./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.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 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:30:49,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:30:49,480 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:30:49,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:30:49,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:30:49,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:30:49,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:30:49,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:30:49,522 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:30:49,523 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:30:49,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:30:49,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:30:49,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:30:49,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:30:49,524 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:30:49,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:30:49,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:30:49,526 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:30:49,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:30:49,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:30:49,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:30:49,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:30:49,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:30:49,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:30:49,531 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:30:49,535 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:30:49,535 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:30:49,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:30:49,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:30:49,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:30:49,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:30:49,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:30:49,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:30:49,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:30:49,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:30:49,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:30:49,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:30:49,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:30:49,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:30:49,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:30:49,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:30:49,539 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:30:49,539 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:30:49,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:30:49,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cf0abd1bd1b4ed3cb492af2ceaa5e063719310ace8aba62ab225fe204180938 [2024-11-22 22:30:49,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:30:49,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:30:49,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:30:49,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:30:49,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:30:49,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2024-11-22 22:30:50,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:30:51,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:30:51,103 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2024-11-22 22:30:51,108 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce026ce51/3f2841b096584be3b9eb0742d5376351/FLAG12640ed31 [2024-11-22 22:30:51,523 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce026ce51/3f2841b096584be3b9eb0742d5376351 [2024-11-22 22:30:51,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:30:51,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:30:51,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:30:51,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:30:51,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:30:51,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfc78ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51, skipping insertion in model container [2024-11-22 22:30:51,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:30:51,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:30:51,713 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:30:51,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:30:51,747 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:30:51,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51 WrapperNode [2024-11-22 22:30:51,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:30:51,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:30:51,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:30:51,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:30:51,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,786 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-11-22 22:30:51,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:30:51,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:30:51,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:30:51,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:30:51,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,797 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,810 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]. [2024-11-22 22:30:51,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:30:51,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:30:51,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:30:51,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:30:51,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51" (1/1) ... [2024-11-22 22:30:51,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:30:51,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:51,854 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) [2024-11-22 22:30:51,860 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 [2024-11-22 22:30:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:30:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:30:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:30:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:30:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:30:51,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:30:51,937 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:30:51,939 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:30:52,144 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-22 22:30:52,144 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:30:52,155 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:30:52,156 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 22:30:52,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:30:52 BoogieIcfgContainer [2024-11-22 22:30:52,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:30:52,158 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:30:52,158 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:30:52,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:30:52,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:30:51" (1/3) ... [2024-11-22 22:30:52,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a63db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:30:52, skipping insertion in model container [2024-11-22 22:30:52,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:30:51" (2/3) ... [2024-11-22 22:30:52,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a63db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:30:52, skipping insertion in model container [2024-11-22 22:30:52,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:30:52" (3/3) ... [2024-11-22 22:30:52,164 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound50.c [2024-11-22 22:30:52,178 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:30:52,179 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-22 22:30:52,223 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:30:52,228 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;@3916c8a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:30:52,228 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-11-22 22:30:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:30:52,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 22:30:52,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:52,236 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 22:30:52,237 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:52,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:52,241 INFO L85 PathProgramCache]: Analyzing trace with hash 889508776, now seen corresponding path program 1 times [2024-11-22 22:30:52,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:52,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033343704] [2024-11-22 22:30:52,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:52,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:52,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:52,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:52,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033343704] [2024-11-22 22:30:52,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033343704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:52,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:52,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:30:52,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865642493] [2024-11-22 22:30:52,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:52,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:30:52,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:52,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:30:52,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:30:52,402 INFO L87 Difference]: Start difference. First operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:52,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:52,428 INFO L93 Difference]: Finished difference Result 186 states and 218 transitions. [2024-11-22 22:30:52,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:30:52,430 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-22 22:30:52,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:52,437 INFO L225 Difference]: With dead ends: 186 [2024-11-22 22:30:52,438 INFO L226 Difference]: Without dead ends: 88 [2024-11-22 22:30:52,442 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 [2024-11-22 22:30:52,446 INFO L432 NwaCegarLoop]: 103 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, 103 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 [2024-11-22 22:30:52,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:52,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-22 22:30:52,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-22 22:30:52,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 80 states have internal predecessors, (84), 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) [2024-11-22 22:30:52,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2024-11-22 22:30:52,489 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 6 [2024-11-22 22:30:52,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:52,491 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2024-11-22 22:30:52,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2024-11-22 22:30:52,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 22:30:52,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:52,492 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 22:30:52,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:30:52,493 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:52,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:52,494 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-22 22:30:52,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:52,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295242901] [2024-11-22 22:30:52,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:52,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:52,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:52,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:52,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295242901] [2024-11-22 22:30:52,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295242901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:52,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:52,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:30:52,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896289326] [2024-11-22 22:30:52,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:52,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:52,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:52,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:52,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:52,591 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:52,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:52,647 INFO L93 Difference]: Finished difference Result 126 states and 136 transitions. [2024-11-22 22:30:52,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:52,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-22 22:30:52,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:52,649 INFO L225 Difference]: With dead ends: 126 [2024-11-22 22:30:52,649 INFO L226 Difference]: Without dead ends: 125 [2024-11-22 22:30:52,649 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 [2024-11-22 22:30:52,650 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 39 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:52,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 264 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:52,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-22 22:30:52,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 104. [2024-11-22 22:30:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.75) internal successors, (105), 94 states have internal predecessors, (105), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:30:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2024-11-22 22:30:52,663 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 6 [2024-11-22 22:30:52,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:52,663 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2024-11-22 22:30:52,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:52,663 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2024-11-22 22:30:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-22 22:30:52,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:52,664 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:52,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:30:52,664 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:52,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:52,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-22 22:30:52,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:52,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838606677] [2024-11-22 22:30:52,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:52,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:52,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:52,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838606677] [2024-11-22 22:30:52,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838606677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:52,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:52,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:30:52,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825387755] [2024-11-22 22:30:52,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:52,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:52,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:52,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:52,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:52,734 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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) [2024-11-22 22:30:52,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:52,775 INFO L93 Difference]: Finished difference Result 113 states and 128 transitions. [2024-11-22 22:30:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:30:52,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 [2024-11-22 22:30:52,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:52,777 INFO L225 Difference]: With dead ends: 113 [2024-11-22 22:30:52,777 INFO L226 Difference]: Without dead ends: 104 [2024-11-22 22:30:52,778 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 [2024-11-22 22:30:52,780 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 3 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:52,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 267 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:52,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-22 22:30:52,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-22 22:30:52,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.7166666666666666) internal successors, (103), 94 states have internal predecessors, (103), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:30:52,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2024-11-22 22:30:52,791 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 7 [2024-11-22 22:30:52,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:52,791 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2024-11-22 22:30:52,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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) [2024-11-22 22:30:52,792 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2024-11-22 22:30:52,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-22 22:30:52,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:52,792 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:52,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:30:52,792 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:52,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:52,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-22 22:30:52,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:52,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836642129] [2024-11-22 22:30:52,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:52,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:52,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [222700306] [2024-11-22 22:30:52,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:52,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:52,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:52,812 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) [2024-11-22 22:30:52,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:30:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:52,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:30:52,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:52,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:52,930 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:52,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:52,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836642129] [2024-11-22 22:30:52,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:52,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222700306] [2024-11-22 22:30:52,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222700306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:52,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:52,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:30:52,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800410774] [2024-11-22 22:30:52,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:52,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:30:52,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:52,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:30:52,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:30:52,933 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:52,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:52,990 INFO L93 Difference]: Finished difference Result 119 states and 128 transitions. [2024-11-22 22:30:52,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:30:52,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-22 22:30:52,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:52,991 INFO L225 Difference]: With dead ends: 119 [2024-11-22 22:30:52,991 INFO L226 Difference]: Without dead ends: 117 [2024-11-22 22:30:52,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:30:52,993 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 18 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:52,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 167 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:52,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-22 22:30:53,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 104. [2024-11-22 22:30:53,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.6833333333333333) internal successors, (101), 94 states have internal predecessors, (101), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:30:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2024-11-22 22:30:53,008 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 9 [2024-11-22 22:30:53,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:53,008 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2024-11-22 22:30:53,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:30:53,009 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2024-11-22 22:30:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-22 22:30:53,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:53,012 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:53,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:30:53,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:53,217 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:53,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:53,217 INFO L85 PathProgramCache]: Analyzing trace with hash 2005702327, now seen corresponding path program 1 times [2024-11-22 22:30:53,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:53,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409840791] [2024-11-22 22:30:53,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:53,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:53,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1963260882] [2024-11-22 22:30:53,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:53,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:53,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:53,237 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) [2024-11-22 22:30:53,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:30:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:53,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:30:53,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:53,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:53,297 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:53,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:53,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409840791] [2024-11-22 22:30:53,297 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:53,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963260882] [2024-11-22 22:30:53,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963260882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:53,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:53,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:30:53,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255323771] [2024-11-22 22:30:53,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:53,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:30:53,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:53,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:30:53,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:30:53,299 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:30:53,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:53,353 INFO L93 Difference]: Finished difference Result 160 states and 183 transitions. [2024-11-22 22:30:53,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:30:53,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-22 22:30:53,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:53,354 INFO L225 Difference]: With dead ends: 160 [2024-11-22 22:30:53,355 INFO L226 Difference]: Without dead ends: 154 [2024-11-22 22:30:53,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:30:53,356 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 51 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:53,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 142 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:53,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-22 22:30:53,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 132. [2024-11-22 22:30:53,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 84 states have (on average 1.6904761904761905) internal successors, (142), 117 states have internal predecessors, (142), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-22 22:30:53,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 166 transitions. [2024-11-22 22:30:53,363 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 166 transitions. Word has length 16 [2024-11-22 22:30:53,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:53,363 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 166 transitions. [2024-11-22 22:30:53,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:30:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 166 transitions. [2024-11-22 22:30:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-22 22:30:53,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:53,364 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:53,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:30:53,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:53,569 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:53,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:53,569 INFO L85 PathProgramCache]: Analyzing trace with hash -960377671, now seen corresponding path program 1 times [2024-11-22 22:30:53,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:53,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545482095] [2024-11-22 22:30:53,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:53,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:53,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [92415986] [2024-11-22 22:30:53,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:53,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:53,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:53,584 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) [2024-11-22 22:30:53,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:30:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:53,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:30:53,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:53,681 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:53,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:53,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545482095] [2024-11-22 22:30:53,681 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:53,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92415986] [2024-11-22 22:30:53,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92415986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:53,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:53,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:53,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820240323] [2024-11-22 22:30:53,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:53,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:53,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:53,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:53,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:53,683 INFO L87 Difference]: Start difference. First operand 132 states and 166 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:30:53,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:53,792 INFO L93 Difference]: Finished difference Result 153 states and 173 transitions. [2024-11-22 22:30:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:53,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-22 22:30:53,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:53,794 INFO L225 Difference]: With dead ends: 153 [2024-11-22 22:30:53,794 INFO L226 Difference]: Without dead ends: 150 [2024-11-22 22:30:53,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:53,794 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 182 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:53,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 142 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:53,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-22 22:30:53,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 133. [2024-11-22 22:30:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 85 states have (on average 1.6588235294117648) internal successors, (141), 118 states have internal predecessors, (141), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-22 22:30:53,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 165 transitions. [2024-11-22 22:30:53,813 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 165 transitions. Word has length 18 [2024-11-22 22:30:53,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:53,813 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 165 transitions. [2024-11-22 22:30:53,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:30:53,814 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 165 transitions. [2024-11-22 22:30:53,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-22 22:30:53,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:53,814 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:53,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:30:54,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:54,015 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:54,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:54,016 INFO L85 PathProgramCache]: Analyzing trace with hash 293063337, now seen corresponding path program 1 times [2024-11-22 22:30:54,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:54,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396496356] [2024-11-22 22:30:54,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:54,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:54,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1894006448] [2024-11-22 22:30:54,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:54,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:54,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:54,034 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) [2024-11-22 22:30:54,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:30:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:54,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:30:54,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:54,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:30:54,107 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:54,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:54,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396496356] [2024-11-22 22:30:54,108 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:54,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894006448] [2024-11-22 22:30:54,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894006448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:54,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:54,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:54,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362354724] [2024-11-22 22:30:54,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:54,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:54,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:54,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:54,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:54,109 INFO L87 Difference]: Start difference. First operand 133 states and 165 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:30:54,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:54,197 INFO L93 Difference]: Finished difference Result 153 states and 170 transitions. [2024-11-22 22:30:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:54,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-22 22:30:54,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:54,199 INFO L225 Difference]: With dead ends: 153 [2024-11-22 22:30:54,199 INFO L226 Difference]: Without dead ends: 146 [2024-11-22 22:30:54,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:54,200 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 178 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:54,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 145 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:54,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-22 22:30:54,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2024-11-22 22:30:54,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 82 states have (on average 1.646341463414634) internal successors, (135), 115 states have internal predecessors, (135), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-22 22:30:54,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 159 transitions. [2024-11-22 22:30:54,207 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 159 transitions. Word has length 19 [2024-11-22 22:30:54,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:54,207 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 159 transitions. [2024-11-22 22:30:54,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:30:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 159 transitions. [2024-11-22 22:30:54,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-22 22:30:54,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:54,208 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] [2024-11-22 22:30:54,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 22:30:54,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:54,409 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:54,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:54,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1200878525, now seen corresponding path program 1 times [2024-11-22 22:30:54,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:54,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606223723] [2024-11-22 22:30:54,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:54,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:30:54,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:54,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606223723] [2024-11-22 22:30:54,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606223723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:54,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:54,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:30:54,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85115486] [2024-11-22 22:30:54,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:54,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:30:54,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:54,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:30:54,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:30:54,486 INFO L87 Difference]: Start difference. First operand 130 states and 159 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2024-11-22 22:30:54,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:54,556 INFO L93 Difference]: Finished difference Result 130 states and 159 transitions. [2024-11-22 22:30:54,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:30:54,557 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 27 [2024-11-22 22:30:54,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:54,558 INFO L225 Difference]: With dead ends: 130 [2024-11-22 22:30:54,559 INFO L226 Difference]: Without dead ends: 128 [2024-11-22 22:30:54,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:30:54,560 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 149 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:54,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 247 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:54,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-22 22:30:54,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-22 22:30:54,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 82 states have (on average 1.6097560975609757) internal successors, (132), 113 states have internal predecessors, (132), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-22 22:30:54,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 156 transitions. [2024-11-22 22:30:54,575 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 156 transitions. Word has length 27 [2024-11-22 22:30:54,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:54,575 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 156 transitions. [2024-11-22 22:30:54,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2024-11-22 22:30:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 156 transitions. [2024-11-22 22:30:54,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-22 22:30:54,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:54,576 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] [2024-11-22 22:30:54,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 22:30:54,578 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:54,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:54,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1427471308, now seen corresponding path program 1 times [2024-11-22 22:30:54,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:54,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377168728] [2024-11-22 22:30:54,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:54,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:30:54,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:54,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377168728] [2024-11-22 22:30:54,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377168728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:54,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:54,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:30:54,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819889414] [2024-11-22 22:30:54,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:54,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:30:54,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:54,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:30:54,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:30:54,641 INFO L87 Difference]: Start difference. First operand 128 states and 156 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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) [2024-11-22 22:30:54,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:54,704 INFO L93 Difference]: Finished difference Result 214 states and 252 transitions. [2024-11-22 22:30:54,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:30:54,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 [2024-11-22 22:30:54,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:54,705 INFO L225 Difference]: With dead ends: 214 [2024-11-22 22:30:54,705 INFO L226 Difference]: Without dead ends: 132 [2024-11-22 22:30:54,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:30:54,706 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 13 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:54,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 347 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:54,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-22 22:30:54,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-22 22:30:54,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 86 states have (on average 1.5813953488372092) internal successors, (136), 117 states have internal predecessors, (136), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-22 22:30:54,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 160 transitions. [2024-11-22 22:30:54,712 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 160 transitions. Word has length 28 [2024-11-22 22:30:54,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:54,713 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 160 transitions. [2024-11-22 22:30:54,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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) [2024-11-22 22:30:54,713 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2024-11-22 22:30:54,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 22:30:54,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:54,714 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:54,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 22:30:54,716 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:54,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:54,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1705356810, now seen corresponding path program 1 times [2024-11-22 22:30:54,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:54,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287423200] [2024-11-22 22:30:54,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:54,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:54,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1838830757] [2024-11-22 22:30:54,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:54,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:54,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:54,738 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) [2024-11-22 22:30:54,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:30:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:54,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:30:54,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:54,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:30:54,813 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:54,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:54,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287423200] [2024-11-22 22:30:54,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:54,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838830757] [2024-11-22 22:30:54,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838830757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:54,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:54,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:54,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929513585] [2024-11-22 22:30:54,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:54,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:54,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:54,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:54,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:54,814 INFO L87 Difference]: Start difference. First operand 132 states and 160 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:30:54,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:54,938 INFO L93 Difference]: Finished difference Result 206 states and 277 transitions. [2024-11-22 22:30:54,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:54,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-22 22:30:54,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:54,939 INFO L225 Difference]: With dead ends: 206 [2024-11-22 22:30:54,940 INFO L226 Difference]: Without dead ends: 201 [2024-11-22 22:30:54,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:54,941 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 117 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:54,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 96 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:54,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-22 22:30:54,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 183. [2024-11-22 22:30:54,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 129 states have (on average 1.5891472868217054) internal successors, (205), 160 states have internal predecessors, (205), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 22:30:54,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 245 transitions. [2024-11-22 22:30:54,952 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 245 transitions. Word has length 30 [2024-11-22 22:30:54,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:54,953 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 245 transitions. [2024-11-22 22:30:54,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-22 22:30:54,953 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 245 transitions. [2024-11-22 22:30:54,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-22 22:30:54,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:54,954 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] [2024-11-22 22:30:54,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 22:30:55,154 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,SelfDestructingSolverStorable9 [2024-11-22 22:30:55,155 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:55,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:55,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1326453468, now seen corresponding path program 1 times [2024-11-22 22:30:55,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:55,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200274377] [2024-11-22 22:30:55,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:55,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:55,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [894718927] [2024-11-22 22:30:55,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:55,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:55,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:55,181 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) [2024-11-22 22:30:55,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:30:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:55,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:30:55,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:30:55,255 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:55,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:55,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200274377] [2024-11-22 22:30:55,256 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:55,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894718927] [2024-11-22 22:30:55,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894718927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:55,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:55,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:55,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984185705] [2024-11-22 22:30:55,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:55,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:55,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:55,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:55,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:55,259 INFO L87 Difference]: Start difference. First operand 183 states and 245 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-22 22:30:55,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:55,365 INFO L93 Difference]: Finished difference Result 204 states and 268 transitions. [2024-11-22 22:30:55,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:55,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 31 [2024-11-22 22:30:55,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:55,367 INFO L225 Difference]: With dead ends: 204 [2024-11-22 22:30:55,367 INFO L226 Difference]: Without dead ends: 201 [2024-11-22 22:30:55,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:55,368 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 115 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:55,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 96 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:55,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-22 22:30:55,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 184. [2024-11-22 22:30:55,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 130 states have (on average 1.5538461538461539) internal successors, (202), 161 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 22:30:55,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 242 transitions. [2024-11-22 22:30:55,381 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 242 transitions. Word has length 31 [2024-11-22 22:30:55,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:55,381 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 242 transitions. [2024-11-22 22:30:55,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-22 22:30:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 242 transitions. [2024-11-22 22:30:55,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:30:55,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:55,382 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:55,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 22:30:55,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:55,583 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:55,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:55,583 INFO L85 PathProgramCache]: Analyzing trace with hash 591737897, now seen corresponding path program 1 times [2024-11-22 22:30:55,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:55,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621259838] [2024-11-22 22:30:55,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:55,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:55,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:55,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621259838] [2024-11-22 22:30:55,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621259838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:55,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:55,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:55,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704793987] [2024-11-22 22:30:55,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:55,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:55,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:55,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:55,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:55,640 INFO L87 Difference]: Start difference. First operand 184 states and 242 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (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) [2024-11-22 22:30:55,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:55,779 INFO L93 Difference]: Finished difference Result 219 states and 271 transitions. [2024-11-22 22:30:55,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:30:55,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (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 51 [2024-11-22 22:30:55,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:55,781 INFO L225 Difference]: With dead ends: 219 [2024-11-22 22:30:55,782 INFO L226 Difference]: Without dead ends: 217 [2024-11-22 22:30:55,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:55,783 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 133 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:55,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 90 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:55,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-22 22:30:55,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 186. [2024-11-22 22:30:55,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 132 states have (on average 1.5303030303030303) internal successors, (202), 163 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 22:30:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 242 transitions. [2024-11-22 22:30:55,795 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 242 transitions. Word has length 51 [2024-11-22 22:30:55,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:55,796 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 242 transitions. [2024-11-22 22:30:55,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (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) [2024-11-22 22:30:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2024-11-22 22:30:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 22:30:55,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:55,799 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:55,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 22:30:55,799 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:55,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:55,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1164005728, now seen corresponding path program 1 times [2024-11-22 22:30:55,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:55,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961996525] [2024-11-22 22:30:55,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:55,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:55,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:55,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961996525] [2024-11-22 22:30:55,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961996525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:55,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:55,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:55,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946218784] [2024-11-22 22:30:55,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:55,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:55,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:55,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:55,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:55,888 INFO L87 Difference]: Start difference. First operand 186 states and 242 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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) [2024-11-22 22:30:56,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:56,016 INFO L93 Difference]: Finished difference Result 219 states and 267 transitions. [2024-11-22 22:30:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:30:56,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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 52 [2024-11-22 22:30:56,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:56,019 INFO L225 Difference]: With dead ends: 219 [2024-11-22 22:30:56,019 INFO L226 Difference]: Without dead ends: 217 [2024-11-22 22:30:56,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:56,020 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 130 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:56,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 92 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:56,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-22 22:30:56,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 188. [2024-11-22 22:30:56,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 134 states have (on average 1.507462686567164) internal successors, (202), 165 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 22:30:56,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 242 transitions. [2024-11-22 22:30:56,034 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 242 transitions. Word has length 52 [2024-11-22 22:30:56,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:56,035 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 242 transitions. [2024-11-22 22:30:56,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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) [2024-11-22 22:30:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 242 transitions. [2024-11-22 22:30:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 22:30:56,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:56,036 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:56,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 22:30:56,036 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:56,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:56,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1918011170, now seen corresponding path program 1 times [2024-11-22 22:30:56,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:56,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714948722] [2024-11-22 22:30:56,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:56,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:56,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:56,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714948722] [2024-11-22 22:30:56,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714948722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:56,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:56,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:56,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973337014] [2024-11-22 22:30:56,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:56,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:56,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:56,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:56,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:56,152 INFO L87 Difference]: Start difference. First operand 188 states and 242 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:30:56,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:56,209 INFO L93 Difference]: Finished difference Result 188 states and 242 transitions. [2024-11-22 22:30:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:56,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2024-11-22 22:30:56,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:56,210 INFO L225 Difference]: With dead ends: 188 [2024-11-22 22:30:56,210 INFO L226 Difference]: Without dead ends: 187 [2024-11-22 22:30:56,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:56,211 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 31 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:56,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 72 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:56,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-22 22:30:56,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-22 22:30:56,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 134 states have (on average 1.4776119402985075) internal successors, (198), 164 states have internal predecessors, (198), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 22:30:56,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 238 transitions. [2024-11-22 22:30:56,220 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 238 transitions. Word has length 54 [2024-11-22 22:30:56,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:56,220 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 238 transitions. [2024-11-22 22:30:56,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:30:56,221 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 238 transitions. [2024-11-22 22:30:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 22:30:56,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:56,223 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:56,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 22:30:56,223 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:56,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:56,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1918011128, now seen corresponding path program 1 times [2024-11-22 22:30:56,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:56,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184166854] [2024-11-22 22:30:56,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:56,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:56,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:56,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184166854] [2024-11-22 22:30:56,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184166854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:56,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:56,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:30:56,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567010793] [2024-11-22 22:30:56,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:56,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:30:56,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:56,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:30:56,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:30:56,265 INFO L87 Difference]: Start difference. First operand 187 states and 238 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-11-22 22:30:56,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:56,302 INFO L93 Difference]: Finished difference Result 192 states and 238 transitions. [2024-11-22 22:30:56,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:30:56,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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 54 [2024-11-22 22:30:56,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:56,304 INFO L225 Difference]: With dead ends: 192 [2024-11-22 22:30:56,304 INFO L226 Difference]: Without dead ends: 191 [2024-11-22 22:30:56,304 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 [2024-11-22 22:30:56,304 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 14 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:56,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 146 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:56,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-22 22:30:56,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 187. [2024-11-22 22:30:56,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 134 states have (on average 1.4701492537313432) internal successors, (197), 164 states have internal predecessors, (197), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-22 22:30:56,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 237 transitions. [2024-11-22 22:30:56,312 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 237 transitions. Word has length 54 [2024-11-22 22:30:56,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:56,313 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 237 transitions. [2024-11-22 22:30:56,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-11-22 22:30:56,313 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 237 transitions. [2024-11-22 22:30:56,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 22:30:56,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:56,313 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:56,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 22:30:56,314 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:56,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:56,314 INFO L85 PathProgramCache]: Analyzing trace with hash -671195760, now seen corresponding path program 1 times [2024-11-22 22:30:56,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:56,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945889013] [2024-11-22 22:30:56,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:56,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:56,374 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:56,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:56,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945889013] [2024-11-22 22:30:56,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945889013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:56,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:56,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:30:56,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891890420] [2024-11-22 22:30:56,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:56,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:30:56,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:56,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:30:56,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:30:56,375 INFO L87 Difference]: Start difference. First operand 187 states and 237 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-22 22:30:56,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:56,702 INFO L93 Difference]: Finished difference Result 259 states and 327 transitions. [2024-11-22 22:30:56,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:30:56,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-11-22 22:30:56,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:56,705 INFO L225 Difference]: With dead ends: 259 [2024-11-22 22:30:56,705 INFO L226 Difference]: Without dead ends: 258 [2024-11-22 22:30:56,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:30:56,706 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 317 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:56,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 278 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:30:56,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-22 22:30:56,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 222. [2024-11-22 22:30:56,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 164 states have (on average 1.4695121951219512) internal successors, (241), 194 states have internal predecessors, (241), 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) [2024-11-22 22:30:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 291 transitions. [2024-11-22 22:30:56,719 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 291 transitions. Word has length 55 [2024-11-22 22:30:56,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:56,720 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 291 transitions. [2024-11-22 22:30:56,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-22 22:30:56,720 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 291 transitions. [2024-11-22 22:30:56,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 22:30:56,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:56,721 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:56,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 22:30:56,721 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:56,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:56,722 INFO L85 PathProgramCache]: Analyzing trace with hash -671197042, now seen corresponding path program 1 times [2024-11-22 22:30:56,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:56,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928189640] [2024-11-22 22:30:56,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:56,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:56,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:56,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928189640] [2024-11-22 22:30:56,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928189640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:56,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:56,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:30:56,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233928114] [2024-11-22 22:30:56,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:56,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:30:56,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:56,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:30:56,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:30:56,786 INFO L87 Difference]: Start difference. First operand 222 states and 291 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:30:56,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:56,882 INFO L93 Difference]: Finished difference Result 368 states and 495 transitions. [2024-11-22 22:30:56,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:30:56,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2024-11-22 22:30:56,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:56,884 INFO L225 Difference]: With dead ends: 368 [2024-11-22 22:30:56,885 INFO L226 Difference]: Without dead ends: 367 [2024-11-22 22:30:56,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:30:56,886 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 192 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:56,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 217 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:56,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-22 22:30:56,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 334. [2024-11-22 22:30:56,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 261 states have (on average 1.5134099616858236) internal successors, (395), 291 states have internal predecessors, (395), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-22 22:30:56,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 475 transitions. [2024-11-22 22:30:56,903 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 475 transitions. Word has length 55 [2024-11-22 22:30:56,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:56,903 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 475 transitions. [2024-11-22 22:30:56,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-22 22:30:56,903 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 475 transitions. [2024-11-22 22:30:56,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-22 22:30:56,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:56,904 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:56,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:30:56,904 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:56,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:56,904 INFO L85 PathProgramCache]: Analyzing trace with hash 667728314, now seen corresponding path program 1 times [2024-11-22 22:30:56,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:56,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859640246] [2024-11-22 22:30:56,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:56,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:56,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:56,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859640246] [2024-11-22 22:30:56,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859640246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:56,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:56,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:30:56,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071640038] [2024-11-22 22:30:56,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:56,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:30:56,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:56,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:30:56,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:56,961 INFO L87 Difference]: Start difference. First operand 334 states and 475 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-22 22:30:57,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:57,067 INFO L93 Difference]: Finished difference Result 361 states and 496 transitions. [2024-11-22 22:30:57,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:30:57,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 56 [2024-11-22 22:30:57,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:57,069 INFO L225 Difference]: With dead ends: 361 [2024-11-22 22:30:57,069 INFO L226 Difference]: Without dead ends: 359 [2024-11-22 22:30:57,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:30:57,070 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 54 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:57,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 165 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:57,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-22 22:30:57,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 338. [2024-11-22 22:30:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 265 states have (on average 1.5056603773584907) internal successors, (399), 295 states have internal predecessors, (399), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-22 22:30:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 479 transitions. [2024-11-22 22:30:57,084 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 479 transitions. Word has length 56 [2024-11-22 22:30:57,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:57,085 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 479 transitions. [2024-11-22 22:30:57,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-22 22:30:57,085 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 479 transitions. [2024-11-22 22:30:57,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-22 22:30:57,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:57,086 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:57,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 22:30:57,086 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:57,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:57,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1689996578, now seen corresponding path program 1 times [2024-11-22 22:30:57,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:57,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491098775] [2024-11-22 22:30:57,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:57,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:57,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:57,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491098775] [2024-11-22 22:30:57,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491098775] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:57,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666038259] [2024-11-22 22:30:57,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:57,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:57,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:57,170 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) [2024-11-22 22:30:57,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:30:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:57,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:30:57,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:57,310 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:30:57,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:57,426 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:57,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666038259] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:57,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:30:57,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 17 [2024-11-22 22:30:57,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215433878] [2024-11-22 22:30:57,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:57,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:30:57,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:57,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:30:57,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:30:57,428 INFO L87 Difference]: Start difference. First operand 338 states and 479 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 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) [2024-11-22 22:30:57,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:57,529 INFO L93 Difference]: Finished difference Result 373 states and 504 transitions. [2024-11-22 22:30:57,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:30:57,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-11-22 22:30:57,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:57,531 INFO L225 Difference]: With dead ends: 373 [2024-11-22 22:30:57,531 INFO L226 Difference]: Without dead ends: 371 [2024-11-22 22:30:57,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:30:57,532 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 110 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:57,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 394 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:30:57,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-22 22:30:57,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 346. [2024-11-22 22:30:57,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 271 states have (on average 1.4649446494464944) internal successors, (397), 301 states have internal predecessors, (397), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-22 22:30:57,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 477 transitions. [2024-11-22 22:30:57,546 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 477 transitions. Word has length 60 [2024-11-22 22:30:57,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:57,546 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 477 transitions. [2024-11-22 22:30:57,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 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) [2024-11-22 22:30:57,546 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 477 transitions. [2024-11-22 22:30:57,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 22:30:57,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:57,547 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:57,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 22:30:57,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:57,747 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:57,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:57,748 INFO L85 PathProgramCache]: Analyzing trace with hash -589071846, now seen corresponding path program 1 times [2024-11-22 22:30:57,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:57,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967216572] [2024-11-22 22:30:57,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:57,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:57,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:57,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967216572] [2024-11-22 22:30:57,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967216572] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:57,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226243542] [2024-11-22 22:30:57,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:57,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:57,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:57,807 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) [2024-11-22 22:30:57,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:30:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:57,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:30:57,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:57,894 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-22 22:30:57,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:30:57,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226243542] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:30:57,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:30:57,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-22 22:30:57,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632137858] [2024-11-22 22:30:57,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:57,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:30:57,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:57,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:30:57,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:30:57,986 INFO L87 Difference]: Start difference. First operand 346 states and 477 transitions. Second operand has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-22 22:30:58,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:58,157 INFO L93 Difference]: Finished difference Result 637 states and 826 transitions. [2024-11-22 22:30:58,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-22 22:30:58,158 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 62 [2024-11-22 22:30:58,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:58,160 INFO L225 Difference]: With dead ends: 637 [2024-11-22 22:30:58,160 INFO L226 Difference]: Without dead ends: 478 [2024-11-22 22:30:58,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:30:58,161 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 107 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:58,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 751 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:30:58,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-22 22:30:58,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 433. [2024-11-22 22:30:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 344 states have (on average 1.433139534883721) internal successors, (493), 376 states have internal predecessors, (493), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-22 22:30:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 593 transitions. [2024-11-22 22:30:58,199 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 593 transitions. Word has length 62 [2024-11-22 22:30:58,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:58,199 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 593 transitions. [2024-11-22 22:30:58,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-22 22:30:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 593 transitions. [2024-11-22 22:30:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-22 22:30:58,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:58,200 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:58,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:30:58,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:58,401 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:58,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:58,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1439624477, now seen corresponding path program 1 times [2024-11-22 22:30:58,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:58,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994404181] [2024-11-22 22:30:58,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:58,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:58,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1584474179] [2024-11-22 22:30:58,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:58,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:58,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:58,414 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) [2024-11-22 22:30:58,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:30:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:58,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:30:58,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:58,710 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:30:58,711 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:30:58,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:58,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994404181] [2024-11-22 22:30:58,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:58,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584474179] [2024-11-22 22:30:58,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584474179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:30:58,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:30:58,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:30:58,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658346778] [2024-11-22 22:30:58,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:30:58,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:30:58,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:58,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:30:58,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:30:58,712 INFO L87 Difference]: Start difference. First operand 433 states and 593 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:59,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:30:59,013 INFO L93 Difference]: Finished difference Result 626 states and 867 transitions. [2024-11-22 22:30:59,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:30:59,013 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2024-11-22 22:30:59,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:30:59,016 INFO L225 Difference]: With dead ends: 626 [2024-11-22 22:30:59,016 INFO L226 Difference]: Without dead ends: 617 [2024-11-22 22:30:59,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:30:59,016 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 300 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:30:59,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 176 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:30:59,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-22 22:30:59,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 588. [2024-11-22 22:30:59,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 479 states have (on average 1.407098121085595) internal successors, (674), 511 states have internal predecessors, (674), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-22 22:30:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 814 transitions. [2024-11-22 22:30:59,042 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 814 transitions. Word has length 69 [2024-11-22 22:30:59,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:30:59,043 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 814 transitions. [2024-11-22 22:30:59,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:30:59,043 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 814 transitions. [2024-11-22 22:30:59,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 22:30:59,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:30:59,043 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:30:59,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:30:59,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:59,244 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:30:59,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:30:59,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1678685765, now seen corresponding path program 1 times [2024-11-22 22:30:59,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:30:59,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217342475] [2024-11-22 22:30:59,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:59,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:30:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:30:59,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1433723381] [2024-11-22 22:30:59,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:30:59,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:30:59,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:30:59,256 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) [2024-11-22 22:30:59,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:30:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:30:59,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:30:59,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:30:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:30:59,582 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:30:59,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:30:59,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217342475] [2024-11-22 22:30:59,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:30:59,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433723381] [2024-11-22 22:30:59,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433723381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:30:59,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:30:59,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:30:59,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402710057] [2024-11-22 22:30:59,870 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:30:59,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:30:59,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:30:59,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:30:59,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:30:59,871 INFO L87 Difference]: Start difference. First operand 588 states and 814 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:31:00,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:00,069 INFO L93 Difference]: Finished difference Result 657 states and 894 transitions. [2024-11-22 22:31:00,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:31:00,069 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2024-11-22 22:31:00,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:00,071 INFO L225 Difference]: With dead ends: 657 [2024-11-22 22:31:00,071 INFO L226 Difference]: Without dead ends: 654 [2024-11-22 22:31:00,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:31:00,072 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 152 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:00,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 195 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:31:00,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-11-22 22:31:00,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 619. [2024-11-22 22:31:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 506 states have (on average 1.4051383399209487) internal successors, (711), 537 states have internal predecessors, (711), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-22 22:31:00,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 859 transitions. [2024-11-22 22:31:00,098 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 859 transitions. Word has length 70 [2024-11-22 22:31:00,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:00,098 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 859 transitions. [2024-11-22 22:31:00,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:31:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 859 transitions. [2024-11-22 22:31:00,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 22:31:00,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:00,099 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:00,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-22 22:31:00,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-22 22:31:00,300 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:00,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:00,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1783774041, now seen corresponding path program 1 times [2024-11-22 22:31:00,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:00,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582262284] [2024-11-22 22:31:00,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:00,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:31:00,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079825688] [2024-11-22 22:31:00,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:00,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:00,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:00,314 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) [2024-11-22 22:31:00,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:31:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:00,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:31:00,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:00,478 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:31:00,478 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:31:00,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:00,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582262284] [2024-11-22 22:31:00,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:00,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079825688] [2024-11-22 22:31:00,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079825688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:31:00,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:31:00,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:31:00,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817470294] [2024-11-22 22:31:00,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:31:00,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:31:00,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:00,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:31:00,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:31:00,480 INFO L87 Difference]: Start difference. First operand 619 states and 859 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:31:00,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:00,710 INFO L93 Difference]: Finished difference Result 658 states and 927 transitions. [2024-11-22 22:31:00,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:31:00,710 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-11-22 22:31:00,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:00,714 INFO L225 Difference]: With dead ends: 658 [2024-11-22 22:31:00,714 INFO L226 Difference]: Without dead ends: 654 [2024-11-22 22:31:00,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:31:00,715 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 157 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:00,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 218 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:31:00,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-11-22 22:31:00,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 615. [2024-11-22 22:31:00,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 506 states have (on average 1.3794466403162056) internal successors, (698), 533 states have internal predecessors, (698), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-22 22:31:00,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 846 transitions. [2024-11-22 22:31:00,741 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 846 transitions. Word has length 71 [2024-11-22 22:31:00,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:00,741 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 846 transitions. [2024-11-22 22:31:00,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:31:00,741 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 846 transitions. [2024-11-22 22:31:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 22:31:00,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:00,742 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:00,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 22:31:00,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-22 22:31:00,946 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:00,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:00,946 INFO L85 PathProgramCache]: Analyzing trace with hash -499651099, now seen corresponding path program 1 times [2024-11-22 22:31:00,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:00,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544383295] [2024-11-22 22:31:00,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:00,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:31:00,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:00,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544383295] [2024-11-22 22:31:00,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544383295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:31:00,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:31:00,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:31:00,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471638356] [2024-11-22 22:31:00,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:31:00,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:31:00,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:00,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:31:00,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:31:00,991 INFO L87 Difference]: Start difference. First operand 615 states and 846 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:31:01,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:01,309 INFO L93 Difference]: Finished difference Result 886 states and 1244 transitions. [2024-11-22 22:31:01,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:31:01,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-11-22 22:31:01,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:01,312 INFO L225 Difference]: With dead ends: 886 [2024-11-22 22:31:01,313 INFO L226 Difference]: Without dead ends: 883 [2024-11-22 22:31:01,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:31:01,314 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 142 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:01,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 237 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:01,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-22 22:31:01,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 634. [2024-11-22 22:31:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 522 states have (on average 1.3639846743295019) internal successors, (712), 548 states have internal predecessors, (712), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-22 22:31:01,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 868 transitions. [2024-11-22 22:31:01,345 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 868 transitions. Word has length 71 [2024-11-22 22:31:01,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:01,345 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 868 transitions. [2024-11-22 22:31:01,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:31:01,345 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 868 transitions. [2024-11-22 22:31:01,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 22:31:01,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:01,346 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:01,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 22:31:01,346 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:01,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:01,347 INFO L85 PathProgramCache]: Analyzing trace with hash -537579487, now seen corresponding path program 1 times [2024-11-22 22:31:01,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:01,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933874303] [2024-11-22 22:31:01,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:01,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:31:01,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1201123716] [2024-11-22 22:31:01,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:01,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:01,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:01,359 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) [2024-11-22 22:31:01,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:31:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:01,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:31:01,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:01,535 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:31:01,535 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:01,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:01,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933874303] [2024-11-22 22:31:01,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:01,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201123716] [2024-11-22 22:31:01,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201123716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:01,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:01,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:31:01,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532294948] [2024-11-22 22:31:01,648 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:01,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:31:01,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:01,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:31:01,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:31:01,649 INFO L87 Difference]: Start difference. First operand 634 states and 868 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:31:01,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:01,902 INFO L93 Difference]: Finished difference Result 1002 states and 1431 transitions. [2024-11-22 22:31:01,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:31:01,902 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2024-11-22 22:31:01,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:01,906 INFO L225 Difference]: With dead ends: 1002 [2024-11-22 22:31:01,906 INFO L226 Difference]: Without dead ends: 998 [2024-11-22 22:31:01,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:31:01,907 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 154 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:01,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 346 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:31:01,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2024-11-22 22:31:01,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 791. [2024-11-22 22:31:01,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 659 states have (on average 1.370257966616085) internal successors, (903), 684 states have internal predecessors, (903), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-22 22:31:01,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1099 transitions. [2024-11-22 22:31:01,947 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1099 transitions. Word has length 72 [2024-11-22 22:31:01,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:01,947 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1099 transitions. [2024-11-22 22:31:01,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:31:01,948 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1099 transitions. [2024-11-22 22:31:01,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 22:31:01,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:01,948 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:01,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:02,149 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,SelfDestructingSolverStorable24 [2024-11-22 22:31:02,150 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:02,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:02,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1690685181, now seen corresponding path program 1 times [2024-11-22 22:31:02,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:02,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387715066] [2024-11-22 22:31:02,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:02,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:31:02,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [5986857] [2024-11-22 22:31:02,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:02,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:02,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:02,166 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) [2024-11-22 22:31:02,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:31:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:02,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:31:02,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-22 22:31:02,393 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:06,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:06,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387715066] [2024-11-22 22:31:06,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:06,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5986857] [2024-11-22 22:31:06,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5986857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:06,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:06,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:31:06,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357612267] [2024-11-22 22:31:06,525 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:06,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:31:06,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:06,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:31:06,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=82, Unknown=1, NotChecked=0, Total=110 [2024-11-22 22:31:06,525 INFO L87 Difference]: Start difference. First operand 791 states and 1099 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:31:06,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:06,845 INFO L93 Difference]: Finished difference Result 822 states and 1122 transitions. [2024-11-22 22:31:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:31:06,845 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2024-11-22 22:31:06,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:06,847 INFO L225 Difference]: With dead ends: 822 [2024-11-22 22:31:06,847 INFO L226 Difference]: Without dead ends: 815 [2024-11-22 22:31:06,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=52, Invalid=157, Unknown=1, NotChecked=0, Total=210 [2024-11-22 22:31:06,849 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 264 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:06,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 274 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:31:06,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-22 22:31:06,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 789. [2024-11-22 22:31:06,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 657 states have (on average 1.3637747336377473) internal successors, (896), 682 states have internal predecessors, (896), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-22 22:31:06,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1092 transitions. [2024-11-22 22:31:06,887 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1092 transitions. Word has length 72 [2024-11-22 22:31:06,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:06,887 INFO L471 AbstractCegarLoop]: Abstraction has 789 states and 1092 transitions. [2024-11-22 22:31:06,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:31:06,888 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1092 transitions. [2024-11-22 22:31:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 22:31:06,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:06,890 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:06,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:07,090 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,SelfDestructingSolverStorable25 [2024-11-22 22:31:07,091 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:07,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:07,091 INFO L85 PathProgramCache]: Analyzing trace with hash -2143283546, now seen corresponding path program 1 times [2024-11-22 22:31:07,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:07,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294690336] [2024-11-22 22:31:07,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:07,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:31:07,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:07,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294690336] [2024-11-22 22:31:07,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294690336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:07,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878007259] [2024-11-22 22:31:07,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:07,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:07,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:07,140 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) [2024-11-22 22:31:07,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:31:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:07,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:31:07,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:07,236 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:31:07,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:07,352 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:31:07,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878007259] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:07,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:07,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-22 22:31:07,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429520675] [2024-11-22 22:31:07,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:07,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:31:07,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:07,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:31:07,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:31:07,353 INFO L87 Difference]: Start difference. First operand 789 states and 1092 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-22 22:31:07,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:07,862 INFO L93 Difference]: Finished difference Result 1321 states and 1885 transitions. [2024-11-22 22:31:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:31:07,863 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 92 [2024-11-22 22:31:07,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:07,868 INFO L225 Difference]: With dead ends: 1321 [2024-11-22 22:31:07,868 INFO L226 Difference]: Without dead ends: 1319 [2024-11-22 22:31:07,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:31:07,870 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 318 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:07,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 390 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:31:07,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2024-11-22 22:31:07,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1034. [2024-11-22 22:31:07,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 861 states have (on average 1.3704994192799071) internal successors, (1180), 885 states have internal predecessors, (1180), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-22 22:31:07,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1460 transitions. [2024-11-22 22:31:07,920 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1460 transitions. Word has length 92 [2024-11-22 22:31:07,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:07,920 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1460 transitions. [2024-11-22 22:31:07,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-22 22:31:07,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1460 transitions. [2024-11-22 22:31:07,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-22 22:31:07,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:07,921 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:07,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:08,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:08,122 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:08,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:08,123 INFO L85 PathProgramCache]: Analyzing trace with hash -2017280381, now seen corresponding path program 1 times [2024-11-22 22:31:08,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:08,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490082288] [2024-11-22 22:31:08,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:08,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:31:08,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:08,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490082288] [2024-11-22 22:31:08,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490082288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:08,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827745371] [2024-11-22 22:31:08,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:08,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:08,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:08,206 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) [2024-11-22 22:31:08,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:31:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:08,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:31:08,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:08,307 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:31:08,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:08,422 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:31:08,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827745371] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:08,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:08,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-22 22:31:08,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036447680] [2024-11-22 22:31:08,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:08,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:31:08,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:08,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:31:08,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:31:08,424 INFO L87 Difference]: Start difference. First operand 1034 states and 1460 transitions. Second operand has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-22 22:31:08,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:08,987 INFO L93 Difference]: Finished difference Result 1351 states and 1892 transitions. [2024-11-22 22:31:08,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:31:08,987 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 93 [2024-11-22 22:31:08,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:08,991 INFO L225 Difference]: With dead ends: 1351 [2024-11-22 22:31:08,991 INFO L226 Difference]: Without dead ends: 1349 [2024-11-22 22:31:08,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:31:08,992 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 850 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:08,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 497 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:31:08,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2024-11-22 22:31:09,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1038. [2024-11-22 22:31:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 866 states have (on average 1.3325635103926097) internal successors, (1154), 889 states have internal predecessors, (1154), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-22 22:31:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1434 transitions. [2024-11-22 22:31:09,060 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1434 transitions. Word has length 93 [2024-11-22 22:31:09,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:09,060 INFO L471 AbstractCegarLoop]: Abstraction has 1038 states and 1434 transitions. [2024-11-22 22:31:09,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-22 22:31:09,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1434 transitions. [2024-11-22 22:31:09,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-22 22:31:09,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:09,061 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:09,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-22 22:31:09,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-22 22:31:09,262 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:09,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:09,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1576192165, now seen corresponding path program 1 times [2024-11-22 22:31:09,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:09,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940790357] [2024-11-22 22:31:09,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:09,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:09,303 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:31:09,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:09,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940790357] [2024-11-22 22:31:09,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940790357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:31:09,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:31:09,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:31:09,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959547699] [2024-11-22 22:31:09,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:31:09,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:31:09,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:09,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:31:09,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:31:09,305 INFO L87 Difference]: Start difference. First operand 1038 states and 1434 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-22 22:31:09,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:09,377 INFO L93 Difference]: Finished difference Result 1038 states and 1434 transitions. [2024-11-22 22:31:09,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:31:09,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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 95 [2024-11-22 22:31:09,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:09,381 INFO L225 Difference]: With dead ends: 1038 [2024-11-22 22:31:09,381 INFO L226 Difference]: Without dead ends: 1037 [2024-11-22 22:31:09,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:31:09,382 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 20 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:09,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 152 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:31:09,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-11-22 22:31:09,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2024-11-22 22:31:09,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 866 states have (on average 1.3221709006928406) internal successors, (1145), 888 states have internal predecessors, (1145), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-22 22:31:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1425 transitions. [2024-11-22 22:31:09,431 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1425 transitions. Word has length 95 [2024-11-22 22:31:09,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:09,431 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1425 transitions. [2024-11-22 22:31:09,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-22 22:31:09,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1425 transitions. [2024-11-22 22:31:09,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-22 22:31:09,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:09,433 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:09,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-22 22:31:09,433 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:09,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:09,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1402789213, now seen corresponding path program 1 times [2024-11-22 22:31:09,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:09,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881044660] [2024-11-22 22:31:09,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:09,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:31:09,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:09,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881044660] [2024-11-22 22:31:09,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881044660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:09,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931658486] [2024-11-22 22:31:09,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:09,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:09,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:09,496 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) [2024-11-22 22:31:09,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:31:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:09,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:31:09,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:09,667 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:31:09,668 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:31:09,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931658486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:31:09,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:09,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-22 22:31:09,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93168139] [2024-11-22 22:31:09,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:31:09,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:31:09,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:09,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:31:09,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:31:09,669 INFO L87 Difference]: Start difference. First operand 1037 states and 1425 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 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) [2024-11-22 22:31:09,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:09,804 INFO L93 Difference]: Finished difference Result 1055 states and 1456 transitions. [2024-11-22 22:31:09,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:31:09,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 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 97 [2024-11-22 22:31:09,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:09,807 INFO L225 Difference]: With dead ends: 1055 [2024-11-22 22:31:09,807 INFO L226 Difference]: Without dead ends: 1054 [2024-11-22 22:31:09,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:31:09,808 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 66 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:09,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 154 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:31:09,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2024-11-22 22:31:09,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1036. [2024-11-22 22:31:09,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 866 states have (on average 1.3140877598152425) internal successors, (1138), 887 states have internal predecessors, (1138), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-22 22:31:09,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1418 transitions. [2024-11-22 22:31:09,854 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1418 transitions. Word has length 97 [2024-11-22 22:31:09,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:09,854 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1418 transitions. [2024-11-22 22:31:09,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 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) [2024-11-22 22:31:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1418 transitions. [2024-11-22 22:31:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-22 22:31:09,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:09,855 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:09,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-22 22:31:10,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:10,056 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:10,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:10,057 INFO L85 PathProgramCache]: Analyzing trace with hash 536792781, now seen corresponding path program 1 times [2024-11-22 22:31:10,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:10,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074948880] [2024-11-22 22:31:10,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:10,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:31:10,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:10,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074948880] [2024-11-22 22:31:10,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074948880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:10,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451449013] [2024-11-22 22:31:10,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:10,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:10,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:10,118 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) [2024-11-22 22:31:10,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:31:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:10,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:31:10,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:10,270 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:31:10,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-22 22:31:10,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451449013] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:10,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:10,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-22 22:31:10,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58629483] [2024-11-22 22:31:10,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:10,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:31:10,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:10,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:31:10,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:31:10,386 INFO L87 Difference]: Start difference. First operand 1036 states and 1418 transitions. Second operand has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 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) [2024-11-22 22:31:10,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:10,781 INFO L93 Difference]: Finished difference Result 1431 states and 1978 transitions. [2024-11-22 22:31:10,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:31:10,781 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 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 98 [2024-11-22 22:31:10,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:10,786 INFO L225 Difference]: With dead ends: 1431 [2024-11-22 22:31:10,786 INFO L226 Difference]: Without dead ends: 1429 [2024-11-22 22:31:10,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:31:10,788 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 348 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:10,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 369 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:10,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2024-11-22 22:31:10,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1186. [2024-11-22 22:31:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 998 states have (on average 1.312625250501002) internal successors, (1310), 1019 states have internal predecessors, (1310), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-22 22:31:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1626 transitions. [2024-11-22 22:31:10,849 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1626 transitions. Word has length 98 [2024-11-22 22:31:10,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:10,851 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1626 transitions. [2024-11-22 22:31:10,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 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) [2024-11-22 22:31:10,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1626 transitions. [2024-11-22 22:31:10,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-22 22:31:10,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:10,852 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:10,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:11,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:11,053 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:11,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:11,053 INFO L85 PathProgramCache]: Analyzing trace with hash 783009764, now seen corresponding path program 1 times [2024-11-22 22:31:11,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:11,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867645856] [2024-11-22 22:31:11,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:11,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:31:11,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:11,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867645856] [2024-11-22 22:31:11,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867645856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:11,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137832260] [2024-11-22 22:31:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:11,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:11,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:11,141 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:11,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-22 22:31:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:11,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:31:11,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:11,281 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:31:11,281 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:31:11,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137832260] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:11,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:11,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-22 22:31:11,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541778963] [2024-11-22 22:31:11,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:11,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:31:11,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:11,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:31:11,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:31:11,431 INFO L87 Difference]: Start difference. First operand 1186 states and 1626 transitions. Second operand has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-22 22:31:11,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:11,777 INFO L93 Difference]: Finished difference Result 1231 states and 1674 transitions. [2024-11-22 22:31:11,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:31:11,778 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 108 [2024-11-22 22:31:11,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:11,781 INFO L225 Difference]: With dead ends: 1231 [2024-11-22 22:31:11,781 INFO L226 Difference]: Without dead ends: 1230 [2024-11-22 22:31:11,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 210 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:31:11,782 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 390 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:11,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 355 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:31:11,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2024-11-22 22:31:11,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1115. [2024-11-22 22:31:11,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 938 states have (on average 1.3091684434968016) internal successors, (1228), 958 states have internal predecessors, (1228), 148 states have call successors, (148), 8 states have call predecessors, (148), 8 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-22 22:31:11,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1524 transitions. [2024-11-22 22:31:11,843 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1524 transitions. Word has length 108 [2024-11-22 22:31:11,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:11,843 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1524 transitions. [2024-11-22 22:31:11,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-22 22:31:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1524 transitions. [2024-11-22 22:31:11,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 22:31:11,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:11,844 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:11,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-22 22:31:12,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:12,048 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:12,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:12,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1719371668, now seen corresponding path program 1 times [2024-11-22 22:31:12,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:12,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535710549] [2024-11-22 22:31:12,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:12,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:12,139 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:31:12,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:12,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535710549] [2024-11-22 22:31:12,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535710549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:12,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938365904] [2024-11-22 22:31:12,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:12,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:12,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:12,142 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:12,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-22 22:31:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:12,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:31:12,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:12,322 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-22 22:31:12,322 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:31:12,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938365904] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:12,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:12,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2024-11-22 22:31:12,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856942032] [2024-11-22 22:31:12,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:12,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-22 22:31:12,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:12,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-22 22:31:12,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:31:12,453 INFO L87 Difference]: Start difference. First operand 1115 states and 1524 transitions. Second operand has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-22 22:31:12,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:12,926 INFO L93 Difference]: Finished difference Result 1844 states and 2437 transitions. [2024-11-22 22:31:12,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-22 22:31:12,927 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 110 [2024-11-22 22:31:12,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:12,932 INFO L225 Difference]: With dead ends: 1844 [2024-11-22 22:31:12,932 INFO L226 Difference]: Without dead ends: 1582 [2024-11-22 22:31:12,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2024-11-22 22:31:12,934 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 371 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:12,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 732 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:31:12,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2024-11-22 22:31:12,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1385. [2024-11-22 22:31:12,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 1169 states have (on average 1.2891360136869119) internal successors, (1507), 1189 states have internal predecessors, (1507), 181 states have call successors, (181), 14 states have call predecessors, (181), 14 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-22 22:31:12,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1869 transitions. [2024-11-22 22:31:12,998 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1869 transitions. Word has length 110 [2024-11-22 22:31:12,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:12,998 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 1869 transitions. [2024-11-22 22:31:12,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-22 22:31:12,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1869 transitions. [2024-11-22 22:31:12,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 22:31:12,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:12,999 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:13,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-22 22:31:13,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:13,204 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:13,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:13,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1395208224, now seen corresponding path program 1 times [2024-11-22 22:31:13,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:13,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827253809] [2024-11-22 22:31:13,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:13,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:31:13,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933445428] [2024-11-22 22:31:13,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:13,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:13,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:13,217 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:13,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-22 22:31:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:13,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:31:13,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:13,605 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:31:13,605 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:13,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:13,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827253809] [2024-11-22 22:31:13,721 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:13,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933445428] [2024-11-22 22:31:13,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933445428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:13,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:13,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:31:13,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272644273] [2024-11-22 22:31:13,721 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:13,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:31:13,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:13,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:31:13,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:31:13,722 INFO L87 Difference]: Start difference. First operand 1385 states and 1869 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:31:14,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:14,324 INFO L93 Difference]: Finished difference Result 2634 states and 3648 transitions. [2024-11-22 22:31:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:31:14,325 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 110 [2024-11-22 22:31:14,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:14,332 INFO L225 Difference]: With dead ends: 2634 [2024-11-22 22:31:14,332 INFO L226 Difference]: Without dead ends: 2631 [2024-11-22 22:31:14,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:31:14,333 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 273 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:14,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 343 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:31:14,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2024-11-22 22:31:14,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 1441. [2024-11-22 22:31:14,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1216 states have (on average 1.2886513157894737) internal successors, (1567), 1236 states have internal predecessors, (1567), 190 states have call successors, (190), 14 states have call predecessors, (190), 14 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-22 22:31:14,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 1947 transitions. [2024-11-22 22:31:14,424 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 1947 transitions. Word has length 110 [2024-11-22 22:31:14,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:14,425 INFO L471 AbstractCegarLoop]: Abstraction has 1441 states and 1947 transitions. [2024-11-22 22:31:14,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:31:14,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1947 transitions. [2024-11-22 22:31:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 22:31:14,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:14,426 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:14,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-22 22:31:14,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-22 22:31:14,627 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:14,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:14,627 INFO L85 PathProgramCache]: Analyzing trace with hash 301782046, now seen corresponding path program 1 times [2024-11-22 22:31:14,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:14,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461850635] [2024-11-22 22:31:14,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:14,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:31:14,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [381251161] [2024-11-22 22:31:14,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:14,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:14,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:14,643 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:14,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-22 22:31:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:14,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:31:14,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:31:15,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:15,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:15,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461850635] [2024-11-22 22:31:15,216 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:15,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381251161] [2024-11-22 22:31:15,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381251161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:15,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:15,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:31:15,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308599711] [2024-11-22 22:31:15,217 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:15,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:31:15,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:15,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:31:15,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:31:15,217 INFO L87 Difference]: Start difference. First operand 1441 states and 1947 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:31:15,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:15,588 INFO L93 Difference]: Finished difference Result 1587 states and 2134 transitions. [2024-11-22 22:31:15,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:31:15,590 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 111 [2024-11-22 22:31:15,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:15,595 INFO L225 Difference]: With dead ends: 1587 [2024-11-22 22:31:15,595 INFO L226 Difference]: Without dead ends: 1584 [2024-11-22 22:31:15,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:31:15,596 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 84 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:15,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 429 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:15,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2024-11-22 22:31:15,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1555. [2024-11-22 22:31:15,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1313 states have (on average 1.2871287128712872) internal successors, (1690), 1333 states have internal predecessors, (1690), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2024-11-22 22:31:15,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2104 transitions. [2024-11-22 22:31:15,690 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2104 transitions. Word has length 111 [2024-11-22 22:31:15,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:15,690 INFO L471 AbstractCegarLoop]: Abstraction has 1555 states and 2104 transitions. [2024-11-22 22:31:15,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:31:15,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2104 transitions. [2024-11-22 22:31:15,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-22 22:31:15,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:15,692 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:15,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:15,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-22 22:31:15,896 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:15,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:15,896 INFO L85 PathProgramCache]: Analyzing trace with hash 765308898, now seen corresponding path program 1 times [2024-11-22 22:31:15,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:15,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324654421] [2024-11-22 22:31:15,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:15,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:31:15,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:15,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324654421] [2024-11-22 22:31:15,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324654421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:31:15,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:31:15,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:31:15,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887615994] [2024-11-22 22:31:15,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:31:15,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:31:15,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:15,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:31:15,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:31:15,955 INFO L87 Difference]: Start difference. First operand 1555 states and 2104 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-11-22 22:31:16,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:16,267 INFO L93 Difference]: Finished difference Result 1562 states and 2107 transitions. [2024-11-22 22:31:16,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:31:16,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 112 [2024-11-22 22:31:16,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:16,272 INFO L225 Difference]: With dead ends: 1562 [2024-11-22 22:31:16,272 INFO L226 Difference]: Without dead ends: 1560 [2024-11-22 22:31:16,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:31:16,273 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 105 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:16,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 226 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:31:16,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2024-11-22 22:31:16,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1521. [2024-11-22 22:31:16,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1285 states have (on average 1.2785992217898832) internal successors, (1643), 1303 states have internal predecessors, (1643), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-22 22:31:16,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2049 transitions. [2024-11-22 22:31:16,356 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2049 transitions. Word has length 112 [2024-11-22 22:31:16,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:16,356 INFO L471 AbstractCegarLoop]: Abstraction has 1521 states and 2049 transitions. [2024-11-22 22:31:16,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-11-22 22:31:16,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2049 transitions. [2024-11-22 22:31:16,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-22 22:31:16,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:16,357 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:16,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-22 22:31:16,357 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:16,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:16,357 INFO L85 PathProgramCache]: Analyzing trace with hash 21474756, now seen corresponding path program 2 times [2024-11-22 22:31:16,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:16,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824567383] [2024-11-22 22:31:16,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:16,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:16,369 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:16,369 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:16,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1408755818] [2024-11-22 22:31:16,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:16,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:16,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:16,376 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:16,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-22 22:31:16,420 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:16,421 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:16,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:31:16,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-22 22:31:16,657 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:16,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:16,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824567383] [2024-11-22 22:31:16,789 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:16,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408755818] [2024-11-22 22:31:16,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408755818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:16,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:16,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-22 22:31:16,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651603562] [2024-11-22 22:31:16,789 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:16,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:31:16,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:16,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:31:16,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:31:16,790 INFO L87 Difference]: Start difference. First operand 1521 states and 2049 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:31:17,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:17,233 INFO L93 Difference]: Finished difference Result 1829 states and 2505 transitions. [2024-11-22 22:31:17,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:31:17,234 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 113 [2024-11-22 22:31:17,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:17,240 INFO L225 Difference]: With dead ends: 1829 [2024-11-22 22:31:17,240 INFO L226 Difference]: Without dead ends: 1825 [2024-11-22 22:31:17,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:31:17,241 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 221 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:17,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 423 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:17,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2024-11-22 22:31:17,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1521. [2024-11-22 22:31:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1285 states have (on average 1.2622568093385214) internal successors, (1622), 1303 states have internal predecessors, (1622), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-22 22:31:17,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2028 transitions. [2024-11-22 22:31:17,322 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2028 transitions. Word has length 113 [2024-11-22 22:31:17,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:17,322 INFO L471 AbstractCegarLoop]: Abstraction has 1521 states and 2028 transitions. [2024-11-22 22:31:17,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-22 22:31:17,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2028 transitions. [2024-11-22 22:31:17,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-22 22:31:17,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:17,323 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:17,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:17,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-22 22:31:17,526 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:17,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:17,527 INFO L85 PathProgramCache]: Analyzing trace with hash -2045227872, now seen corresponding path program 1 times [2024-11-22 22:31:17,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:17,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552892965] [2024-11-22 22:31:17,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:17,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:31:17,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1900637232] [2024-11-22 22:31:17,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:17,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:17,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:17,539 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:17,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-22 22:31:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:17,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:31:17,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 22:31:17,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:22,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:22,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552892965] [2024-11-22 22:31:22,119 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:22,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900637232] [2024-11-22 22:31:22,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900637232] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:22,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:22,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:31:22,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600770841] [2024-11-22 22:31:22,119 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:22,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:31:22,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:22,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:31:22,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=164, Unknown=1, NotChecked=0, Total=210 [2024-11-22 22:31:22,120 INFO L87 Difference]: Start difference. First operand 1521 states and 2028 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 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) [2024-11-22 22:31:22,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:22,551 INFO L93 Difference]: Finished difference Result 1547 states and 2045 transitions. [2024-11-22 22:31:22,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:31:22,552 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 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 113 [2024-11-22 22:31:22,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:22,556 INFO L225 Difference]: With dead ends: 1547 [2024-11-22 22:31:22,556 INFO L226 Difference]: Without dead ends: 1540 [2024-11-22 22:31:22,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=90, Invalid=329, Unknown=1, NotChecked=0, Total=420 [2024-11-22 22:31:22,557 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 210 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:22,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 357 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:22,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2024-11-22 22:31:22,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1387. [2024-11-22 22:31:22,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 1171 states have (on average 1.2604611443210931) internal successors, (1476), 1190 states have internal predecessors, (1476), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-22 22:31:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1842 transitions. [2024-11-22 22:31:22,642 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1842 transitions. Word has length 113 [2024-11-22 22:31:22,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:22,643 INFO L471 AbstractCegarLoop]: Abstraction has 1387 states and 1842 transitions. [2024-11-22 22:31:22,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 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) [2024-11-22 22:31:22,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1842 transitions. [2024-11-22 22:31:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-22 22:31:22,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:22,643 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:31:22,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:22,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:22,844 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:22,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:22,844 INFO L85 PathProgramCache]: Analyzing trace with hash -547394329, now seen corresponding path program 2 times [2024-11-22 22:31:22,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:22,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875169343] [2024-11-22 22:31:22,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:22,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:22,854 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:22,854 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-22 22:31:22,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:22,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875169343] [2024-11-22 22:31:22,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875169343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:31:22,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:31:22,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:31:22,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98530947] [2024-11-22 22:31:22,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:31:22,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:31:22,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:22,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:31:22,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:31:22,898 INFO L87 Difference]: Start difference. First operand 1387 states and 1842 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:31:23,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:23,286 INFO L93 Difference]: Finished difference Result 2418 states and 3261 transitions. [2024-11-22 22:31:23,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:31:23,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 123 [2024-11-22 22:31:23,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:23,294 INFO L225 Difference]: With dead ends: 2418 [2024-11-22 22:31:23,294 INFO L226 Difference]: Without dead ends: 1424 [2024-11-22 22:31:23,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:31:23,300 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 52 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:23,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 178 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:23,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2024-11-22 22:31:23,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1357. [2024-11-22 22:31:23,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1145 states have (on average 1.2724890829694324) internal successors, (1457), 1163 states have internal predecessors, (1457), 181 states have call successors, (181), 12 states have call predecessors, (181), 12 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-22 22:31:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1819 transitions. [2024-11-22 22:31:23,392 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1819 transitions. Word has length 123 [2024-11-22 22:31:23,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:23,392 INFO L471 AbstractCegarLoop]: Abstraction has 1357 states and 1819 transitions. [2024-11-22 22:31:23,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:31:23,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1819 transitions. [2024-11-22 22:31:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-22 22:31:23,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:23,393 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:23,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-22 22:31:23,394 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:23,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:23,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1547842201, now seen corresponding path program 1 times [2024-11-22 22:31:23,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:23,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484035872] [2024-11-22 22:31:23,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:23,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:23,514 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-22 22:31:23,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:23,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484035872] [2024-11-22 22:31:23,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484035872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:23,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824308567] [2024-11-22 22:31:23,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:23,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:23,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:23,517 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:23,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-22 22:31:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:23,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:31:23,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 213 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-22 22:31:23,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-22 22:31:23,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824308567] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:23,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:23,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-22 22:31:23,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280412172] [2024-11-22 22:31:23,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:23,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 22:31:23,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:23,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 22:31:23,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:31:23,811 INFO L87 Difference]: Start difference. First operand 1357 states and 1819 transitions. Second operand has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-11-22 22:31:24,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:24,209 INFO L93 Difference]: Finished difference Result 1987 states and 2609 transitions. [2024-11-22 22:31:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-22 22:31:24,210 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 125 [2024-11-22 22:31:24,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:24,213 INFO L225 Difference]: With dead ends: 1987 [2024-11-22 22:31:24,213 INFO L226 Difference]: Without dead ends: 1507 [2024-11-22 22:31:24,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=467, Invalid=1513, Unknown=0, NotChecked=0, Total=1980 [2024-11-22 22:31:24,214 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 273 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:24,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 809 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:31:24,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2024-11-22 22:31:24,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1458. [2024-11-22 22:31:24,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1229 states have (on average 1.2530512611879576) internal successors, (1540), 1249 states have internal predecessors, (1540), 190 states have call successors, (190), 20 states have call predecessors, (190), 20 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-22 22:31:24,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1920 transitions. [2024-11-22 22:31:24,298 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1920 transitions. Word has length 125 [2024-11-22 22:31:24,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:24,298 INFO L471 AbstractCegarLoop]: Abstraction has 1458 states and 1920 transitions. [2024-11-22 22:31:24,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-11-22 22:31:24,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1920 transitions. [2024-11-22 22:31:24,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 22:31:24,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:24,300 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-22 22:31:24,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:24,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-22 22:31:24,501 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:24,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:24,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1532189571, now seen corresponding path program 2 times [2024-11-22 22:31:24,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:24,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053974135] [2024-11-22 22:31:24,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:24,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:24,513 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:24,513 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:24,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [630762920] [2024-11-22 22:31:24,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:24,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:24,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:24,516 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:24,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-22 22:31:24,564 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:24,564 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:24,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:31:24,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:24,931 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-22 22:31:24,931 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:31:24,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:24,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053974135] [2024-11-22 22:31:24,931 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:24,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630762920] [2024-11-22 22:31:24,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630762920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:31:24,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:31:24,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 22:31:24,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677580177] [2024-11-22 22:31:24,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:31:24,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:31:24,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:24,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:31:24,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:31:24,932 INFO L87 Difference]: Start difference. First operand 1458 states and 1920 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-22 22:31:25,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:25,416 INFO L93 Difference]: Finished difference Result 1991 states and 2670 transitions. [2024-11-22 22:31:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:31:25,416 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 151 [2024-11-22 22:31:25,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:25,421 INFO L225 Difference]: With dead ends: 1991 [2024-11-22 22:31:25,421 INFO L226 Difference]: Without dead ends: 1988 [2024-11-22 22:31:25,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:31:25,422 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 150 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:25,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 626 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:25,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2024-11-22 22:31:25,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1047. [2024-11-22 22:31:25,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 877 states have (on average 1.2075256556442417) internal successors, (1059), 894 states have internal predecessors, (1059), 134 states have call successors, (134), 20 states have call predecessors, (134), 20 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-22 22:31:25,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1327 transitions. [2024-11-22 22:31:25,507 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1327 transitions. Word has length 151 [2024-11-22 22:31:25,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:25,507 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1327 transitions. [2024-11-22 22:31:25,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-22 22:31:25,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1327 transitions. [2024-11-22 22:31:25,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-22 22:31:25,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:25,508 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-22 22:31:25,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:25,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-22 22:31:25,709 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:25,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:25,709 INFO L85 PathProgramCache]: Analyzing trace with hash 253236507, now seen corresponding path program 2 times [2024-11-22 22:31:25,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:25,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517002975] [2024-11-22 22:31:25,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:25,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:25,720 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:25,720 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:25,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1763329162] [2024-11-22 22:31:25,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:25,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:25,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:25,723 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:25,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-22 22:31:25,776 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:25,776 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:25,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:31:25,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-22 22:31:26,155 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:26,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:26,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517002975] [2024-11-22 22:31:26,314 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:26,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763329162] [2024-11-22 22:31:26,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763329162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:26,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:26,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:31:26,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139368304] [2024-11-22 22:31:26,314 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:26,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:31:26,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:26,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:31:26,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:31:26,315 INFO L87 Difference]: Start difference. First operand 1047 states and 1327 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-22 22:31:26,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:26,539 INFO L93 Difference]: Finished difference Result 1174 states and 1492 transitions. [2024-11-22 22:31:26,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:31:26,539 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 152 [2024-11-22 22:31:26,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:26,542 INFO L225 Difference]: With dead ends: 1174 [2024-11-22 22:31:26,542 INFO L226 Difference]: Without dead ends: 1171 [2024-11-22 22:31:26,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:31:26,543 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 202 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:26,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 260 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:31:26,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2024-11-22 22:31:26,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1148. [2024-11-22 22:31:26,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 962 states have (on average 1.212058212058212) internal successors, (1166), 979 states have internal predecessors, (1166), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-22 22:31:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1466 transitions. [2024-11-22 22:31:26,625 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1466 transitions. Word has length 152 [2024-11-22 22:31:26,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:26,625 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1466 transitions. [2024-11-22 22:31:26,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-22 22:31:26,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1466 transitions. [2024-11-22 22:31:26,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-22 22:31:26,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:26,626 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:26,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:26,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-22 22:31:26,826 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:26,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:26,827 INFO L85 PathProgramCache]: Analyzing trace with hash 613852033, now seen corresponding path program 3 times [2024-11-22 22:31:26,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:26,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443960096] [2024-11-22 22:31:26,827 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:26,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:26,848 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-11-22 22:31:26,848 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:26,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638416839] [2024-11-22 22:31:26,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:26,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:26,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:26,851 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:26,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-22 22:31:26,887 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-22 22:31:26,887 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:26,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:31:26,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 45 proven. 26 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-22 22:31:27,204 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:27,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:27,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443960096] [2024-11-22 22:31:27,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:27,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638416839] [2024-11-22 22:31:27,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638416839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:27,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:27,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:31:27,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450060293] [2024-11-22 22:31:27,385 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:27,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:31:27,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:27,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:31:27,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:31:27,387 INFO L87 Difference]: Start difference. First operand 1148 states and 1466 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:31:27,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:27,885 INFO L93 Difference]: Finished difference Result 1368 states and 1756 transitions. [2024-11-22 22:31:27,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:31:27,885 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 154 [2024-11-22 22:31:27,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:27,888 INFO L225 Difference]: With dead ends: 1368 [2024-11-22 22:31:27,888 INFO L226 Difference]: Without dead ends: 1364 [2024-11-22 22:31:27,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:31:27,888 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 305 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:27,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 423 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:27,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2024-11-22 22:31:27,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1138. [2024-11-22 22:31:27,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 952 states have (on average 1.194327731092437) internal successors, (1137), 969 states have internal predecessors, (1137), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-22 22:31:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1437 transitions. [2024-11-22 22:31:27,968 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1437 transitions. Word has length 154 [2024-11-22 22:31:27,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:27,969 INFO L471 AbstractCegarLoop]: Abstraction has 1138 states and 1437 transitions. [2024-11-22 22:31:27,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 22:31:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1437 transitions. [2024-11-22 22:31:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-22 22:31:27,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:27,969 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-22 22:31:27,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:28,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:28,173 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:28,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:28,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1452850595, now seen corresponding path program 2 times [2024-11-22 22:31:28,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:28,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171185959] [2024-11-22 22:31:28,174 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:28,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:28,191 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:28,191 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:28,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737814605] [2024-11-22 22:31:28,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:28,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:28,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:28,194 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:28,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-22 22:31:28,240 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:28,241 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:28,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:31:28,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:28,599 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-22 22:31:28,599 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:29,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:29,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171185959] [2024-11-22 22:31:29,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:29,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737814605] [2024-11-22 22:31:29,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737814605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:29,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:29,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:31:29,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380542482] [2024-11-22 22:31:29,264 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:29,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:31:29,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:29,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:31:29,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:31:29,265 INFO L87 Difference]: Start difference. First operand 1138 states and 1437 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:31:29,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:29,656 INFO L93 Difference]: Finished difference Result 1162 states and 1452 transitions. [2024-11-22 22:31:29,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:31:29,656 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 154 [2024-11-22 22:31:29,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:29,658 INFO L225 Difference]: With dead ends: 1162 [2024-11-22 22:31:29,658 INFO L226 Difference]: Without dead ends: 1155 [2024-11-22 22:31:29,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:31:29,659 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 86 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:29,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 359 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:29,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-11-22 22:31:29,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1062. [2024-11-22 22:31:29,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 888 states have (on average 1.177927927927928) internal successors, (1046), 905 states have internal predecessors, (1046), 138 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-22 22:31:29,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1322 transitions. [2024-11-22 22:31:29,734 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1322 transitions. Word has length 154 [2024-11-22 22:31:29,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:29,734 INFO L471 AbstractCegarLoop]: Abstraction has 1062 states and 1322 transitions. [2024-11-22 22:31:29,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:31:29,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1322 transitions. [2024-11-22 22:31:29,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-22 22:31:29,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:29,735 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2024-11-22 22:31:29,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:29,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:29,936 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:29,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:29,936 INFO L85 PathProgramCache]: Analyzing trace with hash -2062017948, now seen corresponding path program 3 times [2024-11-22 22:31:29,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:29,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618673200] [2024-11-22 22:31:29,936 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:29,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:29,970 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-22 22:31:29,971 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:29,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393826180] [2024-11-22 22:31:29,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:29,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:29,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:29,973 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:29,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-22 22:31:30,023 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-22 22:31:30,023 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:30,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-22 22:31:30,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:30,595 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 100 proven. 76 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-22 22:31:30,595 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:31,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:31,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618673200] [2024-11-22 22:31:31,052 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:31,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393826180] [2024-11-22 22:31:31,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393826180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:31,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:31,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-11-22 22:31:31,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131852952] [2024-11-22 22:31:31,052 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:31,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 22:31:31,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:31,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 22:31:31,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:31:31,053 INFO L87 Difference]: Start difference. First operand 1062 states and 1322 transitions. Second operand has 17 states, 16 states have (on average 5.25) internal successors, (84), 17 states have internal predecessors, (84), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:31:33,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-22 22:31:37,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-22 22:31:37,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:37,971 INFO L93 Difference]: Finished difference Result 1705 states and 2184 transitions. [2024-11-22 22:31:37,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-22 22:31:37,971 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.25) internal successors, (84), 17 states have internal predecessors, (84), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 164 [2024-11-22 22:31:37,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:37,974 INFO L225 Difference]: With dead ends: 1705 [2024-11-22 22:31:37,974 INFO L226 Difference]: Without dead ends: 1694 [2024-11-22 22:31:37,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=254, Invalid=936, Unknown=0, NotChecked=0, Total=1190 [2024-11-22 22:31:37,975 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 368 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 50 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:37,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 592 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2024-11-22 22:31:37,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2024-11-22 22:31:38,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1519. [2024-11-22 22:31:38,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1279 states have (on average 1.1892103205629398) internal successors, (1521), 1296 states have internal predecessors, (1521), 204 states have call successors, (204), 20 states have call predecessors, (204), 20 states have return successors, (204), 202 states have call predecessors, (204), 204 states have call successors, (204) [2024-11-22 22:31:38,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1929 transitions. [2024-11-22 22:31:38,101 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1929 transitions. Word has length 164 [2024-11-22 22:31:38,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:38,102 INFO L471 AbstractCegarLoop]: Abstraction has 1519 states and 1929 transitions. [2024-11-22 22:31:38,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.25) internal successors, (84), 17 states have internal predecessors, (84), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:31:38,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1929 transitions. [2024-11-22 22:31:38,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-22 22:31:38,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:38,102 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:38,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:38,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:38,303 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:38,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:38,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1619322522, now seen corresponding path program 3 times [2024-11-22 22:31:38,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:38,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61967164] [2024-11-22 22:31:38,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:38,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:38,336 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-22 22:31:38,337 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:38,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1136388961] [2024-11-22 22:31:38,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:31:38,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:38,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:38,339 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:38,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-22 22:31:38,393 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-22 22:31:38,393 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:38,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-22 22:31:38,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:38,609 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 66 proven. 79 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-22 22:31:38,610 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:38,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:38,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61967164] [2024-11-22 22:31:38,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:38,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136388961] [2024-11-22 22:31:38,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136388961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:38,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:38,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-22 22:31:38,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717638437] [2024-11-22 22:31:38,773 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:38,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:31:38,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:38,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:31:38,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:31:38,774 INFO L87 Difference]: Start difference. First operand 1519 states and 1929 transitions. Second operand has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:31:39,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:39,464 INFO L93 Difference]: Finished difference Result 1552 states and 1970 transitions. [2024-11-22 22:31:39,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:31:39,464 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 166 [2024-11-22 22:31:39,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:39,467 INFO L225 Difference]: With dead ends: 1552 [2024-11-22 22:31:39,467 INFO L226 Difference]: Without dead ends: 1502 [2024-11-22 22:31:39,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-11-22 22:31:39,469 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 241 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:39,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 185 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:31:39,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2024-11-22 22:31:39,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1476. [2024-11-22 22:31:39,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1244 states have (on average 1.1631832797427653) internal successors, (1447), 1257 states have internal predecessors, (1447), 198 states have call successors, (198), 20 states have call predecessors, (198), 20 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-22 22:31:39,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 1843 transitions. [2024-11-22 22:31:39,601 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 1843 transitions. Word has length 166 [2024-11-22 22:31:39,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:39,601 INFO L471 AbstractCegarLoop]: Abstraction has 1476 states and 1843 transitions. [2024-11-22 22:31:39,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:31:39,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1843 transitions. [2024-11-22 22:31:39,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-22 22:31:39,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:39,602 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:39,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:39,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-22 22:31:39,808 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:39,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:39,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1939624599, now seen corresponding path program 2 times [2024-11-22 22:31:39,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:39,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673917911] [2024-11-22 22:31:39,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:39,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:39,823 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:39,823 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-22 22:31:39,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:39,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673917911] [2024-11-22 22:31:39,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673917911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:39,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393632174] [2024-11-22 22:31:39,966 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:39,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:39,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:39,968 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:39,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-22 22:31:40,026 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:40,026 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:40,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:31:40,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:40,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-22 22:31:40,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-22 22:31:40,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393632174] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:40,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:40,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-22 22:31:40,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22632824] [2024-11-22 22:31:40,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:40,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:31:40,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:40,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:31:40,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:31:40,340 INFO L87 Difference]: Start difference. First operand 1476 states and 1843 transitions. Second operand has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-22 22:31:40,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:40,993 INFO L93 Difference]: Finished difference Result 2769 states and 3569 transitions. [2024-11-22 22:31:40,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:31:40,994 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 215 [2024-11-22 22:31:40,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:40,998 INFO L225 Difference]: With dead ends: 2769 [2024-11-22 22:31:40,999 INFO L226 Difference]: Without dead ends: 2768 [2024-11-22 22:31:40,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:31:41,000 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 684 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:41,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 621 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:31:41,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2024-11-22 22:31:41,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2067. [2024-11-22 22:31:41,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1733 states have (on average 1.2065781881130986) internal successors, (2091), 1746 states have internal predecessors, (2091), 300 states have call successors, (300), 20 states have call predecessors, (300), 20 states have return successors, (300), 300 states have call predecessors, (300), 300 states have call successors, (300) [2024-11-22 22:31:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2691 transitions. [2024-11-22 22:31:41,199 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2691 transitions. Word has length 215 [2024-11-22 22:31:41,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:41,199 INFO L471 AbstractCegarLoop]: Abstraction has 2067 states and 2691 transitions. [2024-11-22 22:31:41,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-22 22:31:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2691 transitions. [2024-11-22 22:31:41,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-22 22:31:41,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:41,201 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-22 22:31:41,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:41,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-22 22:31:41,402 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:41,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:41,402 INFO L85 PathProgramCache]: Analyzing trace with hash 439955303, now seen corresponding path program 1 times [2024-11-22 22:31:41,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:41,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958332917] [2024-11-22 22:31:41,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:41,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:41,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-22 22:31:41,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:41,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958332917] [2024-11-22 22:31:41,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958332917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:41,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106153624] [2024-11-22 22:31:41,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:41,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:41,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:41,567 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:41,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-22 22:31:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:41,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:31:41,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:41,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-22 22:31:41,915 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:42,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-22 22:31:42,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106153624] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:42,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:42,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-22 22:31:42,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561468498] [2024-11-22 22:31:42,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:42,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-22 22:31:42,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:42,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-22 22:31:42,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:31:42,126 INFO L87 Difference]: Start difference. First operand 2067 states and 2691 transitions. Second operand has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-22 22:31:43,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:43,375 INFO L93 Difference]: Finished difference Result 4728 states and 6291 transitions. [2024-11-22 22:31:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-22 22:31:43,376 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) Word has length 233 [2024-11-22 22:31:43,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:43,384 INFO L225 Difference]: With dead ends: 4728 [2024-11-22 22:31:43,384 INFO L226 Difference]: Without dead ends: 4727 [2024-11-22 22:31:43,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=564, Invalid=918, Unknown=0, NotChecked=0, Total=1482 [2024-11-22 22:31:43,385 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 1523 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:43,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 715 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:31:43,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4727 states. [2024-11-22 22:31:43,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4727 to 2715. [2024-11-22 22:31:43,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2289 states have (on average 1.1965923984272608) internal successors, (2739), 2302 states have internal predecessors, (2739), 392 states have call successors, (392), 20 states have call predecessors, (392), 20 states have return successors, (392), 392 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-22 22:31:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3523 transitions. [2024-11-22 22:31:43,707 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3523 transitions. Word has length 233 [2024-11-22 22:31:43,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:43,707 INFO L471 AbstractCegarLoop]: Abstraction has 2715 states and 3523 transitions. [2024-11-22 22:31:43,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-22 22:31:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3523 transitions. [2024-11-22 22:31:43,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-22 22:31:43,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:43,709 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:31:43,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:43,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:43,909 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:43,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:43,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1498423858, now seen corresponding path program 1 times [2024-11-22 22:31:43,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:43,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117514419] [2024-11-22 22:31:43,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:43,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-22 22:31:44,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:44,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117514419] [2024-11-22 22:31:44,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117514419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:44,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822125296] [2024-11-22 22:31:44,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:44,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:44,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:44,169 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:44,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-22 22:31:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:44,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:31:44,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 1032 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-22 22:31:44,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:44,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-22 22:31:44,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822125296] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:44,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:44,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 18] total 34 [2024-11-22 22:31:44,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798732760] [2024-11-22 22:31:44,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:44,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-22 22:31:44,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:44,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-22 22:31:44,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=877, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 22:31:44,746 INFO L87 Difference]: Start difference. First operand 2715 states and 3523 transitions. Second operand has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2024-11-22 22:31:45,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:45,581 INFO L93 Difference]: Finished difference Result 3862 states and 4952 transitions. [2024-11-22 22:31:45,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-22 22:31:45,582 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) Word has length 239 [2024-11-22 22:31:45,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:45,586 INFO L225 Difference]: With dead ends: 3862 [2024-11-22 22:31:45,586 INFO L226 Difference]: Without dead ends: 2985 [2024-11-22 22:31:45,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1190 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1141, Invalid=3829, Unknown=0, NotChecked=0, Total=4970 [2024-11-22 22:31:45,589 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 372 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:45,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 855 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:31:45,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2024-11-22 22:31:45,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 2880. [2024-11-22 22:31:45,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2880 states, 2418 states have (on average 1.1757650951199339) internal successors, (2843), 2439 states have internal predecessors, (2843), 408 states have call successors, (408), 40 states have call predecessors, (408), 40 states have return successors, (408), 400 states have call predecessors, (408), 408 states have call successors, (408) [2024-11-22 22:31:45,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 3659 transitions. [2024-11-22 22:31:45,969 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 3659 transitions. Word has length 239 [2024-11-22 22:31:45,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:45,969 INFO L471 AbstractCegarLoop]: Abstraction has 2880 states and 3659 transitions. [2024-11-22 22:31:45,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2024-11-22 22:31:45,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 3659 transitions. [2024-11-22 22:31:45,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-22 22:31:45,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:45,970 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-22 22:31:45,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:46,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-22 22:31:46,171 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:46,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:46,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1388953002, now seen corresponding path program 1 times [2024-11-22 22:31:46,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:46,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379865077] [2024-11-22 22:31:46,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:46,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 154 proven. 48 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-11-22 22:31:46,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:46,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379865077] [2024-11-22 22:31:46,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379865077] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:46,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049664055] [2024-11-22 22:31:46,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:31:46,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:46,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:46,269 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:46,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-22 22:31:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:31:46,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:31:46,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:46,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 658 proven. 48 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2024-11-22 22:31:46,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:46,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 154 proven. 48 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-11-22 22:31:46,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049664055] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:46,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:46,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-11-22 22:31:46,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729563369] [2024-11-22 22:31:46,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:46,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:31:46,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:46,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:31:46,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:31:46,591 INFO L87 Difference]: Start difference. First operand 2880 states and 3659 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-22 22:31:47,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:47,279 INFO L93 Difference]: Finished difference Result 4674 states and 6031 transitions. [2024-11-22 22:31:47,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:31:47,280 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 248 [2024-11-22 22:31:47,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:47,285 INFO L225 Difference]: With dead ends: 4674 [2024-11-22 22:31:47,285 INFO L226 Difference]: Without dead ends: 3138 [2024-11-22 22:31:47,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 492 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:31:47,287 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 129 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:47,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 399 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:47,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3138 states. [2024-11-22 22:31:47,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3138 to 2971. [2024-11-22 22:31:47,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2971 states, 2501 states have (on average 1.1811275489804078) internal successors, (2954), 2521 states have internal predecessors, (2954), 420 states have call successors, (420), 36 states have call predecessors, (420), 36 states have return successors, (420), 413 states have call predecessors, (420), 420 states have call successors, (420) [2024-11-22 22:31:47,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 3794 transitions. [2024-11-22 22:31:47,619 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 3794 transitions. Word has length 248 [2024-11-22 22:31:47,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:47,619 INFO L471 AbstractCegarLoop]: Abstraction has 2971 states and 3794 transitions. [2024-11-22 22:31:47,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-22 22:31:47,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3794 transitions. [2024-11-22 22:31:47,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-11-22 22:31:47,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:47,621 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-22 22:31:47,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:47,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-22 22:31:47,821 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:47,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:47,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1271798093, now seen corresponding path program 2 times [2024-11-22 22:31:47,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:47,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114197319] [2024-11-22 22:31:47,822 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:47,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:47,839 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:47,839 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:48,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 85 proven. 294 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-22 22:31:48,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:48,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114197319] [2024-11-22 22:31:48,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114197319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:48,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908312788] [2024-11-22 22:31:48,045 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:48,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:48,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:48,047 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:48,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-22 22:31:48,129 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:48,129 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:48,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:31:48,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 617 proven. 187 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2024-11-22 22:31:48,309 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:48,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 177 proven. 187 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2024-11-22 22:31:48,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908312788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:48,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:48,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14 [2024-11-22 22:31:48,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701973420] [2024-11-22 22:31:48,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:48,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:31:48,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:48,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:31:48,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:31:48,514 INFO L87 Difference]: Start difference. First operand 2971 states and 3794 transitions. Second operand has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-11-22 22:31:50,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:50,297 INFO L93 Difference]: Finished difference Result 5267 states and 6821 transitions. [2024-11-22 22:31:50,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-22 22:31:50,298 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) Word has length 289 [2024-11-22 22:31:50,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:50,304 INFO L225 Difference]: With dead ends: 5267 [2024-11-22 22:31:50,304 INFO L226 Difference]: Without dead ends: 3701 [2024-11-22 22:31:50,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 573 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2024-11-22 22:31:50,307 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 462 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 1767 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 1828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:50,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 1255 Invalid, 1828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1767 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-22 22:31:50,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3701 states. [2024-11-22 22:31:50,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3701 to 3279. [2024-11-22 22:31:50,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3279 states, 2755 states have (on average 1.1793103448275861) internal successors, (3249), 2775 states have internal predecessors, (3249), 474 states have call successors, (474), 36 states have call predecessors, (474), 36 states have return successors, (474), 467 states have call predecessors, (474), 474 states have call successors, (474) [2024-11-22 22:31:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 4197 transitions. [2024-11-22 22:31:50,722 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 4197 transitions. Word has length 289 [2024-11-22 22:31:50,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:50,723 INFO L471 AbstractCegarLoop]: Abstraction has 3279 states and 4197 transitions. [2024-11-22 22:31:50,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-11-22 22:31:50,723 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 4197 transitions. [2024-11-22 22:31:50,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-22 22:31:50,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:50,724 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-22 22:31:50,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-22 22:31:50,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:50,925 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:50,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:50,925 INFO L85 PathProgramCache]: Analyzing trace with hash 2139078960, now seen corresponding path program 4 times [2024-11-22 22:31:50,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:50,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288546867] [2024-11-22 22:31:50,925 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:31:50,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:50,961 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:31:50,962 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:31:50,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1341647820] [2024-11-22 22:31:50,963 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:31:50,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:50,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:50,966 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:50,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-22 22:31:51,039 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:31:51,040 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:51,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:31:51,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:51,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1857 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-22 22:31:51,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:51,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:51,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288546867] [2024-11-22 22:31:51,686 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:31:51,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341647820] [2024-11-22 22:31:51,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341647820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:51,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:31:51,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-22 22:31:51,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622995202] [2024-11-22 22:31:51,686 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:51,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:31:51,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:51,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:31:51,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:31:51,687 INFO L87 Difference]: Start difference. First operand 3279 states and 4197 transitions. Second operand has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 14 states have internal predecessors, (162), 11 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-22 22:31:52,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:31:52,467 INFO L93 Difference]: Finished difference Result 3324 states and 4244 transitions. [2024-11-22 22:31:52,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:31:52,468 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 14 states have internal predecessors, (162), 11 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 299 [2024-11-22 22:31:52,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:31:52,473 INFO L225 Difference]: With dead ends: 3324 [2024-11-22 22:31:52,473 INFO L226 Difference]: Without dead ends: 3196 [2024-11-22 22:31:52,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:31:52,475 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 101 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:31:52,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 500 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:31:52,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3196 states. [2024-11-22 22:31:52,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3196 to 3189. [2024-11-22 22:31:52,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3189 states, 2680 states have (on average 1.183955223880597) internal successors, (3173), 2699 states have internal predecessors, (3173), 463 states have call successors, (463), 32 states have call predecessors, (463), 32 states have return successors, (463), 457 states have call predecessors, (463), 463 states have call successors, (463) [2024-11-22 22:31:52,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 3189 states and 4099 transitions. [2024-11-22 22:31:52,848 INFO L78 Accepts]: Start accepts. Automaton has 3189 states and 4099 transitions. Word has length 299 [2024-11-22 22:31:52,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:31:52,849 INFO L471 AbstractCegarLoop]: Abstraction has 3189 states and 4099 transitions. [2024-11-22 22:31:52,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 14 states have internal predecessors, (162), 11 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-22 22:31:52,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 4099 transitions. [2024-11-22 22:31:52,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-22 22:31:52,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:31:52,850 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-11-22 22:31:52,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-22 22:31:53,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:53,051 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:31:53,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:31:53,051 INFO L85 PathProgramCache]: Analyzing trace with hash 345241416, now seen corresponding path program 2 times [2024-11-22 22:31:53,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:31:53,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109044961] [2024-11-22 22:31:53,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:53,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:31:53,067 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:53,068 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 0 proven. 514 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-22 22:31:53,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:31:53,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109044961] [2024-11-22 22:31:53,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109044961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:31:53,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61705116] [2024-11-22 22:31:53,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:31:53,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:31:53,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:31:53,318 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:31:53,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-22 22:31:53,392 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:31:53,393 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:31:53,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:31:53,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:31:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 13 proven. 501 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-22 22:31:53,900 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:31:54,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 13 proven. 501 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-22 22:31:54,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61705116] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:31:54,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:31:54,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 35 [2024-11-22 22:31:54,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277110149] [2024-11-22 22:31:54,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:31:54,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-22 22:31:54,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:31:54,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-22 22:31:54,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1124, Unknown=0, NotChecked=0, Total=1260 [2024-11-22 22:31:54,350 INFO L87 Difference]: Start difference. First operand 3189 states and 4099 transitions. Second operand has 36 states, 35 states have (on average 14.657142857142857) internal successors, (513), 36 states have internal predecessors, (513), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) [2024-11-22 22:32:12,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:12,040 INFO L93 Difference]: Finished difference Result 10804 states and 14302 transitions. [2024-11-22 22:32:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 293 states. [2024-11-22 22:32:12,041 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 14.657142857142857) internal successors, (513), 36 states have internal predecessors, (513), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) Word has length 330 [2024-11-22 22:32:12,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:12,055 INFO L225 Difference]: With dead ends: 10804 [2024-11-22 22:32:12,056 INFO L226 Difference]: Without dead ends: 10802 [2024-11-22 22:32:12,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1041 GetRequests, 717 SyntacticMatches, 0 SemanticMatches, 324 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47155 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=17909, Invalid=88041, Unknown=0, NotChecked=0, Total=105950 [2024-11-22 22:32:12,065 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 9328 mSDsluCounter, 6047 mSDsCounter, 0 mSdLazyCounter, 11484 mSolverCounterSat, 1623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9334 SdHoareTripleChecker+Valid, 6336 SdHoareTripleChecker+Invalid, 13107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1623 IncrementalHoareTripleChecker+Valid, 11484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:12,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9334 Valid, 6336 Invalid, 13107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1623 Valid, 11484 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-11-22 22:32:12,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10802 states. [2024-11-22 22:32:12,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10802 to 5955. [2024-11-22 22:32:12,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5955 states, 5051 states have (on average 1.2187685606810532) internal successors, (6156), 5069 states have internal predecessors, (6156), 858 states have call successors, (858), 32 states have call predecessors, (858), 32 states have return successors, (858), 853 states have call predecessors, (858), 858 states have call successors, (858) [2024-11-22 22:32:12,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5955 states to 5955 states and 7872 transitions. [2024-11-22 22:32:12,992 INFO L78 Accepts]: Start accepts. Automaton has 5955 states and 7872 transitions. Word has length 330 [2024-11-22 22:32:12,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:12,992 INFO L471 AbstractCegarLoop]: Abstraction has 5955 states and 7872 transitions. [2024-11-22 22:32:12,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 14.657142857142857) internal successors, (513), 36 states have internal predecessors, (513), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) [2024-11-22 22:32:12,993 INFO L276 IsEmpty]: Start isEmpty. Operand 5955 states and 7872 transitions. [2024-11-22 22:32:12,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-22 22:32:12,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:12,994 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-11-22 22:32:13,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-22 22:32:13,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:13,195 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-22 22:32:13,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:13,195 INFO L85 PathProgramCache]: Analyzing trace with hash -157486838, now seen corresponding path program 3 times [2024-11-22 22:32:13,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:13,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199900143] [2024-11-22 22:32:13,195 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:32:13,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:13,240 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-22 22:32:13,240 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:32:13,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 100 proven. 426 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-22 22:32:13,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:13,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199900143] [2024-11-22 22:32:13,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199900143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:32:13,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463894511] [2024-11-22 22:32:13,532 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:32:13,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:13,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:13,534 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:32:13,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-22 22:32:13,582 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-22 22:32:13,582 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:32:13,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:32:13,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 370 proven. 62 refuted. 0 times theorem prover too weak. 1954 trivial. 0 not checked. [2024-11-22 22:32:14,201 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:32:15,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463894511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:32:15,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:32:15,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-22 22:32:15,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428795744] [2024-11-22 22:32:15,249 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:32:15,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-22 22:32:15,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:15,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-22 22:32:15,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=490, Unknown=2, NotChecked=0, Total=552 [2024-11-22 22:32:15,250 INFO L87 Difference]: Start difference. First operand 5955 states and 7872 transitions. Second operand has 21 states, 21 states have (on average 12.666666666666666) internal successors, (266), 21 states have internal predecessors, (266), 13 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44)