196005] [2024-11-10 19:06:01,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:06:01,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:06:01,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:01,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:06:01,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:06:01,913 INFO L87 Difference]: Start difference. First operand 98 states and 102 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:06:01,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:01,962 INFO L93 Difference]: Finished difference Result 98 states and 102 transitions. [2024-11-10 19:06:01,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:06:01,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 93 [2024-11-10 19:06:01,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:01,963 INFO L225 Difference]: With dead ends: 98 [2024-11-10 19:06:01,963 INFO L226 Difference]: Without dead ends: 96 [2024-11-10 19:06:01,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:06:01,963 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 12 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:01,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 61 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 19:06:01,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-10 19:06:01,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-10 19:06:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 77 states have (on average 1.0909090909090908) internal successors, (84), 84 states have internal predecessors, (84), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:06:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 100 transitions. [2024-11-10 19:06:01,969 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 100 transitions. Word has length 93 [2024-11-10 19:06:01,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:01,969 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 100 transitions. [2024-11-10 19:06:01,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-10 19:06:01,970 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 100 transitions. [2024-11-10 19:06:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-10 19:06:01,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:01,970 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:01,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:02,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-10 19:06:02,171 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:02,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:02,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1278016, now seen corresponding path program 1 times [2024-11-10 19:06:02,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:02,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273634777] [2024-11-10 19:06:02,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:02,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:02,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1963897381] [2024-11-10 19:06:02,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:02,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:02,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:02,184 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:02,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-10 19:06:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:02,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:06:02,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:02,654 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-10 19:06:02,655 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:02,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:02,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273634777] [2024-11-10 19:06:02,815 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:02,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963897381] [2024-11-10 19:06:02,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963897381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:02,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:02,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:06:02,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913653226] [2024-11-10 19:06:02,816 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:02,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:06:02,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:02,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:06:02,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:06:02,818 INFO L87 Difference]: Start difference. First operand 96 states and 100 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:03,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:03,026 INFO L93 Difference]: Finished difference Result 96 states and 100 transitions. [2024-11-10 19:06:03,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:06:03,026 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 101 [2024-11-10 19:06:03,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:03,027 INFO L225 Difference]: With dead ends: 96 [2024-11-10 19:06:03,027 INFO L226 Difference]: Without dead ends: 95 [2024-11-10 19:06:03,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:06:03,027 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 35 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:03,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 169 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:06:03,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-10 19:06:03,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-10 19:06:03,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 77 states have (on average 1.077922077922078) internal successors, (83), 83 states have internal predecessors, (83), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:06:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 99 transitions. [2024-11-10 19:06:03,033 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 99 transitions. Word has length 101 [2024-11-10 19:06:03,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:03,034 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 99 transitions. [2024-11-10 19:06:03,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 99 transitions. [2024-11-10 19:06:03,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-10 19:06:03,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:03,034 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:03,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:03,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:03,238 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:03,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:03,239 INFO L85 PathProgramCache]: Analyzing trace with hash 39618482, now seen corresponding path program 1 times [2024-11-10 19:06:03,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:03,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228318390] [2024-11-10 19:06:03,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:03,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:03,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1138072292] [2024-11-10 19:06:03,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:03,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:03,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:03,249 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:03,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-10 19:06:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:03,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:06:03,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-10 19:06:03,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:03,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:03,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228318390] [2024-11-10 19:06:03,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:03,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138072292] [2024-11-10 19:06:03,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138072292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:03,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:03,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:06:03,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618292278] [2024-11-10 19:06:03,972 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:03,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:06:03,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:03,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:06:03,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:06:03,973 INFO L87 Difference]: Start difference. First operand 95 states and 99 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:04,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:04,234 INFO L93 Difference]: Finished difference Result 95 states and 99 transitions. [2024-11-10 19:06:04,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:06:04,234 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), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 102 [2024-11-10 19:06:04,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:04,235 INFO L225 Difference]: With dead ends: 95 [2024-11-10 19:06:04,235 INFO L226 Difference]: Without dead ends: 94 [2024-11-10 19:06:04,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:06:04,236 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 50 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:04,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 160 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:06:04,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-10 19:06:04,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-10 19:06:04,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 77 states have (on average 1.0649350649350648) internal successors, (82), 82 states have internal predecessors, (82), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:06:04,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 98 transitions. [2024-11-10 19:06:04,242 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 98 transitions. Word has length 102 [2024-11-10 19:06:04,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:04,242 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 98 transitions. [2024-11-10 19:06:04,242 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), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:04,242 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 98 transitions. [2024-11-10 19:06:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-10 19:06:04,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:04,243 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:04,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-10 19:06:04,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-10 19:06:04,443 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:04,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:04,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1228172926, now seen corresponding path program 1 times [2024-11-10 19:06:04,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:04,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008432293] [2024-11-10 19:06:04,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:04,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:04,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [358608527] [2024-11-10 19:06:04,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:04,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:04,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:04,455 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:04,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-10 19:06:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:04,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 19:06:04,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:05,090 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-10 19:06:05,090 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:07,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:07,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008432293] [2024-11-10 19:06:07,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:07,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358608527] [2024-11-10 19:06:07,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358608527] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:07,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:07,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:06:07,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860861746] [2024-11-10 19:06:07,194 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:07,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:06:07,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:07,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:06:07,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=211, Unknown=1, NotChecked=0, Total=272 [2024-11-10 19:06:07,195 INFO L87 Difference]: Start difference. First operand 94 states and 98 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:07,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:07,428 INFO L93 Difference]: Finished difference Result 94 states and 98 transitions. [2024-11-10 19:06:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:06:07,428 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 103 [2024-11-10 19:06:07,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:07,429 INFO L225 Difference]: With dead ends: 94 [2024-11-10 19:06:07,429 INFO L226 Difference]: Without dead ends: 93 [2024-11-10 19:06:07,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=71, Invalid=234, Unknown=1, NotChecked=0, Total=306 [2024-11-10 19:06:07,429 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 20 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:07,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 143 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:06:07,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-10 19:06:07,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-10 19:06:07,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 77 states have (on average 1.051948051948052) internal successors, (81), 81 states have internal predecessors, (81), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:06:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 97 transitions. [2024-11-10 19:06:07,435 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 97 transitions. Word has length 103 [2024-11-10 19:06:07,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:07,436 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 97 transitions. [2024-11-10 19:06:07,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2024-11-10 19:06:07,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-10 19:06:07,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:07,436 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:07,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:07,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:07,637 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:07,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:07,637 INFO L85 PathProgramCache]: Analyzing trace with hash -581344976, now seen corresponding path program 1 times [2024-11-10 19:06:07,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:07,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717433041] [2024-11-10 19:06:07,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:07,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:07,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [694562631] [2024-11-10 19:06:07,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:07,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:07,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:07,659 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:07,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-10 19:06:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:07,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 19:06:07,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:08,293 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-10 19:06:08,294 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:09,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:09,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717433041] [2024-11-10 19:06:09,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:09,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694562631] [2024-11-10 19:06:09,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694562631] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:09,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:09,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-10 19:06:09,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537952258] [2024-11-10 19:06:09,445 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:09,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 19:06:09,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:09,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 19:06:09,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-10 19:06:09,446 INFO L87 Difference]: Start difference. First operand 93 states and 97 transitions. Second operand has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 10 states have internal predecessors, (73), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:09,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:09,678 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2024-11-10 19:06:09,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 19:06:09,678 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 10 states have internal predecessors, (73), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 104 [2024-11-10 19:06:09,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:09,679 INFO L225 Difference]: With dead ends: 93 [2024-11-10 19:06:09,679 INFO L226 Difference]: Without dead ends: 92 [2024-11-10 19:06:09,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:06:09,681 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 23 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:09,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 124 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:06:09,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-10 19:06:09,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-10 19:06:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 77 states have (on average 1.0389610389610389) internal successors, (80), 80 states have internal predecessors, (80), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:06:09,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 96 transitions. [2024-11-10 19:06:09,688 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 96 transitions. Word has length 104 [2024-11-10 19:06:09,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:09,688 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 96 transitions. [2024-11-10 19:06:09,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 10 states have internal predecessors, (73), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:09,688 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 96 transitions. [2024-11-10 19:06:09,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-10 19:06:09,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:09,691 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:09,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-10 19:06:09,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-10 19:06:09,892 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:09,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:09,892 INFO L85 PathProgramCache]: Analyzing trace with hash -841825092, now seen corresponding path program 1 times [2024-11-10 19:06:09,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:09,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682768918] [2024-11-10 19:06:09,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:09,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:09,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2015582919] [2024-11-10 19:06:09,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:09,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:09,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:09,910 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:09,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-10 19:06:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:09,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-10 19:06:09,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 15 proven. 14 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 19:06:10,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:10,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:10,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682768918] [2024-11-10 19:06:10,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:10,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015582919] [2024-11-10 19:06:10,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015582919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:10,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:10,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:06:10,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628906930] [2024-11-10 19:06:10,584 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:10,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:06:10,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:10,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:06:10,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:06:10,586 INFO L87 Difference]: Start difference. First operand 92 states and 96 transitions. Second operand has 11 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:10,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:10,808 INFO L93 Difference]: Finished difference Result 96 states and 100 transitions. [2024-11-10 19:06:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:06:10,809 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 105 [2024-11-10 19:06:10,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:10,809 INFO L225 Difference]: With dead ends: 96 [2024-11-10 19:06:10,809 INFO L226 Difference]: Without dead ends: 95 [2024-11-10 19:06:10,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:06:10,810 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 26 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:10,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 178 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:06:10,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-10 19:06:10,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2024-11-10 19:06:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 77 states have (on average 1.025974025974026) internal successors, (79), 79 states have internal predecessors, (79), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:06:10,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 95 transitions. [2024-11-10 19:06:10,818 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 95 transitions. Word has length 105 [2024-11-10 19:06:10,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:10,818 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 95 transitions. [2024-11-10 19:06:10,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2024-11-10 19:06:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-10 19:06:10,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:10,819 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:10,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:11,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-10 19:06:11,024 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:11,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:11,024 INFO L85 PathProgramCache]: Analyzing trace with hash -326774098, now seen corresponding path program 1 times [2024-11-10 19:06:11,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:11,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418660882] [2024-11-10 19:06:11,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:11,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:11,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [175672104] [2024-11-10 19:06:11,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:11,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:11,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:11,034 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:11,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-10 19:06:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:11,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 19:06:11,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:11,400 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-10 19:06:11,400 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:11,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:11,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418660882] [2024-11-10 19:06:11,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:11,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175672104] [2024-11-10 19:06:11,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175672104] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:06:11,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:06:11,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-10 19:06:11,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935264099] [2024-11-10 19:06:11,791 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:11,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 19:06:11,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:11,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 19:06:11,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-10 19:06:11,792 INFO L87 Difference]: Start difference. First operand 91 states and 95 transitions. Second operand has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:12,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:12,437 INFO L93 Difference]: Finished difference Result 91 states and 95 transitions. [2024-11-10 19:06:12,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:06:12,437 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 106 [2024-11-10 19:06:12,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:12,438 INFO L225 Difference]: With dead ends: 91 [2024-11-10 19:06:12,438 INFO L226 Difference]: Without dead ends: 88 [2024-11-10 19:06:12,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-10 19:06:12,438 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 17 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:12,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 200 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 19:06:12,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-10 19:06:12,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-10 19:06:12,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 76 states have (on average 1.0) internal successors, (76), 76 states have internal predecessors, (76), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-10 19:06:12,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2024-11-10 19:06:12,444 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 106 [2024-11-10 19:06:12,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:12,445 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2024-11-10 19:06:12,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-10 19:06:12,445 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2024-11-10 19:06:12,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 19:06:12,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:06:12,446 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:12,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:12,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-10 19:06:12,646 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-10 19:06:12,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:06:12,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1540062470, now seen corresponding path program 1 times [2024-11-10 19:06:12,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:06:12,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115992118] [2024-11-10 19:06:12,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:12,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:06:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 19:06:12,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [916283160] [2024-11-10 19:06:12,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:06:12,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:06:12,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:06:12,661 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 19:06:12,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-10 19:06:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:06:12,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:06:12,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:06:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-10 19:06:13,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:06:13,912 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-10 19:06:13,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:06:13,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115992118] [2024-11-10 19:06:13,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-10 19:06:13,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916283160] [2024-11-10 19:06:13,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916283160] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:06:13,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 19:06:13,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2024-11-10 19:06:13,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664693143] [2024-11-10 19:06:13,913 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 19:06:13,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 19:06:13,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:06:13,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 19:06:13,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-10 19:06:13,914 INFO L87 Difference]: Start difference. First operand 88 states and 92 transitions. Second operand has 14 states, 13 states have (on average 11.0) internal successors, (143), 14 states have internal predecessors, (143), 7 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-10 19:06:14,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:06:14,184 INFO L93 Difference]: Finished difference Result 90 states and 94 transitions. [2024-11-10 19:06:14,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 19:06:14,184 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.0) internal successors, (143), 14 states have internal predecessors, (143), 7 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 107 [2024-11-10 19:06:14,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:06:14,185 INFO L225 Difference]: With dead ends: 90 [2024-11-10 19:06:14,185 INFO L226 Difference]: Without dead ends: 0 [2024-11-10 19:06:14,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-10 19:06:14,185 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 61 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 19:06:14,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 248 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 19:06:14,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-10 19:06:14,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-10 19:06:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 19:06:14,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-10 19:06:14,186 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 107 [2024-11-10 19:06:14,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:06:14,186 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 19:06:14,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.0) internal successors, (143), 14 states have internal predecessors, (143), 7 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-10 19:06:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-10 19:06:14,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-10 19:06:14,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 58 remaining) [2024-11-10 19:06:14,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 58 remaining) [2024-11-10 19:06:14,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 58 remaining) [2024-11-10 19:06:14,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 58 remaining) [2024-11-10 19:06:14,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 58 remaining) [2024-11-10 19:06:14,189 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 58 remaining) [2024-11-10 19:06:14,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 58 remaining) [2024-11-10 19:06:14,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 58 remaining) [2024-11-10 19:06:14,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 58 remaining) [2024-11-10 19:06:14,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 58 remaining) [2024-11-10 19:06:14,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 58 remaining) [2024-11-10 19:06:14,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 58 remaining) [2024-11-10 19:06:14,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 58 remaining) [2024-11-10 19:06:14,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 58 remaining) [2024-11-10 19:06:14,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 58 remaining) [2024-11-10 19:06:14,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 58 remaining) [2024-11-10 19:06:14,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 58 remaining) [2024-11-10 19:06:14,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 58 remaining) [2024-11-10 19:06:14,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 58 remaining) [2024-11-10 19:06:14,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 58 remaining) [2024-11-10 19:06:14,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 58 remaining) [2024-11-10 19:06:14,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 58 remaining) [2024-11-10 19:06:14,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 58 remaining) [2024-11-10 19:06:14,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 58 remaining) [2024-11-10 19:06:14,191 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 58 remaining) [2024-11-10 19:06:14,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 58 remaining) [2024-11-10 19:06:14,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 58 remaining) [2024-11-10 19:06:14,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 58 remaining) [2024-11-10 19:06:14,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 58 remaining) [2024-11-10 19:06:14,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 58 remaining) [2024-11-10 19:06:14,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 58 remaining) [2024-11-10 19:06:14,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 58 remaining) [2024-11-10 19:06:14,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 58 remaining) [2024-11-10 19:06:14,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 58 remaining) [2024-11-10 19:06:14,192 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 58 remaining) [2024-11-10 19:06:14,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 58 remaining) [2024-11-10 19:06:14,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 58 remaining) [2024-11-10 19:06:14,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 58 remaining) [2024-11-10 19:06:14,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 58 remaining) [2024-11-10 19:06:14,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 58 remaining) [2024-11-10 19:06:14,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 58 remaining) [2024-11-10 19:06:14,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 58 remaining) [2024-11-10 19:06:14,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 58 remaining) [2024-11-10 19:06:14,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 58 remaining) [2024-11-10 19:06:14,193 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 58 remaining) [2024-11-10 19:06:14,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 58 remaining) [2024-11-10 19:06:14,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 58 remaining) [2024-11-10 19:06:14,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 58 remaining) [2024-11-10 19:06:14,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 58 remaining) [2024-11-10 19:06:14,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 58 remaining) [2024-11-10 19:06:14,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 58 remaining) [2024-11-10 19:06:14,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 58 remaining) [2024-11-10 19:06:14,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 58 remaining) [2024-11-10 19:06:14,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 58 remaining) [2024-11-10 19:06:14,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 58 remaining) [2024-11-10 19:06:14,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 58 remaining) [2024-11-10 19:06:14,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 58 remaining) [2024-11-10 19:06:14,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 58 remaining) [2024-11-10 19:06:14,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-10 19:06:14,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-10 19:06:14,401 INFO L407 BasicCegarLoop]: Path program 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:06:14,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-10 19:06:38,375 WARN L286 SmtUtils]: Spent 23.95s on a formula simplification. DAG size of input: 221 DAG size of output: 140 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-10 19:06:44,078 WARN L286 SmtUtils]: Spent 5.70s on a formula simplification. DAG size of input: 202 DAG size of output: 132 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-10 19:06:45,133 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 19:06:45,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:06:45 BoogieIcfgContainer [2024-11-10 19:06:45,164 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 19:06:45,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 19:06:45,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 19:06:45,165 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 19:06:45,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:05:17" (3/4) ... [2024-11-10 19:06:45,167 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 19:06:45,169 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-10 19:06:45,169 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-10 19:06:45,175 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-10 19:06:45,175 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-10 19:06:45,176 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 19:06:45,176 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 19:06:45,254 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 19:06:45,254 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 19:06:45,254 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 19:06:45,254 INFO L158 Benchmark]: Toolchain (without parser) took 88100.07ms. Allocated memory was 130.0MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 61.4MB in the beginning and 852.1MB in the end (delta: -790.7MB). Peak memory consumption was 324.9MB. Max. memory is 16.1GB. [2024-11-10 19:06:45,254 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:06:45,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.47ms. Allocated memory is still 232.8MB. Free memory was 204.9MB in the beginning and 197.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-10 19:06:45,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.87ms. Allocated memory is still 232.8MB. Free memory was 197.5MB in the beginning and 195.5MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 19:06:45,255 INFO L158 Benchmark]: Boogie Preprocessor took 27.98ms. Allocated memory is still 232.8MB. Free memory was 195.5MB in the beginning and 194.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 19:06:45,255 INFO L158 Benchmark]: IcfgBuilder took 516.76ms. Allocated memory is still 232.8MB. Free memory was 194.5MB in the beginning and 171.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 19:06:45,255 INFO L158 Benchmark]: TraceAbstraction took 87166.18ms. Allocated memory was 232.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 170.3MB in the beginning and 858.4MB in the end (delta: -688.1MB). Peak memory consumption was 714.8MB. Max. memory is 16.1GB. [2024-11-10 19:06:45,255 INFO L158 Benchmark]: Witness Printer took 89.44ms. Allocated memory is still 1.2GB. Free memory was 858.4MB in the beginning and 852.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 19:06:45,256 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 130.0MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.47ms. Allocated memory is still 232.8MB. Free memory was 204.9MB in the beginning and 197.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.87ms. Allocated memory is still 232.8MB. Free memory was 197.5MB in the beginning and 195.5MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.98ms. Allocated memory is still 232.8MB. Free memory was 195.5MB in the beginning and 194.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 516.76ms. Allocated memory is still 232.8MB. Free memory was 194.5MB in the beginning and 171.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 87166.18ms. Allocated memory was 232.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 170.3MB in the beginning and 858.4MB in the end (delta: -688.1MB). Peak memory consumption was 714.8MB. Max. memory is 16.1GB. * Witness Printer took 89.44ms. Allocated memory is still 1.2GB. Free memory was 858.4MB in the beginning and 852.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 153 locations, 58 error locations. Started 1 CEGAR loops. OverallTime: 56.4s, OverallIterations: 49, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7848 SdHoareTripleChecker+Valid, 20.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7672 mSDsluCounter, 12266 SdHoareTripleChecker+Invalid, 18.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7846 mSDsCounter, 488 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14646 IncrementalHoareTripleChecker+Invalid, 15134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 488 mSolverCounterUnsat, 4420 mSDtfsCounter, 14646 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3930 GetRequests, 3523 SyntacticMatches, 3 SemanticMatches, 404 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1629 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=605occurred in iteration=25, InterpolantAutomatonStates: 341, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 49 MinimizatonAttempts, 2205 StatesRemovedByMinimization, 36 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 6001 NumberOfCodeBlocks, 6001 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 4432 ConstructedInterpolants, 0 QuantifiedInterpolants, 28032 SizeOfPredicates, 66 NumberOfNonLiveVariables, 5291 ConjunctsInSsa, 364 ConjunctsInUnsatCore, 66 InterpolantComputations, 29 PerfectInterpolantSequences, 1766/1960 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 58 specifications checked. All of them hold - InvariantResult [Line: 34]: Location Invariant Derived location invariant: null - ProcedureContractResult [Line: 7]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (counter == 0) Ensures: (((cond != 0) && (counter == 0)) && (counter == \old(counter))) - ProcedureContractResult [Line: 10]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (((cond != 0) || (counter < 1)) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-11-10 19:06:45,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE