./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.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 aeeaf8ddcaaadce0bb307be8d4cdfb2d28179f7ce6737573dce6c1be4b061da1 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:10:03,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:10:03,622 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:10:03,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:10:03,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:10:03,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:10:03,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:10:03,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:10:03,660 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:10:03,661 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:10:03,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:10:03,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:10:03,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:10:03,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:10:03,666 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:10:03,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:10:03,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:10:03,667 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:10:03,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:10:03,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:10:03,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:10:03,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:10:03,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:10:03,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:10:03,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:10:03,672 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:10:03,672 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:10:03,672 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:10:03,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:10:03,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:10:03,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:10:03,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:10:03,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:10:03,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:10:03,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:10:03,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:10:03,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:10:03,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:10:03,675 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:10:03,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:10:03,675 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:10:03,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:10:03,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:10:03,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:10:03,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aeeaf8ddcaaadce0bb307be8d4cdfb2d28179f7ce6737573dce6c1be4b061da1 [2024-11-09 12:10:03,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:10:03,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:10:04,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:10:04,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:10:04,002 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:10:04,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c [2024-11-09 12:10:05,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:10:05,566 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:10:05,567 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c [2024-11-09 12:10:05,575 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed703c16/f6394628cb9248eca7c8f7b404762283/FLAG064e5b9a3 [2024-11-09 12:10:05,587 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed703c16/f6394628cb9248eca7c8f7b404762283 [2024-11-09 12:10:05,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:10:05,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:10:05,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:10:05,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:10:05,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:10:05,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:05,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec3489b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05, skipping insertion in model container [2024-11-09 12:10:05,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:05,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:10:05,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:10:05,846 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:10:05,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:10:05,888 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:10:05,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05 WrapperNode [2024-11-09 12:10:05,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:10:05,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:10:05,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:10:05,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:10:05,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:05,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:05,942 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2024-11-09 12:10:05,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:10:05,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:10:05,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:10:05,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:10:05,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:05,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:05,962 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:05,982 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]. [2024-11-09 12:10:05,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:05,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:05,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:05,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:05,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:05,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:06,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:10:06,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:10:06,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:10:06,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:10:06,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05" (1/1) ... [2024-11-09 12:10:06,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:10:06,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:06,041 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) [2024-11-09 12:10:06,043 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 [2024-11-09 12:10:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:10:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:10:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:10:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:10:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:10:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:10:06,160 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:10:06,163 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:10:06,538 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-09 12:10:06,538 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:10:06,567 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:10:06,567 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:10:06,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:10:06 BoogieIcfgContainer [2024-11-09 12:10:06,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:10:06,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:10:06,573 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:10:06,577 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:10:06,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:10:05" (1/3) ... [2024-11-09 12:10:06,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20efbee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:10:06, skipping insertion in model container [2024-11-09 12:10:06,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:10:05" (2/3) ... [2024-11-09 12:10:06,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20efbee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:10:06, skipping insertion in model container [2024-11-09 12:10:06,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:10:06" (3/3) ... [2024-11-09 12:10:06,582 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound100.c [2024-11-09 12:10:06,599 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:10:06,601 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-11-09 12:10:06,675 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:10:06,680 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;@36e0175f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:10:06,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-09 12:10:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 117 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 12:10:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 12:10:06,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:06,689 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 12:10:06,690 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:06,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:06,694 INFO L85 PathProgramCache]: Analyzing trace with hash 928069, now seen corresponding path program 1 times [2024-11-09 12:10:06,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:06,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418354132] [2024-11-09 12:10:06,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:06,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:06,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:10:06,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:06,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418354132] [2024-11-09 12:10:06,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418354132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:06,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:06,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:06,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246874341] [2024-11-09 12:10:06,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:06,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:10:06,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:06,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:10:06,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:10:06,852 INFO L87 Difference]: Start difference. First operand has 125 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 117 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:10:06,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:06,878 INFO L93 Difference]: Finished difference Result 243 states and 269 transitions. [2024-11-09 12:10:06,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:10:06,880 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 12:10:06,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:06,886 INFO L225 Difference]: With dead ends: 243 [2024-11-09 12:10:06,886 INFO L226 Difference]: Without dead ends: 114 [2024-11-09 12:10:06,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:10:06,892 INFO L432 NwaCegarLoop]: 126 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, 126 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 [2024-11-09 12:10:06,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:10:06,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-09 12:10:06,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-09 12:10:06,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.8166666666666667) internal successors, (109), 107 states have internal predecessors, (109), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:10:06,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 119 transitions. [2024-11-09 12:10:06,933 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 119 transitions. Word has length 4 [2024-11-09 12:10:06,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:06,934 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 119 transitions. [2024-11-09 12:10:06,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:10:06,934 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2024-11-09 12:10:06,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 12:10:06,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:06,935 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 12:10:06,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:10:06,935 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:06,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:06,936 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2024-11-09 12:10:06,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:06,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495757150] [2024-11-09 12:10:06,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:06,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:07,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:10:07,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:07,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495757150] [2024-11-09 12:10:07,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495757150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:07,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:07,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:07,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071115767] [2024-11-09 12:10:07,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:07,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:10:07,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:07,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:10:07,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:10:07,016 INFO L87 Difference]: Start difference. First operand 114 states and 119 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:10:07,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:07,060 INFO L93 Difference]: Finished difference Result 114 states and 119 transitions. [2024-11-09 12:10:07,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:10:07,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 12:10:07,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:07,063 INFO L225 Difference]: With dead ends: 114 [2024-11-09 12:10:07,064 INFO L226 Difference]: Without dead ends: 113 [2024-11-09 12:10:07,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:10:07,068 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 117 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:07,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 223 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:10:07,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-09 12:10:07,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-09 12:10:07,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 60 states have (on average 1.8) internal successors, (108), 106 states have internal predecessors, (108), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:10:07,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 118 transitions. [2024-11-09 12:10:07,085 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 118 transitions. Word has length 4 [2024-11-09 12:10:07,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:07,085 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 118 transitions. [2024-11-09 12:10:07,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:10:07,086 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2024-11-09 12:10:07,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 12:10:07,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:07,086 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 12:10:07,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:10:07,087 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:07,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:07,088 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2024-11-09 12:10:07,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:07,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775648508] [2024-11-09 12:10:07,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:07,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:07,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:10:07,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:07,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775648508] [2024-11-09 12:10:07,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775648508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:07,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:07,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:07,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161320233] [2024-11-09 12:10:07,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:07,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:10:07,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:07,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:10:07,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:10:07,164 INFO L87 Difference]: Start difference. First operand 113 states and 118 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-09 12:10:07,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:07,206 INFO L93 Difference]: Finished difference Result 166 states and 172 transitions. [2024-11-09 12:10:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:10:07,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 12:10:07,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:07,208 INFO L225 Difference]: With dead ends: 166 [2024-11-09 12:10:07,209 INFO L226 Difference]: Without dead ends: 117 [2024-11-09 12:10:07,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:10:07,210 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 3 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:07,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 338 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:10:07,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-09 12:10:07,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-09 12:10:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 64 states have (on average 1.75) internal successors, (112), 110 states have internal predecessors, (112), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:10:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 122 transitions. [2024-11-09 12:10:07,222 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 122 transitions. Word has length 5 [2024-11-09 12:10:07,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:07,223 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 122 transitions. [2024-11-09 12:10:07,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-09 12:10:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2024-11-09 12:10:07,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 12:10:07,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:07,224 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:07,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:10:07,224 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:07,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:07,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812487, now seen corresponding path program 1 times [2024-11-09 12:10:07,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:07,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542050387] [2024-11-09 12:10:07,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:07,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:10:07,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:07,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542050387] [2024-11-09 12:10:07,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542050387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:07,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:07,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:07,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242901002] [2024-11-09 12:10:07,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:07,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:10:07,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:07,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:10:07,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:10:07,304 INFO L87 Difference]: Start difference. First operand 117 states and 122 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:10:07,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:07,470 INFO L93 Difference]: Finished difference Result 211 states and 221 transitions. [2024-11-09 12:10:07,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:10:07,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 12:10:07,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:07,472 INFO L225 Difference]: With dead ends: 211 [2024-11-09 12:10:07,476 INFO L226 Difference]: Without dead ends: 191 [2024-11-09 12:10:07,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:10:07,478 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 68 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:07,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 171 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:07,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-09 12:10:07,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 156. [2024-11-09 12:10:07,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 99 states have (on average 1.606060606060606) internal successors, (159), 145 states have internal predecessors, (159), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:10:07,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 177 transitions. [2024-11-09 12:10:07,504 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 177 transitions. Word has length 7 [2024-11-09 12:10:07,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:07,504 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 177 transitions. [2024-11-09 12:10:07,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 12:10:07,505 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 177 transitions. [2024-11-09 12:10:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 12:10:07,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:07,506 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] [2024-11-09 12:10:07,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:10:07,507 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:07,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:07,509 INFO L85 PathProgramCache]: Analyzing trace with hash 323965805, now seen corresponding path program 1 times [2024-11-09 12:10:07,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:07,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407071930] [2024-11-09 12:10:07,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:07,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:07,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [175547183] [2024-11-09 12:10:07,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:07,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:07,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:07,558 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) [2024-11-09 12:10:07,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:10:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:07,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:10:07,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:10:07,704 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:10:07,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:07,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407071930] [2024-11-09 12:10:07,705 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:07,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175547183] [2024-11-09 12:10:07,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175547183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:07,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:07,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:07,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736591196] [2024-11-09 12:10:07,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:07,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:10:07,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:07,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:10:07,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:10:07,712 INFO L87 Difference]: Start difference. First operand 156 states and 177 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-09 12:10:07,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:07,816 INFO L93 Difference]: Finished difference Result 183 states and 205 transitions. [2024-11-09 12:10:07,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:10:07,816 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), 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 28 [2024-11-09 12:10:07,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:07,818 INFO L225 Difference]: With dead ends: 183 [2024-11-09 12:10:07,818 INFO L226 Difference]: Without dead ends: 175 [2024-11-09 12:10:07,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:10:07,820 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 41 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:07,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 166 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:07,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-09 12:10:07,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 167. [2024-11-09 12:10:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 109 states have (on average 1.5596330275229358) internal successors, (170), 155 states have internal predecessors, (170), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2024-11-09 12:10:07,837 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 28 [2024-11-09 12:10:07,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:07,838 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2024-11-09 12:10:07,838 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), 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) [2024-11-09 12:10:07,839 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2024-11-09 12:10:07,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 12:10:07,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:07,840 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:07,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 12:10:08,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:08,045 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:08,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:08,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1453005437, now seen corresponding path program 1 times [2024-11-09 12:10:08,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:08,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855203507] [2024-11-09 12:10:08,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:08,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:10:08,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:08,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855203507] [2024-11-09 12:10:08,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855203507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:08,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:08,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:08,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981150516] [2024-11-09 12:10:08,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:08,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:10:08,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:08,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:10:08,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:10:08,149 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:10:08,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:08,248 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2024-11-09 12:10:08,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:10:08,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-09 12:10:08,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:08,250 INFO L225 Difference]: With dead ends: 183 [2024-11-09 12:10:08,250 INFO L226 Difference]: Without dead ends: 173 [2024-11-09 12:10:08,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:10:08,251 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 38 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:08,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 195 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:08,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-09 12:10:08,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-11-09 12:10:08,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 112 states have (on average 1.4821428571428572) internal successors, (166), 158 states have internal predecessors, (166), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:08,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 186 transitions. [2024-11-09 12:10:08,262 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 186 transitions. Word has length 29 [2024-11-09 12:10:08,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:08,263 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 186 transitions. [2024-11-09 12:10:08,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 12:10:08,263 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2024-11-09 12:10:08,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 12:10:08,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:08,264 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] [2024-11-09 12:10:08,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:10:08,264 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:08,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:08,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1804640113, now seen corresponding path program 1 times [2024-11-09 12:10:08,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:08,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857546094] [2024-11-09 12:10:08,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:08,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:10:08,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:08,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857546094] [2024-11-09 12:10:08,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857546094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:08,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:08,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:10:08,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805019245] [2024-11-09 12:10:08,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:08,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:10:08,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:08,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:10:08,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:10:08,370 INFO L87 Difference]: Start difference. First operand 170 states and 186 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (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) [2024-11-09 12:10:08,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:08,475 INFO L93 Difference]: Finished difference Result 175 states and 191 transitions. [2024-11-09 12:10:08,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:10:08,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (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 32 [2024-11-09 12:10:08,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:08,477 INFO L225 Difference]: With dead ends: 175 [2024-11-09 12:10:08,477 INFO L226 Difference]: Without dead ends: 173 [2024-11-09 12:10:08,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:10:08,479 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 83 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:08,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 186 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:08,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-09 12:10:08,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-11-09 12:10:08,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 112 states have (on average 1.4642857142857142) internal successors, (164), 158 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:08,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 184 transitions. [2024-11-09 12:10:08,491 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 184 transitions. Word has length 32 [2024-11-09 12:10:08,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:08,491 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 184 transitions. [2024-11-09 12:10:08,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (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) [2024-11-09 12:10:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 184 transitions. [2024-11-09 12:10:08,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 12:10:08,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:08,493 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:08,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:10:08,494 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:08,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:08,494 INFO L85 PathProgramCache]: Analyzing trace with hash -360182923, now seen corresponding path program 1 times [2024-11-09 12:10:08,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:08,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935052867] [2024-11-09 12:10:08,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:08,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:10:08,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:08,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935052867] [2024-11-09 12:10:08,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935052867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:08,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:08,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:10:08,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432802872] [2024-11-09 12:10:08,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:08,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:10:08,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:08,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:10:08,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:10:08,607 INFO L87 Difference]: Start difference. First operand 170 states and 184 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-09 12:10:08,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:08,714 INFO L93 Difference]: Finished difference Result 175 states and 185 transitions. [2024-11-09 12:10:08,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:10:08,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 36 [2024-11-09 12:10:08,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:08,716 INFO L225 Difference]: With dead ends: 175 [2024-11-09 12:10:08,716 INFO L226 Difference]: Without dead ends: 147 [2024-11-09 12:10:08,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:10:08,717 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 29 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:08,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 174 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:08,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-09 12:10:08,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-09 12:10:08,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 91 states have (on average 1.5274725274725274) internal successors, (139), 137 states have internal predecessors, (139), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:10:08,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 155 transitions. [2024-11-09 12:10:08,731 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 155 transitions. Word has length 36 [2024-11-09 12:10:08,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:08,732 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 155 transitions. [2024-11-09 12:10:08,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-09 12:10:08,734 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 155 transitions. [2024-11-09 12:10:08,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 12:10:08,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:08,735 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:08,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 12:10:08,735 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:08,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:08,736 INFO L85 PathProgramCache]: Analyzing trace with hash 89880211, now seen corresponding path program 1 times [2024-11-09 12:10:08,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:08,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486998807] [2024-11-09 12:10:08,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:08,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:08,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:08,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486998807] [2024-11-09 12:10:08,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486998807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:08,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:08,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:10:08,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934063677] [2024-11-09 12:10:08,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:08,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:10:08,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:08,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:10:08,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:10:08,902 INFO L87 Difference]: Start difference. First operand 147 states and 155 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:09,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:09,024 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2024-11-09 12:10:09,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:10:09,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-09 12:10:09,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:09,027 INFO L225 Difference]: With dead ends: 150 [2024-11-09 12:10:09,027 INFO L226 Difference]: Without dead ends: 149 [2024-11-09 12:10:09,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:10:09,029 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:09,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 221 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:09,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-09 12:10:09,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2024-11-09 12:10:09,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 138 states have internal predecessors, (140), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:10:09,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2024-11-09 12:10:09,039 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 49 [2024-11-09 12:10:09,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:09,040 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2024-11-09 12:10:09,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:09,040 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2024-11-09 12:10:09,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 12:10:09,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:09,044 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:09,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 12:10:09,047 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:09,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:09,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1508680645, now seen corresponding path program 1 times [2024-11-09 12:10:09,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:09,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981814136] [2024-11-09 12:10:09,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:09,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:09,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:09,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981814136] [2024-11-09 12:10:09,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981814136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:09,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:09,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:10:09,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667013572] [2024-11-09 12:10:09,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:09,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:10:09,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:09,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:10:09,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:10:09,196 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:09,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:09,315 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2024-11-09 12:10:09,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:10:09,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-11-09 12:10:09,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:09,317 INFO L225 Difference]: With dead ends: 150 [2024-11-09 12:10:09,317 INFO L226 Difference]: Without dead ends: 149 [2024-11-09 12:10:09,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:10:09,318 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:09,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:09,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-09 12:10:09,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-09 12:10:09,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 93 states have (on average 1.5161290322580645) internal successors, (141), 139 states have internal predecessors, (141), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:10:09,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 157 transitions. [2024-11-09 12:10:09,329 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 157 transitions. Word has length 50 [2024-11-09 12:10:09,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:09,330 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 157 transitions. [2024-11-09 12:10:09,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2024-11-09 12:10:09,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 12:10:09,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:09,334 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:09,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 12:10:09,335 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:09,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:09,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1727694252, now seen corresponding path program 1 times [2024-11-09 12:10:09,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:09,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949391824] [2024-11-09 12:10:09,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:09,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:09,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:09,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949391824] [2024-11-09 12:10:09,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949391824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:09,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448030520] [2024-11-09 12:10:09,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:09,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:09,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:09,502 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) [2024-11-09 12:10:09,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:10:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:09,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:10:09,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:09,700 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:10:09,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448030520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:09,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:10:09,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 12:10:09,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307549968] [2024-11-09 12:10:09,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:09,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:10:09,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:09,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:10:09,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:10:09,706 INFO L87 Difference]: Start difference. First operand 149 states and 157 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:09,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:09,763 INFO L93 Difference]: Finished difference Result 197 states and 205 transitions. [2024-11-09 12:10:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:10:09,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2024-11-09 12:10:09,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:09,766 INFO L225 Difference]: With dead ends: 197 [2024-11-09 12:10:09,766 INFO L226 Difference]: Without dead ends: 196 [2024-11-09 12:10:09,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:10:09,767 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 77 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:09,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 506 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:10:09,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-09 12:10:09,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 164. [2024-11-09 12:10:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 106 states have (on average 1.528301886792453) internal successors, (162), 152 states have internal predecessors, (162), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:09,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2024-11-09 12:10:09,776 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 53 [2024-11-09 12:10:09,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:09,777 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2024-11-09 12:10:09,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2024-11-09 12:10:09,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 12:10:09,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:09,778 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] [2024-11-09 12:10:09,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:09,979 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,SelfDestructingSolverStorable10 [2024-11-09 12:10:09,979 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:09,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:09,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1838165906, now seen corresponding path program 1 times [2024-11-09 12:10:09,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:09,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500324138] [2024-11-09 12:10:09,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:09,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:10,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:10,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500324138] [2024-11-09 12:10:10,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500324138] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:10,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098145752] [2024-11-09 12:10:10,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:10,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:10,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:10,070 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) [2024-11-09 12:10:10,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:10:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:10:10,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:10,187 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:10,187 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:10:10,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098145752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:10,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:10:10,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 12:10:10,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280754686] [2024-11-09 12:10:10,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:10,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:10:10,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:10,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:10:10,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:10:10,190 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:10,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:10,277 INFO L93 Difference]: Finished difference Result 164 states and 182 transitions. [2024-11-09 12:10:10,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:10:10,277 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2024-11-09 12:10:10,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:10,280 INFO L225 Difference]: With dead ends: 164 [2024-11-09 12:10:10,280 INFO L226 Difference]: Without dead ends: 155 [2024-11-09 12:10:10,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:10:10,281 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 122 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:10,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 127 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:10,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-09 12:10:10,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-09 12:10:10,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 106 states have (on average 1.4056603773584906) internal successors, (149), 143 states have internal predecessors, (149), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:10,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 169 transitions. [2024-11-09 12:10:10,288 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 169 transitions. Word has length 55 [2024-11-09 12:10:10,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:10,289 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 169 transitions. [2024-11-09 12:10:10,289 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 12:10:10,289 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2024-11-09 12:10:10,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 12:10:10,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:10,290 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] [2024-11-09 12:10:10,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 12:10:10,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:10,491 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:10,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:10,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1148568188, now seen corresponding path program 1 times [2024-11-09 12:10:10,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:10,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605634766] [2024-11-09 12:10:10,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:10,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,571 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:10,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:10,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605634766] [2024-11-09 12:10:10,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605634766] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:10,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145564874] [2024-11-09 12:10:10,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:10,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:10,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:10,573 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) [2024-11-09 12:10:10,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:10:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:10,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:10:10,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:10,688 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:10,688 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:10,779 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:10,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145564874] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:10,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:10,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 12:10:10,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055061470] [2024-11-09 12:10:10,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:10,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:10:10,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:10,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:10:10,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:10:10,781 INFO L87 Difference]: Start difference. First operand 155 states and 169 transitions. Second operand has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 12:10:10,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:10,953 INFO L93 Difference]: Finished difference Result 279 states and 330 transitions. [2024-11-09 12:10:10,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:10:10,954 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 56 [2024-11-09 12:10:10,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:10,957 INFO L225 Difference]: With dead ends: 279 [2024-11-09 12:10:10,957 INFO L226 Difference]: Without dead ends: 270 [2024-11-09 12:10:10,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:10:10,958 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 239 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:10,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 273 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:10,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-09 12:10:10,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 146. [2024-11-09 12:10:10,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 134 states have internal predecessors, (136), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 156 transitions. [2024-11-09 12:10:10,980 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 156 transitions. Word has length 56 [2024-11-09 12:10:10,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:10,980 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 156 transitions. [2024-11-09 12:10:10,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-09 12:10:10,980 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2024-11-09 12:10:10,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 12:10:10,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:10,981 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:10,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:11,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:11,182 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:11,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:11,183 INFO L85 PathProgramCache]: Analyzing trace with hash -105881028, now seen corresponding path program 1 times [2024-11-09 12:10:11,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:11,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245980364] [2024-11-09 12:10:11,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:11,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:11,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696840565] [2024-11-09 12:10:11,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:11,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:11,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:11,204 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) [2024-11-09 12:10:11,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:10:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:11,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:10:11,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:10:11,325 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:10:11,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:11,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245980364] [2024-11-09 12:10:11,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:11,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696840565] [2024-11-09 12:10:11,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696840565] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:11,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:11,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-09 12:10:11,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531172166] [2024-11-09 12:10:11,462 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:11,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:10:11,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:11,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:10:11,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:10:11,464 INFO L87 Difference]: Start difference. First operand 146 states and 156 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 12:10:11,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:11,664 INFO L93 Difference]: Finished difference Result 370 states and 405 transitions. [2024-11-09 12:10:11,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:10:11,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 69 [2024-11-09 12:10:11,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:11,667 INFO L225 Difference]: With dead ends: 370 [2024-11-09 12:10:11,667 INFO L226 Difference]: Without dead ends: 368 [2024-11-09 12:10:11,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:10:11,668 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 346 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:11,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 331 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:10:11,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-09 12:10:11,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 244. [2024-11-09 12:10:11,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 196 states have (on average 1.3265306122448979) internal successors, (260), 224 states have internal predecessors, (260), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 12:10:11,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 296 transitions. [2024-11-09 12:10:11,687 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 296 transitions. Word has length 69 [2024-11-09 12:10:11,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:11,687 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 296 transitions. [2024-11-09 12:10:11,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 12:10:11,688 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 296 transitions. [2024-11-09 12:10:11,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 12:10:11,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:11,689 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:11,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 12:10:11,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 12:10:11,890 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:11,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:11,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1823839910, now seen corresponding path program 1 times [2024-11-09 12:10:11,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:11,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11129420] [2024-11-09 12:10:11,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:11,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:11,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [212501901] [2024-11-09 12:10:11,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:11,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:11,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:11,907 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) [2024-11-09 12:10:11,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:10:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:11,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:10:11,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:12,037 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:12,165 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:12,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:12,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11129420] [2024-11-09 12:10:12,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:12,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212501901] [2024-11-09 12:10:12,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212501901] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:12,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:12,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-09 12:10:12,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482350811] [2024-11-09 12:10:12,167 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:12,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:10:12,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:12,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:10:12,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:10:12,169 INFO L87 Difference]: Start difference. First operand 244 states and 296 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 12:10:12,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:12,411 INFO L93 Difference]: Finished difference Result 332 states and 406 transitions. [2024-11-09 12:10:12,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:10:12,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 76 [2024-11-09 12:10:12,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:12,413 INFO L225 Difference]: With dead ends: 332 [2024-11-09 12:10:12,413 INFO L226 Difference]: Without dead ends: 324 [2024-11-09 12:10:12,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:10:12,414 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 182 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:12,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 263 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:10:12,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-09 12:10:12,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 244. [2024-11-09 12:10:12,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 200 states have (on average 1.24) internal successors, (248), 222 states have internal predecessors, (248), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 12:10:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 288 transitions. [2024-11-09 12:10:12,430 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 288 transitions. Word has length 76 [2024-11-09 12:10:12,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:12,430 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 288 transitions. [2024-11-09 12:10:12,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-09 12:10:12,431 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 288 transitions. [2024-11-09 12:10:12,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 12:10:12,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:12,432 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:12,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 12:10:12,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 12:10:12,633 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:12,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:12,633 INFO L85 PathProgramCache]: Analyzing trace with hash 704462436, now seen corresponding path program 1 times [2024-11-09 12:10:12,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:12,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201762422] [2024-11-09 12:10:12,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:12,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:12,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:12,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:12,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:12,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:12,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:12,756 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:12,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:12,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201762422] [2024-11-09 12:10:12,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201762422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:12,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039168119] [2024-11-09 12:10:12,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:12,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:12,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:12,759 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) [2024-11-09 12:10:12,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:10:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:12,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:10:12,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:12,999 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:13,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:13,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039168119] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:13,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:13,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-09 12:10:13,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635801759] [2024-11-09 12:10:13,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:13,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:10:13,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:13,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:10:13,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:10:13,130 INFO L87 Difference]: Start difference. First operand 244 states and 288 transitions. Second operand has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 12:10:13,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:13,328 INFO L93 Difference]: Finished difference Result 244 states and 288 transitions. [2024-11-09 12:10:13,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:10:13,329 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 77 [2024-11-09 12:10:13,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:13,330 INFO L225 Difference]: With dead ends: 244 [2024-11-09 12:10:13,331 INFO L226 Difference]: Without dead ends: 241 [2024-11-09 12:10:13,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:10:13,332 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 125 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:13,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 220 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:10:13,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-09 12:10:13,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-11-09 12:10:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 200 states have (on average 1.205) internal successors, (241), 219 states have internal predecessors, (241), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 12:10:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 281 transitions. [2024-11-09 12:10:13,348 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 281 transitions. Word has length 77 [2024-11-09 12:10:13,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:13,349 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 281 transitions. [2024-11-09 12:10:13,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 12:10:13,349 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 281 transitions. [2024-11-09 12:10:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 12:10:13,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:13,350 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:13,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:13,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:13,556 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:13,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:13,557 INFO L85 PathProgramCache]: Analyzing trace with hash 363499112, now seen corresponding path program 1 times [2024-11-09 12:10:13,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:13,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968502366] [2024-11-09 12:10:13,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:13,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,702 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:13,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:13,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968502366] [2024-11-09 12:10:13,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968502366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:13,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969094909] [2024-11-09 12:10:13,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:13,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:13,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:13,705 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) [2024-11-09 12:10:13,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 12:10:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:13,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:10:13,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:13,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:14,029 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:14,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969094909] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:14,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:14,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-09 12:10:14,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586602645] [2024-11-09 12:10:14,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:14,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:10:14,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:14,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:10:14,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:10:14,033 INFO L87 Difference]: Start difference. First operand 241 states and 281 transitions. Second operand has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 12:10:14,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:14,308 INFO L93 Difference]: Finished difference Result 296 states and 346 transitions. [2024-11-09 12:10:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:10:14,309 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 78 [2024-11-09 12:10:14,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:14,311 INFO L225 Difference]: With dead ends: 296 [2024-11-09 12:10:14,311 INFO L226 Difference]: Without dead ends: 287 [2024-11-09 12:10:14,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:10:14,312 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 99 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:14,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 312 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:10:14,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-09 12:10:14,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 251. [2024-11-09 12:10:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 214 states have (on average 1.1214953271028036) internal successors, (240), 227 states have internal predecessors, (240), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 12:10:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 284 transitions. [2024-11-09 12:10:14,328 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 284 transitions. Word has length 78 [2024-11-09 12:10:14,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:14,329 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 284 transitions. [2024-11-09 12:10:14,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-09 12:10:14,329 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 284 transitions. [2024-11-09 12:10:14,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 12:10:14,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:14,330 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:14,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 12:10:14,530 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,SelfDestructingSolverStorable16 [2024-11-09 12:10:14,531 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:14,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:14,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1430298154, now seen corresponding path program 1 times [2024-11-09 12:10:14,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:14,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882612911] [2024-11-09 12:10:14,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:14,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:14,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:14,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882612911] [2024-11-09 12:10:14,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882612911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:14,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439690598] [2024-11-09 12:10:14,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:14,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:14,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:14,660 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) [2024-11-09 12:10:14,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 12:10:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:14,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 12:10:14,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:14,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:10:14,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439690598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:14,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:10:14,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-09 12:10:14,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720691059] [2024-11-09 12:10:14,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:14,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:10:14,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:14,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:10:14,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:10:14,941 INFO L87 Difference]: Start difference. First operand 251 states and 284 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-11-09 12:10:15,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:15,057 INFO L93 Difference]: Finished difference Result 253 states and 286 transitions. [2024-11-09 12:10:15,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:10:15,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 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 80 [2024-11-09 12:10:15,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:15,059 INFO L225 Difference]: With dead ends: 253 [2024-11-09 12:10:15,059 INFO L226 Difference]: Without dead ends: 209 [2024-11-09 12:10:15,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:10:15,060 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 82 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:15,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 151 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:15,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-09 12:10:15,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-09 12:10:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 182 states have (on average 1.0494505494505495) internal successors, (191), 188 states have internal predecessors, (191), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 12:10:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 227 transitions. [2024-11-09 12:10:15,086 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 227 transitions. Word has length 80 [2024-11-09 12:10:15,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:15,086 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 227 transitions. [2024-11-09 12:10:15,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 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) [2024-11-09 12:10:15,087 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 227 transitions. [2024-11-09 12:10:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-09 12:10:15,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:15,088 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-09 12:10:15,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:15,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 12:10:15,293 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:15,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:15,294 INFO L85 PathProgramCache]: Analyzing trace with hash -659854547, now seen corresponding path program 1 times [2024-11-09 12:10:15,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:15,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002148211] [2024-11-09 12:10:15,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:15,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 12:10:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 12:10:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 12:10:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 12:10:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 12:10:15,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:15,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002148211] [2024-11-09 12:10:15,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002148211] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:15,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90517857] [2024-11-09 12:10:15,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:15,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:15,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:15,528 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) [2024-11-09 12:10:15,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 12:10:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:10:15,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:15,968 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 12:10:15,969 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:16,234 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 12:10:16,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90517857] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:16,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:16,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-09 12:10:16,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935989919] [2024-11-09 12:10:16,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:16,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 12:10:16,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:16,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 12:10:16,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-09 12:10:16,238 INFO L87 Difference]: Start difference. First operand 209 states and 227 transitions. Second operand has 20 states, 19 states have (on average 16.0) internal successors, (304), 20 states have internal predecessors, (304), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 12:10:16,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:16,618 INFO L93 Difference]: Finished difference Result 338 states and 378 transitions. [2024-11-09 12:10:16,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:10:16,619 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 16.0) internal successors, (304), 20 states have internal predecessors, (304), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 146 [2024-11-09 12:10:16,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:16,621 INFO L225 Difference]: With dead ends: 338 [2024-11-09 12:10:16,621 INFO L226 Difference]: Without dead ends: 337 [2024-11-09 12:10:16,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-09 12:10:16,622 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 182 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:16,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 335 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:10:16,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-09 12:10:16,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 299. [2024-11-09 12:10:16,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 265 states have (on average 1.0641509433962264) internal successors, (282), 271 states have internal predecessors, (282), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-09 12:10:16,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 332 transitions. [2024-11-09 12:10:16,641 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 332 transitions. Word has length 146 [2024-11-09 12:10:16,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:16,641 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 332 transitions. [2024-11-09 12:10:16,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 16.0) internal successors, (304), 20 states have internal predecessors, (304), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-09 12:10:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 332 transitions. [2024-11-09 12:10:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-09 12:10:16,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:16,644 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-09 12:10:16,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 12:10:16,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:16,848 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:16,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:16,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1615306330, now seen corresponding path program 2 times [2024-11-09 12:10:16,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:16,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187649652] [2024-11-09 12:10:16,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:16,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 12:10:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 12:10:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 12:10:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 12:10:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 12:10:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 12:10:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 12:10:17,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:17,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187649652] [2024-11-09 12:10:17,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187649652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:17,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385279882] [2024-11-09 12:10:17,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:10:17,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:17,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:17,159 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) [2024-11-09 12:10:17,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 12:10:17,236 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:10:17,236 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:17,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:10:17,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:17,640 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 12:10:17,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 12:10:17,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385279882] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:17,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:17,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-09 12:10:17,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376615495] [2024-11-09 12:10:17,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:17,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 12:10:17,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:17,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 12:10:17,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-09 12:10:17,950 INFO L87 Difference]: Start difference. First operand 299 states and 332 transitions. Second operand has 22 states, 21 states have (on average 16.19047619047619) internal successors, (340), 22 states have internal predecessors, (340), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-09 12:10:18,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:18,474 INFO L93 Difference]: Finished difference Result 379 states and 420 transitions. [2024-11-09 12:10:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:10:18,474 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.19047619047619) internal successors, (340), 22 states have internal predecessors, (340), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 174 [2024-11-09 12:10:18,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:18,477 INFO L225 Difference]: With dead ends: 379 [2024-11-09 12:10:18,477 INFO L226 Difference]: Without dead ends: 355 [2024-11-09 12:10:18,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-11-09 12:10:18,478 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 281 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:18,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 506 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:10:18,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-09 12:10:18,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 319. [2024-11-09 12:10:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 283 states have (on average 1.0600706713780919) internal successors, (300), 289 states have internal predecessors, (300), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 12:10:18,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 354 transitions. [2024-11-09 12:10:18,495 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 354 transitions. Word has length 174 [2024-11-09 12:10:18,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:18,495 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 354 transitions. [2024-11-09 12:10:18,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.19047619047619) internal successors, (340), 22 states have internal predecessors, (340), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-09 12:10:18,496 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 354 transitions. [2024-11-09 12:10:18,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-09 12:10:18,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:18,498 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-09 12:10:18,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 12:10:18,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:18,703 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:18,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:18,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1470633713, now seen corresponding path program 2 times [2024-11-09 12:10:18,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:18,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130251497] [2024-11-09 12:10:18,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:18,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:18,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [75830471] [2024-11-09 12:10:18,754 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:10:18,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:18,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:18,759 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) [2024-11-09 12:10:18,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 12:10:18,845 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:10:18,845 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:18,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:10:18,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:19,051 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 12:10:19,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 12:10:19,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:19,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130251497] [2024-11-09 12:10:19,450 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:19,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75830471] [2024-11-09 12:10:19,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75830471] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:19,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:19,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 12:10:19,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206631468] [2024-11-09 12:10:19,451 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:19,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:10:19,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:19,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:10:19,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:10:19,453 INFO L87 Difference]: Start difference. First operand 319 states and 354 transitions. Second operand has 12 states, 11 states have (on average 27.09090909090909) internal successors, (298), 12 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-09 12:10:20,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:20,099 INFO L93 Difference]: Finished difference Result 512 states and 565 transitions. [2024-11-09 12:10:20,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:10:20,100 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.09090909090909) internal successors, (298), 12 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 213 [2024-11-09 12:10:20,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:20,103 INFO L225 Difference]: With dead ends: 512 [2024-11-09 12:10:20,103 INFO L226 Difference]: Without dead ends: 510 [2024-11-09 12:10:20,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:10:20,104 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 348 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:20,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 864 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:10:20,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-09 12:10:20,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 433. [2024-11-09 12:10:20,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 388 states have (on average 1.059278350515464) internal successors, (411), 394 states have internal predecessors, (411), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 12:10:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 483 transitions. [2024-11-09 12:10:20,130 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 483 transitions. Word has length 213 [2024-11-09 12:10:20,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:20,130 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 483 transitions. [2024-11-09 12:10:20,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.09090909090909) internal successors, (298), 12 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-09 12:10:20,130 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 483 transitions. [2024-11-09 12:10:20,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-09 12:10:20,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:20,133 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-09 12:10:20,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:20,337 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,SelfDestructingSolverStorable20 [2024-11-09 12:10:20,338 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:20,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:20,338 INFO L85 PathProgramCache]: Analyzing trace with hash -2136990639, now seen corresponding path program 2 times [2024-11-09 12:10:20,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:20,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801473040] [2024-11-09 12:10:20,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:20,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:20,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733516427] [2024-11-09 12:10:20,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:10:20,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:20,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:20,375 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) [2024-11-09 12:10:20,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 12:10:20,499 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:10:20,499 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:20,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:10:20,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 12:10:20,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 12:10:21,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:21,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801473040] [2024-11-09 12:10:21,081 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:21,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733516427] [2024-11-09 12:10:21,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733516427] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:21,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:21,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 12:10:21,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373776585] [2024-11-09 12:10:21,082 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:21,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:10:21,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:21,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:10:21,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:10:21,085 INFO L87 Difference]: Start difference. First operand 433 states and 483 transitions. Second operand has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-09 12:10:21,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:21,601 INFO L93 Difference]: Finished difference Result 505 states and 563 transitions. [2024-11-09 12:10:21,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 12:10:21,602 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 220 [2024-11-09 12:10:21,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:21,604 INFO L225 Difference]: With dead ends: 505 [2024-11-09 12:10:21,604 INFO L226 Difference]: Without dead ends: 461 [2024-11-09 12:10:21,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:10:21,606 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 344 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:21,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 866 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:10:21,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-09 12:10:21,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 425. [2024-11-09 12:10:21,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 380 states have (on average 1.0394736842105263) internal successors, (395), 386 states have internal predecessors, (395), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 12:10:21,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 467 transitions. [2024-11-09 12:10:21,629 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 467 transitions. Word has length 220 [2024-11-09 12:10:21,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:21,629 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 467 transitions. [2024-11-09 12:10:21,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-09 12:10:21,630 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 467 transitions. [2024-11-09 12:10:21,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-09 12:10:21,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:21,633 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2024-11-09 12:10:21,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:21,837 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,SelfDestructingSolverStorable21 [2024-11-09 12:10:21,838 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:21,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:21,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1242628369, now seen corresponding path program 2 times [2024-11-09 12:10:21,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:21,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711872601] [2024-11-09 12:10:21,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:21,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 12:10:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 12:10:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 12:10:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 12:10:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 12:10:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 12:10:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-09 12:10:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 12:10:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 12:10:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 12:10:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 12:10:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-09 12:10:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 12:10:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-09 12:10:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-09 12:10:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-09 12:10:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 12:10:22,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:22,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711872601] [2024-11-09 12:10:22,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711872601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:22,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276924319] [2024-11-09 12:10:22,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:10:22,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:22,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:22,588 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) [2024-11-09 12:10:22,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 12:10:22,691 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:10:22,691 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:22,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:10:22,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-11-09 12:10:23,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:23,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-11-09 12:10:23,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276924319] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:23,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:23,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 23 [2024-11-09 12:10:23,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360441274] [2024-11-09 12:10:23,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:23,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 12:10:23,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:23,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 12:10:23,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-11-09 12:10:23,506 INFO L87 Difference]: Start difference. First operand 425 states and 467 transitions. Second operand has 24 states, 23 states have (on average 14.26086956521739) internal successors, (328), 24 states have internal predecessors, (328), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-09 12:10:24,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:24,960 INFO L93 Difference]: Finished difference Result 441 states and 485 transitions. [2024-11-09 12:10:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-09 12:10:24,961 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.26086956521739) internal successors, (328), 24 states have internal predecessors, (328), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 338 [2024-11-09 12:10:24,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:24,963 INFO L225 Difference]: With dead ends: 441 [2024-11-09 12:10:24,963 INFO L226 Difference]: Without dead ends: 440 [2024-11-09 12:10:24,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 765 GetRequests, 709 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=511, Invalid=2795, Unknown=0, NotChecked=0, Total=3306 [2024-11-09 12:10:24,965 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 524 mSDsluCounter, 2001 mSDsCounter, 0 mSdLazyCounter, 1982 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 2177 SdHoareTripleChecker+Invalid, 2071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:24,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 2177 Invalid, 2071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1982 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 12:10:24,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-09 12:10:24,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 424. [2024-11-09 12:10:24,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 380 states have (on average 1.0289473684210526) internal successors, (391), 385 states have internal predecessors, (391), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 12:10:24,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 463 transitions. [2024-11-09 12:10:24,991 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 463 transitions. Word has length 338 [2024-11-09 12:10:24,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:24,991 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 463 transitions. [2024-11-09 12:10:24,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.26086956521739) internal successors, (328), 24 states have internal predecessors, (328), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-09 12:10:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 463 transitions. [2024-11-09 12:10:24,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-09 12:10:24,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:24,997 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-09 12:10:25,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:25,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:25,197 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:25,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:25,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1017956802, now seen corresponding path program 3 times [2024-11-09 12:10:25,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:25,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231364855] [2024-11-09 12:10:25,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:25,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-09 12:10:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 12:10:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 12:10:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 12:10:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 12:10:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 12:10:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 12:10:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-09 12:10:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-09 12:10:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-09 12:10:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-09 12:10:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-09 12:10:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-09 12:10:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-09 12:10:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-09 12:10:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-09 12:10:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-09 12:10:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-09 12:10:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-09 12:10:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-09 12:10:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-09 12:10:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-09 12:10:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-09 12:10:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 896 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-09 12:10:25,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:25,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231364855] [2024-11-09 12:10:25,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231364855] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:25,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967309477] [2024-11-09 12:10:25,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:10:25,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:25,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:25,902 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) [2024-11-09 12:10:25,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 12:10:25,961 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 12:10:25,961 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:25,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 12:10:25,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:26,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 126 proven. 176 refuted. 0 times theorem prover too weak. 1606 trivial. 0 not checked. [2024-11-09 12:10:26,483 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:27,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967309477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:27,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:27,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 23 [2024-11-09 12:10:27,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037953613] [2024-11-09 12:10:27,313 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:27,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 12:10:27,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:27,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 12:10:27,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=763, Unknown=0, NotChecked=0, Total=870 [2024-11-09 12:10:27,317 INFO L87 Difference]: Start difference. First operand 424 states and 463 transitions. Second operand has 24 states, 23 states have (on average 13.73913043478261) internal successors, (316), 24 states have internal predecessors, (316), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-09 12:10:30,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:30,726 INFO L93 Difference]: Finished difference Result 426 states and 465 transitions. [2024-11-09 12:10:30,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-09 12:10:30,727 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 13.73913043478261) internal successors, (316), 24 states have internal predecessors, (316), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 366 [2024-11-09 12:10:30,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:30,729 INFO L225 Difference]: With dead ends: 426 [2024-11-09 12:10:30,729 INFO L226 Difference]: Without dead ends: 408 [2024-11-09 12:10:30,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=964, Invalid=4586, Unknown=0, NotChecked=0, Total=5550 [2024-11-09 12:10:30,732 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 557 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 3201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:30,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 1265 Invalid, 3201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-09 12:10:30,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-09 12:10:30,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2024-11-09 12:10:30,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 366 states have (on average 1.010928961748634) internal successors, (370), 369 states have internal predecessors, (370), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 12:10:30,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 438 transitions. [2024-11-09 12:10:30,761 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 438 transitions. Word has length 366 [2024-11-09 12:10:30,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:30,764 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 438 transitions. [2024-11-09 12:10:30,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 13.73913043478261) internal successors, (316), 24 states have internal predecessors, (316), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-09 12:10:30,764 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 438 transitions. [2024-11-09 12:10:30,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-11-09 12:10:30,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:30,774 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-09 12:10:30,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 12:10:30,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:30,975 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:30,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:30,976 INFO L85 PathProgramCache]: Analyzing trace with hash 971010651, now seen corresponding path program 3 times [2024-11-09 12:10:30,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:30,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185359460] [2024-11-09 12:10:30,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:30,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:31,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [702853828] [2024-11-09 12:10:31,061 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:10:31,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:31,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:31,063 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) [2024-11-09 12:10:31,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 12:10:31,137 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-09 12:10:31,137 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:31,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 12:10:31,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:31,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2024-11-09 12:10:31,405 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:10:31,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:31,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185359460] [2024-11-09 12:10:31,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:31,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702853828] [2024-11-09 12:10:31,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702853828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:31,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:31,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 12:10:31,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105848472] [2024-11-09 12:10:31,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:31,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:10:31,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:31,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:10:31,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:10:31,409 INFO L87 Difference]: Start difference. First operand 406 states and 438 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 12:10:31,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:31,916 INFO L93 Difference]: Finished difference Result 408 states and 440 transitions. [2024-11-09 12:10:31,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:10:31,916 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 501 [2024-11-09 12:10:31,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:31,919 INFO L225 Difference]: With dead ends: 408 [2024-11-09 12:10:31,919 INFO L226 Difference]: Without dead ends: 406 [2024-11-09 12:10:31,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:10:31,920 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 113 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:31,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 87 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:10:31,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-09 12:10:31,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 404. [2024-11-09 12:10:31,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 366 states have (on average 1.005464480874317) internal successors, (368), 367 states have internal predecessors, (368), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 12:10:31,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 436 transitions. [2024-11-09 12:10:31,956 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 436 transitions. Word has length 501 [2024-11-09 12:10:31,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:31,957 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 436 transitions. [2024-11-09 12:10:31,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 12:10:31,957 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 436 transitions. [2024-11-09 12:10:31,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2024-11-09 12:10:31,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:31,964 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-09 12:10:31,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 12:10:32,168 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,SelfDestructingSolverStorable24 [2024-11-09 12:10:32,169 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 12:10:32,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:32,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1033368999, now seen corresponding path program 3 times [2024-11-09 12:10:32,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:32,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288268449] [2024-11-09 12:10:32,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:32,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:32,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [689197740] [2024-11-09 12:10:32,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:10:32,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:32,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:32,258 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) [2024-11-09 12:10:32,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 12:10:32,369 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 12:10:32,370 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:32,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 12:10:32,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:32,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 180 proven. 234 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2024-11-09 12:10:32,841 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:37,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:37,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288268449] [2024-11-09 12:10:37,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:37,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689197740] [2024-11-09 12:10:37,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689197740] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:37,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:10:37,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 12:10:37,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023864232] [2024-11-09 12:10:37,542 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:37,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 12:10:37,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:37,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 12:10:37,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=192, Unknown=1, NotChecked=0, Total=240 [2024-11-09 12:10:37,545 INFO L87 Difference]: Start difference. First operand 404 states and 436 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-09 12:10:37,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:37,887 INFO L93 Difference]: Finished difference Result 406 states and 438 transitions. [2024-11-09 12:10:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 12:10:37,888 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 508 [2024-11-09 12:10:37,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:37,889 INFO L225 Difference]: With dead ends: 406 [2024-11-09 12:10:37,889 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 12:10:37,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=124, Invalid=381, Unknown=1, NotChecked=0, Total=506 [2024-11-09 12:10:37,891 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 165 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:37,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 99 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:10:37,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 12:10:37,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 12:10:37,894 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) [2024-11-09 12:10:37,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 12:10:37,894 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 508 [2024-11-09 12:10:37,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:37,894 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 12:10:37,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-09 12:10:37,895 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 12:10:37,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 12:10:37,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2024-11-09 12:10:37,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2024-11-09 12:10:37,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2024-11-09 12:10:37,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2024-11-09 12:10:37,899 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2024-11-09 12:10:37,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2024-11-09 12:10:37,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2024-11-09 12:10:37,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2024-11-09 12:10:37,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2024-11-09 12:10:37,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2024-11-09 12:10:37,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2024-11-09 12:10:37,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2024-11-09 12:10:37,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2024-11-09 12:10:37,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2024-11-09 12:10:37,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2024-11-09 12:10:37,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2024-11-09 12:10:37,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2024-11-09 12:10:37,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2024-11-09 12:10:37,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2024-11-09 12:10:37,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2024-11-09 12:10:37,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2024-11-09 12:10:37,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2024-11-09 12:10:37,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2024-11-09 12:10:37,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2024-11-09 12:10:37,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2024-11-09 12:10:37,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2024-11-09 12:10:37,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2024-11-09 12:10:37,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2024-11-09 12:10:37,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2024-11-09 12:10:37,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2024-11-09 12:10:37,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2024-11-09 12:10:37,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2024-11-09 12:10:37,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2024-11-09 12:10:37,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2024-11-09 12:10:37,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2024-11-09 12:10:37,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2024-11-09 12:10:37,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2024-11-09 12:10:37,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2024-11-09 12:10:37,905 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2024-11-09 12:10:37,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2024-11-09 12:10:37,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2024-11-09 12:10:37,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2024-11-09 12:10:37,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2024-11-09 12:10:37,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2024-11-09 12:10:37,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2024-11-09 12:10:37,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2024-11-09 12:10:37,907 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2024-11-09 12:10:37,907 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2024-11-09 12:10:37,907 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2024-11-09 12:10:37,907 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2024-11-09 12:10:37,907 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2024-11-09 12:10:37,907 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2024-11-09 12:10:37,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 12:10:38,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 12:10:38,111 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:38,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 12:10:41,930 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 12:10:41,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 12:10:41 BoogieIcfgContainer [2024-11-09 12:10:41,959 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 12:10:41,959 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 12:10:41,959 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 12:10:41,959 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 12:10:41,960 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:10:06" (3/4) ... [2024-11-09 12:10:41,962 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 12:10:41,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 12:10:41,973 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 12:10:41,974 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 12:10:41,974 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 12:10:41,974 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 12:10:42,074 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 12:10:42,074 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 12:10:42,074 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 12:10:42,075 INFO L158 Benchmark]: Toolchain (without parser) took 36485.15ms. Allocated memory was 190.8MB in the beginning and 400.6MB in the end (delta: 209.7MB). Free memory was 140.7MB in the beginning and 265.7MB in the end (delta: -125.0MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2024-11-09 12:10:42,075 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 100.7MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 12:10:42,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.07ms. Allocated memory is still 190.8MB. Free memory was 140.7MB in the beginning and 127.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 12:10:42,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.08ms. Allocated memory is still 190.8MB. Free memory was 127.4MB in the beginning and 125.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 12:10:42,076 INFO L158 Benchmark]: Boogie Preprocessor took 53.61ms. Allocated memory is still 190.8MB. Free memory was 125.2MB in the beginning and 123.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 12:10:42,076 INFO L158 Benchmark]: RCFGBuilder took 565.88ms. Allocated memory is still 190.8MB. Free memory was 123.9MB in the beginning and 149.0MB in the end (delta: -25.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 12:10:42,077 INFO L158 Benchmark]: TraceAbstraction took 35385.81ms. Allocated memory was 190.8MB in the beginning and 400.6MB in the end (delta: 209.7MB). Free memory was 148.0MB in the beginning and 272.0MB in the end (delta: -124.0MB). Peak memory consumption was 231.7MB. Max. memory is 16.1GB. [2024-11-09 12:10:42,077 INFO L158 Benchmark]: Witness Printer took 115.23ms. Allocated memory is still 400.6MB. Free memory was 272.0MB in the beginning and 265.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 12:10:42,080 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 100.7MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.07ms. Allocated memory is still 190.8MB. Free memory was 140.7MB in the beginning and 127.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.08ms. Allocated memory is still 190.8MB. Free memory was 127.4MB in the beginning and 125.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.61ms. Allocated memory is still 190.8MB. Free memory was 125.2MB in the beginning and 123.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 565.88ms. Allocated memory is still 190.8MB. Free memory was 123.9MB in the beginning and 149.0MB in the end (delta: -25.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 35385.81ms. Allocated memory was 190.8MB in the beginning and 400.6MB in the end (delta: 209.7MB). Free memory was 148.0MB in the beginning and 272.0MB in the end (delta: -124.0MB). Peak memory consumption was 231.7MB. Max. memory is 16.1GB. * Witness Printer took 115.23ms. Allocated memory is still 400.6MB. Free memory was 272.0MB in the beginning and 265.7MB 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: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 125 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 31.5s, OverallIterations: 26, TraceHistogramMax: 32, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4240 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4166 mSDsluCounter, 10407 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7941 mSDsCounter, 570 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9131 IncrementalHoareTripleChecker+Invalid, 9701 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 570 mSolverCounterUnsat, 2466 mSDtfsCounter, 9131 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4941 GetRequests, 4632 SyntacticMatches, 0 SemanticMatches, 309 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2470 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=433occurred in iteration=21, InterpolantAutomatonStates: 242, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 26 MinimizatonAttempts, 653 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 15.0s InterpolantComputationTime, 6292 NumberOfCodeBlocks, 5093 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 6078 ConstructedInterpolants, 4 QuantifiedInterpolants, 24927 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3120 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 46 InterpolantComputations, 14 PerfectInterpolantSequences, 16894/21251 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 52 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((n <= 2147483647) && (0 <= counter)) && (3 <= t)) && (1 <= a)) && (a <= 4611686018427387903)) && (counter <= 100)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1))) || (((((n <= 2147483647) && (t == 1)) && (counter == 0)) && (a == 0)) && (s == 1))) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (((cond != 0) || (counter < 0)) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-11-09 12:10:42,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE